Air Quality in Granite City, United States

Windy
29.8°C · 50.0% humidity
29.8°
Feels 32.7°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
54 11am
54
54
37 2pm
34
34
34 5pm
34
27
25 8pm
25
25
27 11pm
25
25
24 2am
24
24
24 5am
24
24
24 8am
25
25
AD 728×90

Air Quality Index Trend

42h · 6 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
37
8.94 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

42h · 6 stations
PM2.58.94 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
8.94
Median
7.5
Average
4.8
Low
10.1
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -0.7
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: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T19:47 UTC.