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Reservoir Hill, MD Air Quality

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Air quality in Reservoir Hill

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
5.2 µg/m³
WHO guideline 15
PM10
5.3 µg/m³
WHO guideline 45
NO₂ · O₃
4 · 79
µg/m³

Hour by hour (12h)

US EPA AQI
11:00 AM 💨 PM2.5 5.2 µg/m³
37Good
12:00 PM 💨 PM2.5 5.2 µg/m³
43Good
1:00 PM 💨 PM2.5 5.3 µg/m³
48Good
2:00 PM 💨 PM2.5 5.5 µg/m³
55Moderate
3:00 PM 💨 PM2.5 6 µg/m³
68Moderate
4:00 PM 💨 PM2.5 6.6 µg/m³
78Moderate
5:00 PM 💨 PM2.5 7.2 µg/m³
78Moderate
6:00 PM 💨 PM2.5 7.7 µg/m³
60Moderate
7:00 PM 💨 PM2.5 9.3 µg/m³
45Good
8:00 PM 💨 PM2.5 11.5 µg/m³
48Good
9:00 PM 💨 PM2.5 11.4 µg/m³
48Good
10:00 PM 💨 PM2.5 11.1 µg/m³
46Good

Next few days

daily max · US EPA AQI
Sat 💨 Moderate · UV High
78
Sun 💨 Unhealthy for Sensitive Groups · UV High
110
Mon 💨 Unhealthy for Sensitive Groups · UV High
120
Tue 💨 Unhealthy · UV High
181
Wed 💨 Moderate · UV Very high
57
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Updated: 11:14 AM