Air quality in Harbour Chines
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.
US AQI · EPA
129
Unhealthy for Sensitive Groups
PM2.5
46.8 µg/m³
WHO guideline 15
PM10
47.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 AM
💨
PM2.5 46.8 µg/m³
129Unhealthy for Sensitive Groups
4:00 AM
💨
PM2.5 47.5 µg/m³
131Unhealthy for Sensitive Groups
5:00 AM
💨
PM2.5 43.3 µg/m³
120Unhealthy for Sensitive Groups
6:00 AM
💨
PM2.5 36 µg/m³
102Unhealthy for Sensitive Groups
7:00 AM
💨
PM2.5 31.8 µg/m³
92Moderate
8:00 AM
💨
PM2.5 24.8 µg/m³
78Moderate
9:00 AM
💨
PM2.5 18.5 µg/m³
64Moderate
10:00 AM
💨
PM2.5 11.6 µg/m³
48Good
11:00 AM
💨
PM2.5 7.9 µg/m³
33Good
12:00 PM
💨
PM2.5 7.1 µg/m³
33Good
1:00 PM
💨
PM2.5 6.6 µg/m³
36Good
2:00 PM
💨
PM2.5 6.4 µg/m³
40Good
Next few days
daily max · US EPA AQI
Sat
💨
Unhealthy for Sensitive Groups · UV Moderate
131
Sun
💨
Moderate · UV Low
73
Mon
💨
Unhealthy for Sensitive Groups · UV Moderate
108
Tue
💨
Unhealthy for Sensitive Groups · UV Moderate
129
Wed
💨
Unhealthy for Sensitive Groups · UV Moderate
122