Air Quality in Romeoville, United States

Partly Cloudy
19.1°C · 59.4% humidity
19.1°
Feels 19.1°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 8am
66
54
39 11am
43
46
48 2pm
50
51
52 5pm
53
53
53 8pm
53
54
54 11pm
54
54
66 2am
66
66
66 5am
66
54
AD 728×90

Air Quality Index Trend

45h · 274 stn

Romeoville'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
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
39
9.43 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Romeoville?

Temperature & Precipitation

PM2.5 Trend

45h · 274 stations
PM2.59.43 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
9.43
Median
9.25
Average
7.0
Low
11.5
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +0.6

What is the 7-day forecast for Romeoville?

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: 6.9°C

Where are air quality stations near Romeoville?

32
Joliet, Illinois, USA
13.6 km PM2.5: 7.7 µg/m³
32
Joliet, Illinois, USA
13.6 km PM2.5: 7.7 µg/m³
48
Joliet, Illinois, USA
13.6 km PM2.5: 11.5 µg/m³
51
Naperville, Illinois, USA
14.7 km PM2.5: 12.1 µg/m³
29
Naperville, Illinois, USA
14.7 km PM2.5: 7.0 µg/m³
27
Clearing 1
27.9 km PM2.5: 6.5 µg/m³
25
Garfield Ridge 4
28.5 km PM2.5: 6.0 µg/m³

What cities are near Romeoville?

32 Bolingbrook 45 Lockport 28 Lemont 48 Crest Hill 27 Woodridge 26 Goodings Grove 48 Joliet 28 Homer Glen 29 Naperville 48 Shorewood
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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 2026-09-05T16:33 UTC.