Air Quality in Lemont, United States

Clear
21.0°C · 45.1% humidity
21.0°
Feels 21.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
18 stations

Nearby Monitoring Stations

AQI Forecast
66 9am
54
54
25 12pm
33
39
43 3pm
46
49
50 6pm
51
52
53 9pm
53
53
53 12am
54
66
66 3am
66
66
66 6am
54
27
AD 728×90

Air Quality Index Trend

45h · 276 stn

Lemont's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

45.1%
Humidity
28.2 km/h
Wind WNW
1020.0 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.13 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Lemont?

Temperature & Precipitation

PM2.5 Trend

45h · 276 stations
PM2.56.13 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (18 stations within 25 km)
6.13
Median
6.03
Average
4.13
Low
8.9
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +3.9
Both models agree Avg diff: 5.9°C

Where are air quality stations near Lemont?

29
Naperville, Illinois, USA
16.6 km PM2.5: 7.0 µg/m³
51
Naperville, Illinois, USA
16.6 km PM2.5: 12.1 µg/m³
32
Joliet, Illinois, USA
18.9 km PM2.5: 7.7 µg/m³
32
Joliet, Illinois, USA
18.9 km PM2.5: 7.7 µg/m³
48
Joliet, Illinois, USA
18.9 km PM2.5: 11.5 µg/m³
27
Clearing 1
20.2 km PM2.5: 6.5 µg/m³
25
Garfield Ridge 4
20.9 km PM2.5: 6.0 µg/m³
17
Clearing 2
22.3 km PM2.5: 4.1 µg/m³
23
Garfield Ridge 3
22.5 km PM2.5: 5.6 µg/m³
30
Ashburn 8
22.9 km PM2.5: 7.1 µg/m³

What cities are near Lemont?

29 Bolingbrook 25 Goodings Grove 29 Romeoville 28 Woodridge 25 Homer Glen 27 Lockport 24 Orland Park 24 Westmont 24 Downers Grove 23 Hinsdale
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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 2026-09-05T17:11 UTC.