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Glen, MD Air Quality

← Glen

Air quality in Glen

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
31
Good
PM2.5
3.7 µg/m³
WHO guideline 15
PM10
3.7 µg/m³
WHO guideline 45
NO₂ · O₃
8 · 65
µg/m³

Hour by hour (12h)

US EPA AQI
12:00 AM 💨 PM2.5 3.7 µg/m³
31Good
1:00 AM 💨 PM2.5 3.6 µg/m³
31Good
2:00 AM 💨 PM2.5 3.6 µg/m³
31Good
3:00 AM 💨 PM2.5 3.7 µg/m³
30Good
4:00 AM 💨 PM2.5 3.9 µg/m³
29Good
5:00 AM 💨 PM2.5 4 µg/m³
28Good
6:00 AM 💨 PM2.5 4.1 µg/m³
26Good
7:00 AM 💨 PM2.5 4.2 µg/m³
23Good
8:00 AM 💨 PM2.5 4.8 µg/m³
23Good
9:00 AM 💨 PM2.5 5.1 µg/m³
28Good
10:00 AM 💨 PM2.5 5.4 µg/m³
37Good
11:00 AM 💨 PM2.5 5.7 µg/m³
44Good

Next few days

daily max · US EPA AQI
Fri 💨 Moderate · UV High
98
Sat 💨 Moderate · UV Moderate
77
Sun 💨 Moderate · UV High
52
Mon 💨 Good · UV High
48
Tue 💨 Good · UV High
25
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Updated: 12:52 AM