Wichita, KS Air Quality Today: AQI 40 (Good)

Safe for outdoor activities. Wichita has good air quality right now.

Thursday, March 26, 2026 | Wichita area | Main pollutant: O3

Good

Note: AQI values shown are estimates based on historical averages and seasonal patterns. For real-time air quality data, visit AirNow.gov.

Today's Recommendation

Perfect day for outdoor activities! The air quality is excellent in Wichita.

✓ Safe for exercise✓ Kids can play outside✓ Open windows

Today's Air Quality: Good

Air quality is considered satisfactory, and air pollution poses little or no risk.

General Public

• Air quality is excellent - enjoy outdoor activities
• Perfect conditions for exercise and sports
• No health precautions necessary

Sensitive Groups

Children, elderly, pregnant women, people with heart/lung conditions

• No special precautions needed
• Safe for all outdoor activities
• Ideal conditions for sensitive individuals

Health Advisory

None

Monitor symptoms

5-Day Air Quality Forecast

Wichita, KS

Today

Good

Fri, Mar 27

Good

Sat, Mar 28

Good

Sun, Mar 29

Good

Mon, Mar 30

Good

Air Quality Trends in Wichita

Understanding historical patterns helps you plan outdoor activities and protect your health

Best Time

Morning

Air quality is typically best between 6 AM - 10 AM

Watch Out

Afternoon

Ozone levels peak between 2 PM - 6 PM on sunny days

Season Impact

Summer

Highest pollution typically occurs in summer months

Seasonal Patterns

Summer (Jun-Aug):Higher ozone levels due to heat and sunlight. Expect AQI to be 15-25 points higher than average.

Fall (Sep-Nov):Moderate air quality. Wildfire smoke may impact western regions in early fall.

Winter (Dec-Feb):Lower ozone but possible PM2.5 spikes from wood burning and temperature inversions.

Spring (Mar-May):Generally best air quality. Pollen may affect those with allergies but doesn't impact AQI.

Planning Tips

• Check the 5-day forecast before planning outdoor events
• Schedule strenuous activities for morning hours when air is clearest
• Monitor AQI during wildfire season (typically July-October)
• Consider indoor alternatives when AQI exceeds 100

Current Conditions

Dominant Pollutant

Ground-level Ozone

Air Quality IndexAQI 40

Reporting AreaWichita

Understanding the Air Quality Index (AQI)

The Air Quality Index (AQI) is the EPA's standardized system for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern.

How the AQI Works

•Scale: The AQI ranges from 0 to 500. The higher the AQI value, the greater the level of air pollution and health concern.
•Six Categories: AQI values are divided into six categories, each corresponding to a different level of health concern with its own color code.
•Main Pollutants: The AQI focuses on five major air pollutants: ground-level ozone, particle pollution (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide.

AQI Categories & Health Impact

0-50

Good

Air quality is satisfactory, and air pollution poses little or no risk.

None

51-100

Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.

101-150

Unhealthy for Sensitive Groups

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.

151-200

Unhealthy

Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.

Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion.

201-300

Very Unhealthy

Health alert: The risk of health effects is increased for everyone.

Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.

301-500

Hazardous

Health warning of emergency conditions: everyone is more likely to be affected.

Everyone should avoid all outdoor exertion.

Frequently Asked Questions About Wichita Air Quality

Is the air quality in Wichita safe right now?

Yes, the air quality in Wichita is currently good with an AQI of 40. This level is considered safe for all residents, including children, the elderly, and people with respiratory conditions. You can enjoy outdoor activities without air quality-related health concerns. However, air quality can change due to weather, traffic, wildfires, and other factors, so it is advisable to check conditions regularly.

What causes poor air quality in Wichita?

Air quality in Wichita is influenced by a combination of local emissions, regional pollution transport, geography, and weather patterns. The primary pollution sources in the Great Plains region include agricultural operations including livestock and crop production; windblown dust from exposed soils during dry periods; oil and gas extraction activity; and vehicle emissions on major transportation corridors. Today, the dominant pollutant is ground-level ozone (O3). The precursor pollutants come from vehicle exhaust, power plants, industrial facilities, gasoline vapors, and chemical solvents. Even natural sources like vegetation release VOCs that contribute to ozone formation under the right conditions. Weather conditions like temperature inversions, stagnant high-pressure systems, and wind patterns can either help disperse pollutants or trap them near ground level, causing AQI to fluctuate significantly from day to day.

When is air quality worst in Wichita?

Air quality in Wichita tends to be worst during summer months when heat and sunlight drive ground-level ozone formation. Hot, stagnant days with little wind are particularly prone to elevated pollution. On a daily basis, pollution typically peaks between 2 PM and 6 PM when ozone concentrations are highest. Winter can also bring poor air quality episodes when temperature inversions trap PM2.5 from heating emissions and vehicle exhaust near the surface. Regional events like wildfires or unusual weather patterns can also cause unexpected air quality deterioration.

Should I use an air purifier in Wichita?

While current air quality is good, an air purifier can still provide benefits for Wichita residents. A HEPA air purifier effectively removes fine particulate matter (PM2.5), the pollutant most closely linked to serious health outcomes. Look for a model with a Clean Air Delivery Rate (CADR) that matches your room size, and consider units that include an activated carbon filter for additional protection against gases and odors. Place the purifier in your bedroom for cleaner sleeping air, and in your main living area during the day. Keep in mind that purifiers work best with windows and doors closed. For year-round protection, upgrading your home's HVAC filter to MERV 13 or higher can provide whole-house filtration that reduces indoor particulate levels significantly.

How does Wichita air quality compare to the Kansas average?

Wichita's current AQI of 40 should be compared to other cities across Kansas to understand its relative standing. Wichita is currently experiencing better-than-average air quality for Kansas, making it one of the cleaner locations in the state today. Factors like proximity to highways, industrial zones, and geographic features that affect air flow all contribute to how a specific city compares to the state average. You can compare Wichita to other Kansas cities using the comparison table on this page. Air quality rankings change daily, so a city that ranks well today may rank differently tomorrow.

What are the long-term health effects of air pollution in Wichita?

Long-term exposure to air pollution, even at levels considered "moderate" by AQI standards, has been linked to significant health consequences in medical research. Chronic exposure to PM2.5 is associated with increased risk of cardiovascular disease, lung cancer, stroke, and premature death. Ground-level ozone exposure over time can cause permanent reductions in lung function and accelerate lung aging. Children growing up in areas with higher pollution may experience impaired lung development that persists into adulthood. For Wichita residents, the most effective long-term protection strategies include using indoor air filtration consistently, choosing residences away from major highways when possible, supporting clean air policies, and staying informed about local air quality trends. The EPA and the American Lung Association publish annual reports that track long-term air quality improvements and remaining challenges in areas like the Wichita region.

How is the AQI measured in Wichita?

The Air Quality Index for Wichita is derived from pollutant concentration data collected by ground-level air quality monitoring stations operated as part of the EPA's national ambient air monitoring network. These stations continuously measure concentrations of criteria pollutants including PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide. The raw concentration data is converted to the AQI scale using EPA-established breakpoint tables, where an AQI of 100 corresponds to the national air quality standard for each pollutant. The overall AQI reported for Wichita reflects the highest individual pollutant AQI at any given time. The Wichita reporting area may include data from multiple monitoring stations to provide a representative reading for the metropolitan area. Data is typically updated hourly, though forecast models also project conditions for the coming days.

Air Quality Overview for Wichita, KS

Wichita, Kansas is currently recording an Air Quality Index (AQI) of 40, which the EPA classifies as good. This reading is in line with or slightly below the national average, indicating relatively clean air. The dominant pollutant driving today's AQI reading is ground-level ozone (O3), which is being monitored across the Wichita reporting area. Residents and visitors should understand what this number means for their daily activities and long-term health.

Located in the Great Plains region of the United States, Wichita experiences a humid continental climate that directly influences local air quality patterns throughout the year. Geographic and meteorological factors unique to this area play a significant role in how pollutants accumulate and disperse. The current reading suggests favorable atmospheric conditions for pollutant dispersion, though residents should remain aware that conditions can change rapidly due to weather shifts, seasonal emission changes, or events like wildfires.

Air quality in the Wichita metropolitan area is shaped by several key pollution sources common to the Great Plains region. These include agricultural operations including livestock and crop production, windblown dust from exposed soils during dry periods, oil and gas extraction activity, and vehicle emissions on major transportation corridors. Understanding these sources helps residents anticipate when air quality may deteriorate and take proactive steps to protect themselves. The EPA monitors air quality across the Wichita area using a network of ground-level sensors that measure concentrations of six criteria pollutants, with data updated regularly throughout the day.

Air quality in Wichita follows seasonal patterns characteristic of humid continental regions. Summer months tend to bring higher ozone concentrations as heat and ultraviolet sunlight catalyze reactions between nitrogen oxides and volatile organic compounds from vehicles and industry. Winter can see elevated PM2.5 levels when temperature inversions trap emissions from heating systems and vehicles close to the ground. Spring and fall generally offer the best air quality in Wichita, with moderate temperatures, better atmospheric mixing, and fewer emission-driving weather extremes.

Over the past several decades, air quality across the United States, including in the Wichita area, has improved substantially thanks to the Clean Air Act and its amendments. EPA data shows that aggregate emissions of the six criteria pollutants dropped by more than 70 percent between 1970 and 2025, even as the economy and population grew. However, challenges remain. Climate change is increasing the frequency and severity of wildfires, heat waves, and drought, all of which can degrade air quality. Wichita residents should continue monitoring conditions and advocating for clean air policies that protect public health.

Today's Primary Pollutant: Ground-level Ozone (O3)

The primary pollutant of concern in Wichita today is ground-level ozone (O3). Ground-level ozone is not emitted directly but forms through photochemical reactions when nitrogen oxides (NOx) and volatile organic compounds (VOCs) interact in the presence of sunlight and heat. This makes ozone a "secondary pollutant" that peaks during hot, sunny afternoons. The precursor pollutants come from vehicle exhaust, power plants, industrial facilities, gasoline vapors, and chemical solvents. Even natural sources like vegetation release VOCs that contribute to ozone formation under the right conditions. Ozone irritates the respiratory tract, causing coughing, throat irritation, chest pain, and shortness of breath. It can reduce lung function even in healthy adults, trigger asthma attacks, and increase susceptibility to respiratory infections. Repeated exposure can cause permanent structural damage to lung tissue. Monitoring O3 levels is essential because this pollutant is currently driving the overall AQI reading for Wichita. When O3 concentrations decrease, the overall AQI will improve correspondingly.

All Pollutants Monitored in Wichita

PM2.5 (PM2.5)

Tiny particles less than 2.5 micrometers that can penetrate deep into lungs and bloodstream.

PM10 (PM10)

Particles between 2.5 and 10 micrometers, including dust, pollen, and mold.

Ozone (O3)

A harmful gas created by chemical reactions between pollutants in sunlight.

Dominant today

NO2 (NO2)

A reddish-brown gas from burning fuel, can irritate airways.

CO (CO)

A colorless, odorless gas from incomplete combustion.

SO2 (SO2)

A gas from burning fossil fuels, can affect breathing.

Health Impact Assessment for Wichita

With an AQI of 40, Wichita's air quality poses little to no health risk for the vast majority of residents. At this level, even people with pre-existing respiratory conditions like asthma or COPD can generally engage in normal outdoor activities without concern. The concentration of ground-level ozone (O3) remains well within safe limits established by the EPA's National Ambient Air Quality Standards (NAAQS). However, it is worth noting that some individuals are unusually sensitive to air pollution and may notice subtle effects even at low AQI levels, particularly during prolonged vigorous exercise.

Certain groups in Wichita should be especially attentive to air quality conditions. Children under 14 breathe more air per pound of body weight than adults and have respiratory systems still in development, making them more susceptible to pollution damage. Adults over 65 are at elevated risk because they are more likely to have underlying cardiovascular or respiratory conditions, sometimes undiagnosed, that pollution can aggravate. Pregnant women should monitor air quality closely, as research has linked elevated pollution exposure during pregnancy to low birth weight, preterm delivery, and developmental issues. People managing asthma, COPD, diabetes, or heart disease should treat air quality forecasts with the same seriousness as weather forecasts and adjust their activities accordingly.

Current conditions in Wichita are favorable for all forms of outdoor exercise. Runners, cyclists, hikers, and anyone engaged in vigorous outdoor activity can proceed without air quality-related concerns. This is an ideal time to take advantage of outdoor fitness opportunities. That said, it is always smart to check the AQI before heading out, as conditions can shift within hours due to weather changes, traffic patterns, or regional pollution events.

Indoor air quality in Wichita homes and buildings is closely tied to outdoor conditions, but you can take steps to keep your indoor environment healthier. When outdoor AQI is elevated, keep windows and doors closed and run your HVAC system in recirculate mode with a clean filter rated MERV 13 or higher. Portable HEPA air purifiers can reduce indoor PM2.5 concentrations by 50 to 80 percent in the room where they are placed, making them a worthwhile investment for bedrooms and living areas. Avoid activities that generate indoor pollution, such as burning candles, using a fireplace, frying food at high heat, or smoking, as these can add to the pollutant burden when ventilation is limited.

What You Can Do: Protecting Yourself in Wichita

Protecting yourself from air pollution in Wichita starts with staying informed. Make checking the AQI part of your daily routine, just like checking the weather forecast. The EPA's AirNow website and mobile app provide real-time readings and forecasts for the Wichita area, and many smartphone weather apps now include air quality data. Set up alerts to receive notifications when AQI exceeds 100 so you can adjust your plans before heading outdoors.

With ground-level ozone (O3) as the dominant concern, focus on minimizing your time outdoors during peak pollution hours, typically mid-afternoon on hot days. While HEPA air purifiers are less effective against gaseous pollutants like ozone, activated carbon filters can help reduce indoor concentrations. Running your air conditioning is beneficial because the cooling coils and filters remove some ozone as outdoor air is drawn through the system. Consider a purifier that combines HEPA filtration with activated carbon if your area regularly experiences both particulate and ozone pollution.

Timing your outdoor activities strategically can significantly reduce your pollution exposure in Wichita. Air quality is typically best between 6 AM and 10 AM, before traffic and solar heating drive up pollutant concentrations. Avoid strenuous outdoor activity during the afternoon peak, usually between 2 PM and 6 PM in warmer months. When walking or cycling, choose routes that avoid major roadways, as pollution levels can be 50 percent higher within 500 feet of a busy highway compared to just a few blocks away. On days when the AQI exceeds 150, consider wearing an N95 or KN95 respirator outdoors, as these masks effectively filter fine particles unlike cloth or surgical masks.