What is the air quality in Chicago Loop today?

The current Air Quality Index (AQI) in Chicago Loop is 18 (Good). PM2.5 concentration is 4.31 µg/m³.

What is the temperature in Chicago Loop right now?

The current temperature in Chicago Loop is 14.7°C (feels like 14.7°C). Humidity is 56.2% and wind speed is 12.5 km/h.

Is it safe to go outside in Chicago Loop?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Chicago Loop, United States

Partly Cloudy

14.7°C · 56.2% humidity

14.7°

Feels 14.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

264 stations

Nearby Monitoring Stations

AQI Forecast

27 8pm

18 11pm

21 2am

23 5am

25 8am

25 11am

27 2pm

27 5pm

Air Quality Index Trend

47h · 7 stn

View full history →

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

56.2%

Humidity

12.5 km/h

Wind NNE

1011.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.31 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Chicago Loop?

Temperature & Precipitation

PM2.5 Trend

47h · 7 stations

PM2.54.31 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (264 stations within 25 km)

4.31

Median

4.11

Average

2.63

Low

5.94

High

PM2.5 µg/m³ · Model: 6.25 · Bias: +1.9

What is the 7-day forecast for Chicago Loop?

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

06-15

34.7° 24.0°

Both models agree Avg diff: 6.4°C

Where are air quality stations near Chicago Loop?

Loop 1

0.5 km PM2.5: 4.2 µg/m³

Near North Side 4

1.3 km PM2.5: 5.9 µg/m³

Loop 2

1.3 km PM2.5: 4.0 µg/m³

Near North Side 3

1.7 km PM2.5: 4.8 µg/m³

Near West Side 3

1.8 km PM2.5: 4.0 µg/m³

Near West Side 4

1.9 km PM2.5: 4.1 µg/m³

West Town 3

2.1 km PM2.5: 4.4 µg/m³

Near South Side 1

2.1 km PM2.5: 3.8 µg/m³

Near West Side 4

2.6 km PM2.5: 5.5 µg/m³

Near North Side 2

2.6 km PM2.5: 4.7 µg/m³

What cities are near Chicago Loop?

20 Near North Side 16 Near South Side 19 West Town 18 Chicago 18 Lower West Side 19 Lincoln Park 18 Bridgeport 16 Douglas 16 East Garfield Park 18 McKinley Park

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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 2026-06-09T04:59 UTC.