Air quality in Uniondale
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
11.9 µg/m³
WHO guideline 15
PM10
12.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 11.9 µg/m³
50Good
11:00 PM
💨
PM2.5 11.5 µg/m³
48Good
12:00 AM
💨
PM2.5 11.7 µg/m³
49Good
1:00 AM
💨
PM2.5 12.1 µg/m³
51Moderate
2:00 AM
💨
PM2.5 12 µg/m³
50Good
3:00 AM
💨
PM2.5 11.6 µg/m³
48Good
4:00 AM
💨
PM2.5 11 µg/m³
46Good
5:00 AM
💨
PM2.5 10.9 µg/m³
45Good
6:00 AM
💨
PM2.5 11.2 µg/m³
47Good
7:00 AM
💨
PM2.5 12.8 µg/m³
52Moderate
8:00 AM
💨
PM2.5 15.3 µg/m³
58Moderate
9:00 AM
💨
PM2.5 15.6 µg/m³
58Moderate
Next few days
daily max · US EPA AQI
Sun
💨
Unhealthy for Sensitive Groups · UV High
120
Mon
💨
Moderate · UV High
88
Tue
💨
Moderate · UV High
65
Wed
💨
Moderate · UV High
80
Thu
💨
Moderate · UV High
76