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

Which pollutant is driving the AQI?

PM2.5▲
45
10.85 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Granite City?

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

What is the 7-day forecast for Granite City?

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°
Both models agree Avg diff: 3.6°C

Where are air quality stations near Granite City?

44
East St. Louis, Illinois, USA
10.0 km PM2.5: 10.6 µg/m³
30
Forest Park, Missouri, USA
13.9 km PM2.5: 7.2 µg/m³

What cities are near Granite City?

42 East Saint Louis 42 St. Louis 45 Spanish Lake 45 Ferguson 42 Collinsville 45 University City 45 Clayton 45 Florissant 45 Overland 42 Fairview Heights
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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.