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.
PM2.5
7.5 µg/m³
WHO guideline 15
PM10
8.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 7.5 µg/m³
32Good
6:00 PM
💨
PM2.5 7.8 µg/m³
33Good
7:00 PM
💨
PM2.5 8.3 µg/m³
35Good
8:00 PM
💨
PM2.5 9.9 µg/m³
41Good
9:00 PM
💨
PM2.5 12.5 µg/m³
52Moderate
10:00 PM
💨
PM2.5 14.1 µg/m³
55Moderate
11:00 PM
💨
PM2.5 15.2 µg/m³
58Moderate
12:00 AM
💨
PM2.5 15.5 µg/m³
58Moderate
1:00 AM
💨
PM2.5 15.1 µg/m³
57Moderate
2:00 AM
💨
PM2.5 14.3 µg/m³
56Moderate
3:00 AM
💨
PM2.5 13.3 µg/m³
54Moderate
4:00 AM
💨
PM2.5 12.5 µg/m³
52Moderate
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
58
Sun
💨
Moderate · UV Moderate
84
Mon
💨
Unhealthy for Sensitive Groups · UV Moderate
108
Tue
💨
Unhealthy for Sensitive Groups · UV High
119
Wed
💨
Moderate · UV Moderate
52