Air Quality in Crest Hill, United States

Windy
24.5°C · 54.3% humidity
24.5°
Feels 24.5°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
27 7pm
34
54
40 10pm
44
47
49 1am
50
51
52 4am
53
53
53 7am
24
25
25 10am
25
25
25 1pm
25
25
25 4pm
25
25
AD 728×90

Air Quality Index Trend

45h · 208 stn

Crest 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.

54.3%
Humidity
46.0 km/h
Wind NW
1018.3 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.58 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Crest Hill?

Temperature & Precipitation

PM2.5 Trend

45h · 208 stations
PM2.59.58 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (2 stations within 25 km)
9.58
Median
9.1
Average
8.6
Low
9.6
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +4.1

What is the 7-day forecast for Crest Hill?

08-03
24.5° 17.8°
3.94 mm
08-04
31.0° 14.8°
08-05
29.7° 14.0°
4.5 mm
08-06
32.8° 21.5°
08-07
27.9° 16.3°
08-08
31.2° 18.0°
5.44 mm
08-09
31.0° 22.4°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Crest Hill?

38
Joliet, Illinois, USA
3.4 km PM2.5: 9.1 µg/m³
50
Joliet, Illinois, USA
3.4 km PM2.5: 12.0 µg/m³
60
Joliet, Illinois, USA
3.4 km PM2.5: 16.4 µg/m³
35
Naperville, Illinois, USA
24.5 km PM2.5: 8.4 µg/m³
33
Naperville, Illinois, USA
24.5 km PM2.5: 7.9 µg/m³
36
Naperville, Illinois, USA
24.5 km PM2.5: 8.6 µg/m³
35
Naperville, Illinois, USA
24.5 km PM2.5: 8.4 µg/m³
36
Clearing 1
34.9 km PM2.5: 8.6 µg/m³

What cities are near Crest Hill?

40 Joliet 40 Lockport 40 Shorewood 38 Romeoville 40 New Lenox 40 Homer Glen 38 Lemont 37 Bolingbrook 40 Goodings Grove 40 Mokena
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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 2026-08-08T03:05 UTC.