Air Quality in Romeoville, United States

Windy
11.9°C · 67.5% humidity
11.9°
Feels 11.9°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
27 4pm
27
27
27 7pm
25
25
25 10pm
25
27
27 1am
27
27
27 4am
27
27
27 7am
25
25
25 10am
25
25
25 1pm
27
27
AD 728×90

Air Quality Index Trend

46h · 11 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. Current PM2.5 concentration in Romeoville is 1.3× the WHO annual guideline of 5 µg/m³.

67.5%
Humidity
80.4 km/h
Wind NNE
1027.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.43 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Romeoville?

Temperature & Precipitation

PM2.5 Trend

46h · 11 stations
PM2.56.43 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
6.43
Median
6.62
Average
3.6
Low
14.5
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +0.1

What is the 7-day forecast for Romeoville?

05-29
28.8° 6.2°
05-30
23.4° 12.5°
0.69 mm
05-31
29.7° 13.1°
0.13 mm
06-01
30.0° 15.1°
06-02
21.4° 13.3°
7.44 mm
06-03
29.2° 22.0°
06-04
25.1° 13.8°
Both models agree Avg diff: 4.8°C

Where are air quality stations near Romeoville?

28
Clearing 1
27.9 km PM2.5: 6.6 µg/m³
23
Garfield Ridge 4
28.5 km PM2.5: 5.6 µg/m³

What cities are near Romeoville?

33 Bolingbrook 20 Lockport 27 Lemont 18 Crest Hill 38 Woodridge 26 Goodings Grove 18 Joliet 17 Homer Glen 38 Naperville 18 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 2026-05-29T00:19 UTC.