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
22.2 µg/m³
WHO guideline 15
PM10
23.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 22.2 µg/m³
72Moderate
11:00 PM
💨
PM2.5 22 µg/m³
72Moderate
12:00 AM
💨
PM2.5 19.9 µg/m³
67Moderate
1:00 AM
💨
PM2.5 18.7 µg/m³
65Moderate
2:00 AM
💨
PM2.5 17.6 µg/m³
63Moderate
3:00 AM
💨
PM2.5 16.3 µg/m³
60Moderate
4:00 AM
💨
PM2.5 15.9 µg/m³
59Moderate
5:00 AM
💨
PM2.5 16.8 µg/m³
61Moderate
6:00 AM
💨
PM2.5 18 µg/m³
63Moderate
7:00 AM
💨
PM2.5 18.3 µg/m³
64Moderate
8:00 AM
💨
PM2.5 17.9 µg/m³
63Moderate
9:00 AM
💨
PM2.5 13.3 µg/m³
54Moderate
Next few days
daily max · US EPA AQI
Sun
💨
Unhealthy for Sensitive Groups · UV Moderate
119
Mon
💨
Unhealthy for Sensitive Groups · UV Moderate
110
Tue
💨
Unhealthy · UV Moderate
165
Wed
💨
Unhealthy for Sensitive Groups · UV Low
120
Thu
💨
Moderate · UV Moderate
60