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.
PM2.5
3.9 µg/m³
WHO guideline 15
PM10
4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 3.9 µg/m³
25Good
3:00 AM
💨
PM2.5 4.2 µg/m³
24Good
4:00 AM
💨
PM2.5 4.4 µg/m³
23Good
5:00 AM
💨
PM2.5 4.6 µg/m³
22Good
6:00 AM
💨
PM2.5 4.8 µg/m³
21Good
7:00 AM
💨
PM2.5 5.1 µg/m³
21Good
8:00 AM
💨
PM2.5 6 µg/m³
25Good
9:00 AM
💨
PM2.5 6.4 µg/m³
27Good
10:00 AM
💨
PM2.5 6.7 µg/m³
32Good
11:00 AM
💨
PM2.5 6.2 µg/m³
38Good
12:00 PM
💨
PM2.5 5.9 µg/m³
41Good
1:00 PM
💨
PM2.5 5.7 µg/m³
43Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
68
Sun
💨
Unhealthy for Sensitive Groups · UV High
138
Mon
💨
Moderate · UV High
85
Tue
💨
Unhealthy · UV Low
154
Wed
💨
Moderate · UV Moderate
75