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WeatherLiveIllinoisMonmouthAir Quality

Monmouth, IL Air Quality

← Monmouth

Air quality in Monmouth

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
47
Good
PM2.5
10.6 µg/m³
WHO guideline 15
PM10
11 µg/m³
WHO guideline 45
NO₂ · O₃
4 · 99
µg/m³

Hour by hour (12h)

US EPA AQI
6:00 PM 💨 PM2.5 10.6 µg/m³
47Good
7:00 PM 💨 PM2.5 10.9 µg/m³
45Good
8:00 PM 💨 PM2.5 11.8 µg/m³
49Good
9:00 PM 💨 PM2.5 12 µg/m³
50Good
10:00 PM 💨 PM2.5 11.4 µg/m³
48Good
11:00 PM 💨 PM2.5 9.8 µg/m³
41Good
12:00 AM 💨 PM2.5 8.9 µg/m³
37Good
1:00 AM 💨 PM2.5 8.4 µg/m³
35Good
2:00 AM 💨 PM2.5 8.1 µg/m³
34Good
3:00 AM 💨 PM2.5 7.8 µg/m³
33Good
4:00 AM 💨 PM2.5 7.7 µg/m³
32Good
5:00 AM 💨 PM2.5 7.5 µg/m³
31Good

Next few days

daily max · US EPA AQI
Fri 💨 Moderate · UV High
67
Sat 💨 Moderate · UV High
61
Sun 💨 Moderate · UV Very high
73
Mon 💨 Moderate · UV Very high
83
Tue 💨 No data · UV Very high
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Updated: 6:45 PM