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Active Weather Warnings

Air Quality Alert

Weather in Evansville, Indiana

03:35 PM

Now

91° F

Feels Like 99°

Precipitation 35 %

Wind 7 mph

UV Index (0 - 11+) 4

Humidity 47 %

Today

Day 91°

Night 77°

Precipitation 55 %

Wind 5 mph

UV Index (0 - 11+) 4

Evansville Weather Forecast Updated

29 minutes ago

Last updated on July 20, 2026 at 3:06 PM

Weather Forecast History

Last Year's Weather on This Day (July 20, 2025)

Day

93°

Night

75°

Wind

6 mph

Precipitation

98 %

Air Quality in Evansville

NOW

40 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 7.55 µg/m³

PM₁₀ 7.85 µg/m³

O₃ 0.043 ppm

NO₂ 0.3 ppb

SO₂ 0.3 ppb

CO 0.10 ppm

NH₃ 0.32 µg/m³

NO 0.08 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 7.55 µg/m³

PM₁₀ – 7.85 µg/m³

O₃ – 85.22 µg/m³

NO₂ – 0.51 µg/m³

SO₂ – 0.67 µg/m³

CO – 111.42 µg/m³

NH₃ – 0.32 µg/m³

NO – 0.08 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Evansville

Air Quality Alert

Air Quality Alert issued July 20 at 9:01AM CDT by NWS Paducah KY

Jul 20, 9:01 AM → Jul 20, 11:15 PM

The Indiana Department of Environmental Management has issued an Air
Quality Action Day for high levels of Fine Particles PM 2.5 in the
air for the following Southwest Indiana counties,

Vanderburgh, Posey, Warrick, Spencer, Gibson, and Pike.

This alert is IN EFFECT UNTIL 11 PM CDT THIS EVENING.

Due to observed and forecasted high concentration of PM 2.5 readings
in the area, the public is recommended to avoid or limit outdoor
exposure to wildfire smoke, reduce or avoid exertion or heavy work
outdoors and keep windows and doors closed as much as possible.

Please visit the Indiana Department of Environmental Management
website for recommended actions at www.smogwatch.in.gov.

Updated: Jul 20, 3:06 PM Source: NWS Alert