Air quality in Old Saybrook Center
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
8.8 µg/m³
WHO guideline 15
PM10
11.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 PM
💨
PM2.5 8.8 µg/m³
63Moderate
10:00 PM
💨
PM2.5 9.8 µg/m³
61Moderate
11:00 PM
💨
PM2.5 11 µg/m³
61Moderate
12:00 AM
💨
PM2.5 12.2 µg/m³
63Moderate
1:00 AM
💨
PM2.5 13.3 µg/m³
66Moderate
2:00 AM
💨
PM2.5 14.1 µg/m³
68Moderate
3:00 AM
💨
PM2.5 14.6 µg/m³
70Moderate
4:00 AM
💨
PM2.5 14.2 µg/m³
73Moderate
5:00 AM
💨
PM2.5 13.3 µg/m³
71Moderate
6:00 AM
💨
PM2.5 12.2 µg/m³
65Moderate
7:00 AM
💨
PM2.5 11.4 µg/m³
55Moderate
8:00 AM
💨
PM2.5 11.3 µg/m³
50Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
80
Thu
💨
Moderate · UV High
73
Fri
💨
Unhealthy for Sensitive Groups · UV Moderate
104
Sat
💨
Good · UV Moderate
43