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Ansonia, CT Air Quality

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Air quality in Ansonia

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
73
Moderate
PM2.5
4.5 µg/m³
WHO guideline 15
PM10
4.6 µg/m³
WHO guideline 45
NO₂ · O₃
2 · 121
µg/m³

Hour by hour (12h)

US EPA AQI
1:00 PM 💨 PM2.5 4.5 µg/m³
73Moderate
2:00 PM 💨 PM2.5 5.6 µg/m³
81Moderate
3:00 PM 💨 PM2.5 7.2 µg/m³
100Moderate
4:00 PM 💨 PM2.5 9.1 µg/m³
119Unhealthy for Sensitive Groups
5:00 PM 💨 PM2.5 10.8 µg/m³
129Unhealthy for Sensitive Groups
6:00 PM 💨 PM2.5 11.9 µg/m³
119Unhealthy for Sensitive Groups
7:00 PM 💨 PM2.5 13.1 µg/m³
100Moderate
8:00 PM 💨 PM2.5 15 µg/m³
80Moderate
9:00 PM 💨 PM2.5 16.9 µg/m³
66Moderate
10:00 PM 💨 PM2.5 18.3 µg/m³
64Moderate
11:00 PM 💨 PM2.5 18 µg/m³
63Moderate
12:00 AM 💨 PM2.5 16.9 µg/m³
61Moderate

Next few days

daily max · US EPA AQI
Wed 💨 Unhealthy for Sensitive Groups · UV Very high
129
Thu 💨 Moderate · UV Moderate
85
Fri 💨 Moderate · UV High
94
Sat 💨 Moderate · UV Moderate
52
Sun 💨 Good · UV High
32
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Updated: 1:14 PM