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Darnestown, MD Air Quality

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Air quality in Darnestown

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
63
Moderate
PM2.5
17.9 µg/m³
WHO guideline 15
PM10
18.2 µg/m³
WHO guideline 45
NO₂ · O₃
29 · 74
µg/m³

Hour by hour (12h)

US EPA AQI
10:00 PM 💨 PM2.5 17.9 µg/m³
63Moderate
11:00 PM 💨 PM2.5 19.3 µg/m³
66Moderate
12:00 AM 💨 PM2.5 20.4 µg/m³
68Moderate
1:00 AM 💨 PM2.5 20.7 µg/m³
69Moderate
2:00 AM 💨 PM2.5 19.7 µg/m³
67Moderate
3:00 AM 💨 PM2.5 17.9 µg/m³
63Moderate
4:00 AM 💨 PM2.5 15.8 µg/m³
59Moderate
5:00 AM 💨 PM2.5 14.5 µg/m³
56Moderate
6:00 AM 💨 PM2.5 13.5 µg/m³
54Moderate
7:00 AM 💨 PM2.5 12.8 µg/m³
52Moderate
8:00 AM 💨 PM2.5 12.6 µg/m³
52Moderate
9:00 AM 💨 PM2.5 12.5 µg/m³
52Moderate

Next few days

daily max · US EPA AQI
Mon 💨 Unhealthy for Sensitive Groups · UV High
140
Tue 💨 Unhealthy for Sensitive Groups · UV Very high
106
Wed 💨 Unhealthy for Sensitive Groups · UV Very high
135
Thu 💨 Unhealthy for Sensitive Groups · UV High
108
Fri 💨 Moderate · UV High
100
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Updated: 10:12 PM