Air Quality in Crest Hill, United States
Windy
11.9°C · 67.5% humidity
11.9°
Feels 11.9°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Crest Hill's air quality — share it
AQI Forecast
27
2pm
27
27
22
5pm
23
24
23
8pm
24
24
24
11pm
27
27
27
2am
27
27
27
5am
27
27
25
8am
25
25
25
11am
25
25
Air Quality Index Trend
47h · 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. Current PM2.5 concentration in Crest Hill is 1.1× the WHO annual guideline of 5 µg/m³.
67.5%
Humidity
80.4 km/h
Wind NNE
1027.6 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.27 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Crest Hill?
Temperature & Precipitation
PM2.5 Trend
47h · 6 stationsPM2.55.27 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
Station readings (3 stations within 25 km)
5.27
Median
4.73
Average
4.1
Low
5.3
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +4.7
What is the 7-day forecast for Crest Hill?
05-28
25.9° 12.1°
22.0 mm
05-29
28.8° 6.2°
05-30
23.4° 12.5°
0.69 mm
05-31
29.7° 13.1°
0.13 mm
06-01
30.0° 15.1°
06-02
21.4° 13.3°
7.44 mm
06-03
29.2° 22.0°
Both models agree
Avg diff: 4.9°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 2026-05-28T22:52 UTC.