Air quality in Waterbury
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.
PM2.5
7 µg/m³
WHO guideline 15
PM10
7.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 PM
💨
PM2.5 7 µg/m³
35Good
8:00 PM
💨
PM2.5 8.4 µg/m³
35Good
9:00 PM
💨
PM2.5 8.6 µg/m³
36Good
10:00 PM
💨
PM2.5 7.7 µg/m³
32Good
11:00 PM
💨
PM2.5 6.4 µg/m³
29Good
12:00 AM
💨
PM2.5 5.6 µg/m³
27Good
1:00 AM
💨
PM2.5 5.1 µg/m³
26Good
2:00 AM
💨
PM2.5 4.8 µg/m³
24Good
3:00 AM
💨
PM2.5 4.7 µg/m³
22Good
4:00 AM
💨
PM2.5 4.7 µg/m³
20Good
5:00 AM
💨
PM2.5 4.7 µg/m³
20Good
6:00 AM
💨
PM2.5 4.7 µg/m³
20Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
64
Sun
💨
Moderate · UV High
98
Mon
💨
Moderate · UV High
71
Tue
💨
No data · UV Moderate
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