Air Quality in Granite City, United States

Windy
29.8°C · 50.0% humidity
29.8°
Feels 32.7°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
54 10am
54
54
45 1pm
28
29
31 4pm
32
32
26 7pm
24
24
25 10pm
27
25
25 1am
24
24
24 4am
24
24
24 7am
24
25
AD 728×90

Air Quality Index Trend

39h · 2 stn

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

50.0%
Humidity
44.7 km/h
Wind NE
1012.7 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
45
10.85 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

39h · 2 stations
PM2.510.85 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
07-21
32.6° 24.2°
07-22
28.6° 22.4°
07-23
21.4° 20.4°
0.31 mm
07-24
30.3° 19.8°
0.56 mm
07-25
27.0° 20.3°
2.81 mm
07-26
33.3° 24.1°
1.25 mm
07-27
31.2° 22.7°
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T18:11 UTC.