Air quality in Hampstead
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
9 µg/m³
WHO guideline 15
PM10
9.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 AM
💨
PM2.5 9 µg/m³
38Good
5:00 AM
💨
PM2.5 8.5 µg/m³
35Good
6:00 AM
💨
PM2.5 7.7 µg/m³
32Good
7:00 AM
💨
PM2.5 7.1 µg/m³
30Good
8:00 AM
💨
PM2.5 7.2 µg/m³
30Good
9:00 AM
💨
PM2.5 7.1 µg/m³
30Good
10:00 AM
💨
PM2.5 6.6 µg/m³
28Good
11:00 AM
💨
PM2.5 5.6 µg/m³
30Good
12:00 PM
💨
PM2.5 4.9 µg/m³
34Good
1:00 PM
💨
PM2.5 3.8 µg/m³
36Good
2:00 PM
💨
PM2.5 3.3 µg/m³
38Good
3:00 PM
💨
PM2.5 3 µg/m³
39Good
Next few days
daily max · US EPA AQI
Sun
💨
Good · UV Moderate
41
Mon
💨
Moderate · UV High
94
Tue
💨
Moderate · UV High
93
Wed
💨
Good · UV Moderate
48