What is the air quality in Chicago Loop today?

The current Air Quality Index (AQI) in Chicago Loop is 57 (Moderate). PM2.5 concentration is 14.98 µg/m³.

What is the temperature in Chicago Loop right now?

The current temperature in Chicago Loop is 8.7°C (feels like 2.0°C). Humidity is 43.8% and wind speed is 95.9 km/h.

Air Quality in Chicago Loop, United States

Drizzle

8.7°C · 43.8% humidity

8.7°

Feels 2.0°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

269 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

6h · 1 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.

43.8%

Humidity

95.9 km/h

Wind NNE

1027.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

14.98 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Chicago Loop?

Temperature & Precipitation

PM2.5 Trend

6h · 1 station

PM2.514.98 µg/m³ ✓ WHO

Moderate

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (269 stations within 25 km)

14.98

Median

15.32

Average

1.15

Low

22.35

High

PM2.5 µg/m³ · Model: 13.5 · Bias: -1.5

What is the 7-day forecast for Chicago Loop?

10-20

11.9° 7.6°

0.13 mm

10-21

22.7° 13.0°

0.31 mm

10-22

16.2° 9.2°

0.31 mm

10-23

12.3° 9.7°

2.56 mm

10-24

24.4° 11.0°

10-25

15.2° 4.7°

0.25 mm

10-26

16.3° 3.5°

5.63 mm

Both models agree Avg diff: 4.7°C

Where are air quality stations near Chicago Loop?

Loop 1

0.5 km PM2.5: 15.7 µg/m³

Near North Side 4

1.3 km PM2.5: 15.9 µg/m³

Loop 2

1.3 km PM2.5: 14.9 µg/m³

Near North Side 3

1.7 km PM2.5: 15.6 µg/m³

Near West Side 3

1.8 km PM2.5: 12.4 µg/m³

Near West Side 4

1.9 km PM2.5: 12.5 µg/m³

West Town 3

2.1 km PM2.5: 13.5 µg/m³

Near South Side 1

2.1 km PM2.5: 14.9 µg/m³

Near West Side 4

2.6 km PM2.5: 14.9 µg/m³

Near North Side 2

2.8 km PM2.5: 13.2 µg/m³

What cities are near Chicago Loop?

56 Near North Side 52 Near South Side 59 West Town 55 Chicago 59 Lower West Side 42 Lincoln Park 61 Bridgeport 60 Douglas 60 East Garfield Park 60 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 2026-10-20T20:55 UTC.