Air Quality in Romeoville, United States

Drizzle
23.9°C · 66.0% humidity
23.9°
Feels 23.9°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast
24 1pm
24
24
54 4pm
45
39
35 7pm
33
33
31 10pm
30
29
28 1am
26
28
55 4am
83
83
84 7am
54
66
83 10am
83
84
AD 728×90

Air Quality Index Trend

48h · 8 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.

66.0%
Humidity
37.5 km/h
Wind ENE
1013.6 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.32 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Romeoville?

Temperature & Precipitation

PM2.5 Trend

48h · 8 stations
PM2.513.32 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
13.32
Median
13.2
Average
10.8
Low
17.3
High
PM2.5 µg/m³ · Model: 9.65 · Bias: -3.7

What is the 7-day forecast for Romeoville?

07-21
28.0° 21.8°
1.5 mm
07-22
23.9° 18.3°
0.56 mm
07-23
22.2° 15.9°
13.25 mm
07-24
26.8° 16.7°
07-25
23.2° 16.9°
0.44 mm
07-26
24.7° 20.1°
1.94 mm
07-27
26.1° 19.1°
0.19 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near Romeoville?

54
Clearing 1
27.9 km PM2.5: 13.5 µg/m³
53
Garfield Ridge 4
28.5 km PM2.5: 12.9 µg/m³

What cities are near Romeoville?

52 Bolingbrook 55 Lockport 55 Lemont 56 Crest Hill 51 Woodridge 55 Goodings Grove 56 Joliet 55 Homer Glen 45 Naperville 56 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 2026-07-21T21:53 UTC.