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
7.3 µg/m³
WHO guideline 15
PM10
9.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 PM
💨
PM2.5 7.3 µg/m³
76Moderate
7:00 PM
💨
PM2.5 8.1 µg/m³
70Moderate
8:00 PM
💨
PM2.5 9.3 µg/m³
66Moderate
9:00 PM
💨
PM2.5 10.5 µg/m³
68Moderate
10:00 PM
💨
PM2.5 11.8 µg/m³
73Moderate
11:00 PM
💨
PM2.5 13.2 µg/m³
78Moderate
12:00 AM
💨
PM2.5 14.4 µg/m³
85Moderate
1:00 AM
💨
PM2.5 15.2 µg/m³
91Moderate
2:00 AM
💨
PM2.5 14.2 µg/m³
95Moderate
3:00 AM
💨
PM2.5 12.8 µg/m³
91Moderate
4:00 AM
💨
PM2.5 10.1 µg/m³
83Moderate
5:00 AM
💨
PM2.5 8 µg/m³
71Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
93
Tue
💨
Unhealthy · UV Moderate
174
Wed
💨
Good · UV Moderate
45
Thu
💨
Unhealthy for Sensitive Groups · UV Moderate
140