Air quality in Larchmont
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
20.1 µg/m³
WHO guideline 15
PM10
25.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 20.1 µg/m³
68Moderate
4:00 PM
💨
PM2.5 18.7 µg/m³
65Moderate
5:00 PM
💨
PM2.5 17.4 µg/m³
62Moderate
6:00 PM
💨
PM2.5 16.2 µg/m³
60Moderate
7:00 PM
💨
PM2.5 15.6 µg/m³
58Moderate
8:00 PM
💨
PM2.5 15.3 µg/m³
58Moderate
9:00 PM
💨
PM2.5 15.3 µg/m³
58Moderate
10:00 PM
💨
PM2.5 15.7 µg/m³
59Moderate
11:00 PM
💨
PM2.5 17.3 µg/m³
62Moderate
12:00 AM
💨
PM2.5 19.9 µg/m³
67Moderate
1:00 AM
💨
PM2.5 23.1 µg/m³
74Moderate
2:00 AM
💨
PM2.5 26.1 µg/m³
80Moderate
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV Very high
78
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
117
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
133
Fri
💨
Unhealthy for Sensitive Groups · UV High
130
Sat
💨
Unhealthy for Sensitive Groups · UV High
104