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Romeoville, IL Air Quality

← Romeoville

Air quality in Romeoville

The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.

US AQI · EPA
37
Good
PM2.5
8.9 µg/m³
WHO guideline 15
PM10
9.1 µg/m³
WHO guideline 45
NO₂ · O₃
12 · 60
µg/m³

Hour by hour (12h)

US EPA AQI
5:00 AM 💨 PM2.5 8.9 µg/m³
37Good
6:00 AM 💨 PM2.5 8.6 µg/m³
36Good
7:00 AM 💨 PM2.5 8.4 µg/m³
35Good
8:00 AM 💨 PM2.5 9.3 µg/m³
39Good
9:00 AM 💨 PM2.5 9.3 µg/m³
41Good
10:00 AM 💨 PM2.5 9.9 µg/m³
48Good
11:00 AM 💨 PM2.5 10.9 µg/m³
78Moderate
12:00 PM 💨 PM2.5 11.6 µg/m³
104Unhealthy for Sensitive Groups
1:00 PM 💨 PM2.5 12.4 µg/m³
126Unhealthy for Sensitive Groups
2:00 PM 💨 PM2.5 13 µg/m³
131Unhealthy for Sensitive Groups
3:00 PM 💨 PM2.5 13.1 µg/m³
124Unhealthy for Sensitive Groups
4:00 PM 💨 PM2.5 12.5 µg/m³
113Unhealthy for Sensitive Groups

Next few days

daily max · US EPA AQI
Wed 💨 Unhealthy for Sensitive Groups · UV High
131
Thu 💨 Unhealthy for Sensitive Groups · UV High
103
Fri 💨 Moderate · UV High
89
Sat 💨 Unhealthy for Sensitive Groups · UV Moderate
147
Sun 💨 Moderate · UV High
81
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Updated: 5:09 AM