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Rosemont, MD Air Quality

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Air quality in Rosemont

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
48
Good
PM2.5
11.5 µg/m³
WHO guideline 15
PM10
11.7 µg/m³
WHO guideline 45
NO₂ · O₃
8 · 79
µg/m³

Hour by hour (12h)

US EPA AQI
10:00 AM 💨 PM2.5 11.5 µg/m³
48Good
11:00 AM 💨 PM2.5 9.7 µg/m³
47Good
12:00 PM 💨 PM2.5 8.4 µg/m³
50Good
1:00 PM 💨 PM2.5 8 µg/m³
49Good
2:00 PM 💨 PM2.5 8.4 µg/m³
48Good
3:00 PM 💨 PM2.5 8.9 µg/m³
49Good
4:00 PM 💨 PM2.5 9.1 µg/m³
49Good
5:00 PM 💨 PM2.5 8.9 µg/m³
47Good
6:00 PM 💨 PM2.5 9.1 µg/m³
42Good
7:00 PM 💨 PM2.5 9.8 µg/m³
41Good
8:00 PM 💨 PM2.5 10.4 µg/m³
43Good
9:00 PM 💨 PM2.5 10 µg/m³
42Good

Next few days

daily max · US EPA AQI
Mon 💨 Moderate · UV High
52
Tue 💨 Moderate · UV High
72
Wed 💨 Unhealthy for Sensitive Groups · UV High
135
Thu 💨 Moderate · UV High
93
Fri 💨 Moderate · UV Very high
60
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Updated: 10:53 AM