Air Quality in Joliet, United States

Partly Cloudy
19.1°C · 59.4% humidity
19.1°
Feels 19.1°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
27 7am
54
66
32 10am
38
43
46 1pm
48
50
51 4pm
52
52
53 7pm
53
53
54 10pm
54
54
54 1am
66
66
66 4am
66
66
AD 728×90

Air Quality Index Trend

45h · 248 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.

59.4%
Humidity
33.4 km/h
Wind NW
1020.3 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.7 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Joliet?

Temperature & Precipitation

PM2.5 Trend

45h · 248 stations
PM2.57.7 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (1 station within 25 km)
7.7
Median
7.7
Average
7.7
Low
7.7
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.3

What is the 7-day forecast for Joliet?

09-05
19.3° 16.3°
0.06 mm
09-06
27.5° 12.6°
0.44 mm
09-07
22.4° 15.3°
1.88 mm
09-08
21.2° 12.9°
30.12 mm
09-09
26.7° 13.7°
0.38 mm
09-10
24.4° 15.0°
1.12 mm
09-11
30.7° 14.0°
0.44 mm
Both models agree Avg diff: 7.1°C

Where are air quality stations near Joliet?

32
Joliet, Illinois, USA
2.8 km PM2.5: 7.7 µg/m³
32
Joliet, Illinois, USA
2.8 km PM2.5: 7.7 µg/m³
48
Joliet, Illinois, USA
2.8 km PM2.5: 11.5 µg/m³

What cities are near Joliet?

32 Crest Hill 32 Lockport 32 Shorewood 32 New Lenox 32 Romeoville 29 Homer Glen 30 Mokena 28 Goodings Grove 29 Lemont 31 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 2026-09-05T15:50 UTC.