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WeatherLive › Connecticut › Westport › Air Quality

Westport, CT Air Quality

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Air quality in Westport

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
26
Good
PM2.5
1.2 µg/m³
WHO guideline 15
PM10
1.2 µg/m³
WHO guideline 45
NO₂ · O₃
8 · 54
µg/m³

Hour by hour (12h)

US EPA AQI
7:00 AM 💨 PM2.5 1.2 µg/m³
26Good
8:00 AM 💨 PM2.5 1.4 µg/m³
25Good
9:00 AM 💨 PM2.5 1.5 µg/m³
24Good
10:00 AM 💨 PM2.5 1.7 µg/m³
24Good
11:00 AM 💨 PM2.5 2.2 µg/m³
24Good
12:00 PM 💨 PM2.5 3 µg/m³
25Good
1:00 PM 💨 PM2.5 3.5 µg/m³
26Good
2:00 PM 💨 PM2.5 3.6 µg/m³
26Good
3:00 PM 💨 PM2.5 3.5 µg/m³
27Good
4:00 PM 💨 PM2.5 3.1 µg/m³
27Good
5:00 PM 💨 PM2.5 3.3 µg/m³
26Good
6:00 PM 💨 PM2.5 3.6 µg/m³
24Good

Next few days

daily max · US EPA AQI
Fri 💨 Good · UV Low
33
Sat 💨 Good · UV Low
29
Sun 💨 Good · UV Moderate
28
Mon 💨 Good · UV Moderate
33
Tue 💨 Moderate · UV Moderate
55

Weather map — Westport

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Updated: 7:16 AM