Air quality in Old City
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
8.8 µg/m³
WHO guideline 15
PM10
10.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 PM
💨
PM2.5 8.8 µg/m³
37Good
10:00 PM
💨
PM2.5 9.6 µg/m³
40Good
11:00 PM
💨
PM2.5 14.1 µg/m³
55Moderate
12:00 AM
💨
PM2.5 18.8 µg/m³
65Moderate
1:00 AM
💨
PM2.5 23.4 µg/m³
75Moderate
2:00 AM
💨
PM2.5 28.4 µg/m³
85Moderate
3:00 AM
💨
PM2.5 32.8 µg/m³
95Moderate
4:00 AM
💨
PM2.5 36.4 µg/m³
103Unhealthy for Sensitive Groups
5:00 AM
💨
PM2.5 39.2 µg/m³
110Unhealthy for Sensitive Groups
6:00 AM
💨
PM2.5 40.6 µg/m³
114Unhealthy for Sensitive Groups
7:00 AM
💨
PM2.5 36.4 µg/m³
103Unhealthy for Sensitive Groups
8:00 AM
💨
PM2.5 29 µg/m³
87Moderate
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
66
Fri
💨
Unhealthy for Sensitive Groups · UV High
135
Sat
💨
Unhealthy · UV High
170
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
147
Mon
💨
Good · UV Very high
50