Air quality in Hempstead
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
18 µg/m³
WHO guideline 15
PM10
18.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 PM
💨
PM2.5 18 µg/m³
63Moderate
10:00 PM
💨
PM2.5 17.9 µg/m³
63Moderate
11:00 PM
💨
PM2.5 17.3 µg/m³
62Moderate
12:00 AM
💨
PM2.5 16.2 µg/m³
60Moderate
1:00 AM
💨
PM2.5 14.7 µg/m³
56Moderate
2:00 AM
💨
PM2.5 13.1 µg/m³
53Moderate
3:00 AM
💨
PM2.5 12 µg/m³
50Good
4:00 AM
💨
PM2.5 11.2 µg/m³
47Good
5:00 AM
💨
PM2.5 10.7 µg/m³
45Good
6:00 AM
💨
PM2.5 10.6 µg/m³
44Good
7:00 AM
💨
PM2.5 10.8 µg/m³
45Good
8:00 AM
💨
PM2.5 11.9 µg/m³
50Good
Next few days
daily max · US EPA AQI
Thu
💨
Unhealthy for Sensitive Groups · UV Moderate
124
Fri
💨
Unhealthy for Sensitive Groups · UV High
103
Sat
💨
Moderate · UV Very high
63
Sun
💨
Moderate · UV Low
63
Mon
💨
Moderate · UV High
51