Air quality in Plymouth
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
8.8 µg/m³
WHO guideline 15
PM10
9.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 8.8 µg/m³
63Moderate
4:00 PM
💨
PM2.5 8.8 µg/m³
56Moderate
5:00 PM
💨
PM2.5 9.6 µg/m³
51Moderate
6:00 PM
💨
PM2.5 10.8 µg/m³
49Good
7:00 PM
💨
PM2.5 10.7 µg/m³
46Good
8:00 PM
💨
PM2.5 10.3 µg/m³
43Good
9:00 PM
💨
PM2.5 10 µg/m³
42Good
10:00 PM
💨
PM2.5 9.4 µg/m³
39Good
11:00 PM
💨
PM2.5 8.2 µg/m³
34Good
12:00 AM
💨
PM2.5 7.6 µg/m³
32Good
1:00 AM
💨
PM2.5 7.6 µg/m³
32Good
2:00 AM
💨
PM2.5 8.1 µg/m³
34Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
68
Fri
💨
Unhealthy for Sensitive Groups · UV High
110
Sat
💨
Moderate · UV High
83
Sun
💨
Good · UV Moderate
42
Mon
💨
Good · UV Moderate
44