Air Quality in Crest Hill, United States
Windy
18.9°C · 59.6% humidity
18.9°
Feels 18.9°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Crest Hill's air quality — share it
AQI Forecast
25
6pm
25
24
17
9pm
19
20
21
12am
22
23
23
3am
23
24
24
6am
24
24
24
9am
24
24
24
12pm
24
25
25
3pm
25
25
Air Quality Index Trend
47h · 4 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.
59.6%
Humidity
49.2 km/h
Wind NW
1010.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.95 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Crest Hill?
Temperature & Precipitation
PM2.5 Trend
47h · 4 stationsPM2.53.95 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
3.95
Median
3.95
Average
2.4
Low
5.5
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +2.0
What is the 7-day forecast for Crest Hill?
06-09
31.1° 11.8°
0.19 mm
06-10
22.3° 19.4°
27.69 mm
06-11
24.9° 15.6°
1.31 mm
06-12
29.1° 20.4°
11.63 mm
06-13
27.5° 22.7°
5.69 mm
06-14
30.5° 15.0°
0.13 mm
06-15
32.8° 23.7°
0.44 mm
Both models agree
Avg diff: 5.5°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 2026-06-09T02:20 UTC.