Air quality in Stoneham
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
5.3 µg/m³
WHO guideline 15
PM10
6.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 5.3 µg/m³
41Good
1:00 PM
💨
PM2.5 4.8 µg/m³
45Good
2:00 PM
💨
PM2.5 4.8 µg/m³
47Good
3:00 PM
💨
PM2.5 5 µg/m³
49Good
4:00 PM
💨
PM2.5 5.2 µg/m³
48Good
5:00 PM
💨
PM2.5 5.2 µg/m³
50Good
6:00 PM
💨
PM2.5 4.9 µg/m³
47Good
7:00 PM
💨
PM2.5 4.6 µg/m³
43Good
8:00 PM
💨
PM2.5 4.1 µg/m³
41Good
9:00 PM
💨
PM2.5 4.2 µg/m³
41Good
10:00 PM
💨
PM2.5 4.6 µg/m³
42Good
11:00 PM
💨
PM2.5 5.4 µg/m³
43Good
Next few days
daily max · US EPA AQI
Sun
💨
Good · UV Moderate
50
Mon
💨
Moderate · UV High
60
Tue
💨
Moderate · UV Moderate
52
Thu
💨
Moderate · UV Very high
56