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Hillen, MD Air Quality

← Hillen

Air quality in Hillen

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
58
Moderate
PM2.5
6.7 µg/m³
WHO guideline 15
PM10
6.8 µg/m³
WHO guideline 45
NO₂ · O₃
6 · 112
µg/m³

Hour by hour (12h)

US EPA AQI
6:00 PM 💨 PM2.5 6.7 µg/m³
58Moderate
7:00 PM 💨 PM2.5 7.5 µg/m³
47Good
8:00 PM 💨 PM2.5 8.8 µg/m³
42Good
9:00 PM 💨 PM2.5 10.2 µg/m³
43Good
10:00 PM 💨 PM2.5 11.1 µg/m³
46Good
11:00 PM 💨 PM2.5 11.9 µg/m³
50Good
12:00 AM 💨 PM2.5 12.8 µg/m³
52Moderate
1:00 AM 💨 PM2.5 14.3 µg/m³
56Moderate
2:00 AM 💨 PM2.5 13.9 µg/m³
55Moderate
3:00 AM 💨 PM2.5 12.2 µg/m³
51Moderate
4:00 AM 💨 PM2.5 11.6 µg/m³
48Good
5:00 AM 💨 PM2.5 10.7 µg/m³
45Good

Next few days

daily max · US EPA AQI
Tue 💨 Moderate · UV High
78
Wed 💨 Unhealthy for Sensitive Groups · UV Very high
135
Thu 💨 Unhealthy for Sensitive Groups · UV High
124
Fri 💨 Unhealthy for Sensitive Groups · UV High
104
Sat 💨 Good · UV High
48
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Updated: 6:50 PM