What is the air quality in Chicago today?

The current Air Quality Index (AQI) in Chicago is 42 (Good). PM2.5 concentration is 10.2 µg/m³.

What is the temperature in Chicago right now?

The current temperature in Chicago is 21.2°C (feels like 21.2°C). Humidity is 40.5% and wind speed is 56.6 km/h.

Is it safe to go outside in Chicago?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Chicago, United States

Windy

21.2°C · 40.5% humidity

21.2°

Feels 21.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

276 stations

Nearby Monitoring Stations

AQI Forecast

34 3pm

42 6pm

28 9pm

26 12am

24 3am

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— 6am

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— 9am

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— 12pm

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Air Quality Index Trend

47h · 7 stn

View full history →

Chicago's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

40.5%

Humidity

56.6 km/h

Wind NNW

1009.8 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Chicago?

Temperature & Precipitation

PM2.5 Trend

47h · 7 stations

PM2.510.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (276 stations within 25 km)

10.2

Median

9.57

Average

5.04

Low

14.28

High

PM2.5 µg/m³ · Model: 7.35 · Bias: -2.8

What is the 7-day forecast for Chicago?

06-08

33.6° 15.7°

0.38 mm

06-09

33.2° 14.7°

0.19 mm

06-10

19.6° 17.0°

14.19 mm

06-11

27.1° 15.4°

06-12

31.0° 19.6°

18.38 mm

06-13

31.4° 22.9°

4.13 mm

06-14

29.1° 15.2°

0.06 mm

Both models agree Avg diff: 6.4°C

Where are air quality stations near Chicago?

Lower West Side 3

0.3 km PM2.5: 10.9 µg/m³

Armour Square 1

1.2 km PM2.5: 10.7 µg/m³

Bridgeport 1

1.4 km PM2.5: 10.3 µg/m³

Lower West Side 2

1.6 km PM2.5: 12.2 µg/m³

Near West Side 4

1.7 km PM2.5: 11.1 µg/m³

Lower West Side 4

1.8 km PM2.5: 12.7 µg/m³

Armour Square 2

1.8 km PM2.5: 10.3 µg/m³

Near West Side 4

2.3 km PM2.5: 11.8 µg/m³

Near West Side 5

2.3 km PM2.5: 10.9 µg/m³

Bridgeport 2

2.5 km PM2.5: 11.5 µg/m³

What cities are near Chicago?

42 Bridgeport 45 Lower West Side 40 Near South Side 44 McKinley Park 40 Douglas 43 Chicago Loop 43 New City 38 Grand Boulevard 41 South Lawndale 42 West Town

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T23:10 UTC.