Air Quality in Collinsville, United States
Cloudy
15.0°C · 77.7% humidity
15.0°
Feels 15.0°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Collinsville's air quality — share it
AQI Forecast
25
11pm
25
25
37
2am
34
31
29
5am
28
27
27
8am
26
26
26
11am
25
25
25
2pm
25
25
25
5pm
27
27
34
8pm
34
54
Air Quality Index Trend
46h · 5 stnCollinsville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
77.7%
Humidity
24.5 km/h
Wind NW
1014.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.92 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Collinsville?
Temperature & Precipitation
PM2.5 Trend
46h · 5 stationsPM2.58.92 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
8.92
Median
9.1
Average
6.7
Low
11.5
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -2.9
What is the 7-day forecast for Collinsville?
06-09
29.6° 15.0°
7.81 mm
06-10
30.3° 22.1°
62.31 mm
06-11
28.3° 18.0°
06-12
30.8° 20.8°
0.19 mm
06-13
27.0° 22.6°
2.0 mm
06-14
31.6° 16.7°
15.75 mm
06-15
33.4° 24.5°
0.06 mm
Both models agree
Avg diff: 3.6°C
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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 2026-06-09T07:07 UTC.