Air quality in Cold Spring Harbor
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
15.3 µg/m³
WHO guideline 15
PM10
15.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 15.3 µg/m³
58Moderate
9:00 AM
💨
PM2.5 15.6 µg/m³
58Moderate
10:00 AM
💨
PM2.5 15.8 µg/m³
59Moderate
11:00 AM
💨
PM2.5 16.1 µg/m³
59Moderate
12:00 PM
💨
PM2.5 16.6 µg/m³
60Moderate
1:00 PM
💨
PM2.5 16.9 µg/m³
68Moderate
2:00 PM
💨
PM2.5 16.7 µg/m³
83Moderate
3:00 PM
💨
PM2.5 15.8 µg/m³
88Moderate
4:00 PM
💨
PM2.5 14.8 µg/m³
86Moderate
5:00 PM
💨
PM2.5 14.2 µg/m³
78Moderate
6:00 PM
💨
PM2.5 13.8 µg/m³
60Moderate
7:00 PM
💨
PM2.5 13.9 µg/m³
55Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
88
Tue
💨
Moderate · UV High
65
Wed
💨
Moderate · UV High
80
Thu
💨
Moderate · UV High
76
Fri
💨
Moderate · UV High
53