Air Quality in Crest Hill, United States
Drizzle
23.9°C · 66.0% humidity
23.9°
Feels 23.9°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
Crest Hill's air quality — share it
AQI Forecast
24
5pm
24
24
38
8pm
36
34
32
11pm
30
29
27
2am
28
55
84
5am
83
84
54
8am
66
83
83
11am
84
146
146
2pm
146
146
Air Quality Index Trend
48h · 6 stnCrest Hill's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
66.0%
Humidity
37.5 km/h
Wind ENE
1013.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Crest Hill?
Temperature & Precipitation
PM2.5 Trend
48h · 6 stationsPM2.59.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (4 stations within 25 km)
9.25
Median
9.25
Average
7.7
Low
10.8
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +0.4
What is the 7-day forecast for Crest Hill?
07-22
23.9° 18.3°
0.56 mm
07-23
22.2° 15.9°
13.25 mm
07-24
26.8° 16.7°
07-25
23.2° 16.9°
0.44 mm
07-26
24.7° 20.1°
1.94 mm
07-27
26.1° 19.1°
0.19 mm
07-28
29.1° 21.1°
2.69 mm
Both models agree
Avg diff: 4.3°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 2026-07-22T01:08 UTC.