Air quality in West Sayville
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
4 µg/m³
WHO guideline 15
PM10
4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 4 µg/m³
49Good
6:00 PM
💨
PM2.5 4 µg/m³
45Good
7:00 PM
💨
PM2.5 4.5 µg/m³
40Good
8:00 PM
💨
PM2.5 5.5 µg/m³
36Good
9:00 PM
💨
PM2.5 5 µg/m³
35Good
10:00 PM
💨
PM2.5 4.4 µg/m³
36Good
11:00 PM
💨
PM2.5 3.7 µg/m³
36Good
12:00 AM
💨
PM2.5 2.9 µg/m³
35Good
1:00 AM
💨
PM2.5 2.6 µg/m³
34Good
2:00 AM
💨
PM2.5 2.2 µg/m³
32Good
3:00 AM
💨
PM2.5 2.1 µg/m³
30Good
4:00 AM
💨
PM2.5 2.1 µg/m³
28Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
66
Tue
💨
Moderate · UV High
93
Wed
💨
Moderate · UV High
59