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Centreville, MD Air Quality

← Centreville

Air quality in Centreville

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
43
Good
PM2.5
10.4 µg/m³
WHO guideline 15
PM10
10.6 µg/m³
WHO guideline 45
NO₂ · O₃
13 · 53
µg/m³

Hour by hour (12h)

US EPA AQI
8:00 AM 💨 PM2.5 10.4 µg/m³
43Good
9:00 AM 💨 PM2.5 10.5 µg/m³
44Good
10:00 AM 💨 PM2.5 11.5 µg/m³
56Moderate
11:00 AM 💨 PM2.5 11.5 µg/m³
98Moderate
12:00 PM 💨 PM2.5 10.7 µg/m³
108Unhealthy for Sensitive Groups
1:00 PM 💨 PM2.5 8.9 µg/m³
106Unhealthy for Sensitive Groups
2:00 PM 💨 PM2.5 7.1 µg/m³
99Moderate
3:00 PM 💨 PM2.5 5.7 µg/m³
96Moderate
4:00 PM 💨 PM2.5 5 µg/m³
86Moderate
5:00 PM 💨 PM2.5 4.5 µg/m³
73Moderate
6:00 PM 💨 PM2.5 4.6 µg/m³
50Good
7:00 PM 💨 PM2.5 5.6 µg/m³
43Good

Next few days

daily max · US EPA AQI
Fri 💨 Unhealthy for Sensitive Groups · UV High
108
Sat 💨 Moderate · UV High
55
Sun 💨 Moderate · UV High
61
Mon 💨 Moderate · UV High
61
Tue 💨 Good · UV High
39
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Updated: 8:18 AM