Air Quality in Joliet, United States

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

Nearby Monitoring Stations

AQI Forecast
54 3pm
34
34
40 6pm
36
41
59 9pm
57
56
56 12am
55
55
55 3am
54
54
54 6am
54
24
25 9am
25
25
25 12pm
25
25
AD 728×90

Air Quality Index Trend

46h · 191 stn

Joliet'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
9.6 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Joliet?

Temperature & Precipitation

PM2.5 Trend

46h · 191 stations
PM2.59.6 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (1 station within 25 km)
9.6
Median
9.6
Average
9.6
Low
9.6
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +4.1

What is the 7-day forecast for Joliet?

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 Joliet?

38
Joliet, Illinois, USA
2.8 km PM2.5: 9.1 µg/m³
40
Joliet, Illinois, USA
2.8 km PM2.5: 9.6 µg/m³
44
Joliet, Illinois, USA
2.8 km PM2.5: 10.6 µg/m³
40
Joliet, Illinois, USA
2.8 km PM2.5: 9.6 µg/m³

What cities are near Joliet?

40 Crest Hill 40 Lockport 40 Shorewood 40 New Lenox 38 Romeoville 40 Homer Glen 40 Mokena 40 Goodings Grove 38 Lemont 37 Bolingbrook
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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 2026-08-07T23:57 UTC.