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Old City, PA Air Quality

← Old City

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.

US AQI · EPA
47
Good
PM2.5
11.2 µg/m³
WHO guideline 15
PM10
11.3 µg/m³
WHO guideline 45
NO₂ · O₃
24 · 38
µg/m³

Hour by hour (12h)

US EPA AQI
1:00 AM 💨 PM2.5 11.2 µg/m³
47Good
2:00 AM 💨 PM2.5 12 µg/m³
50Good
3:00 AM 💨 PM2.5 13.4 µg/m³
54Moderate
4:00 AM 💨 PM2.5 14.1 µg/m³
55Moderate
5:00 AM 💨 PM2.5 12 µg/m³
50Good
6:00 AM 💨 PM2.5 9.8 µg/m³
41Good
7:00 AM 💨 PM2.5 7.8 µg/m³
33Good
8:00 AM 💨 PM2.5 6.9 µg/m³
29Good
9:00 AM 💨 PM2.5 6 µg/m³
26Good
10:00 AM 💨 PM2.5 5.6 µg/m³
35Good
11:00 AM 💨 PM2.5 4.6 µg/m³
42Good
12:00 PM 💨 PM2.5 4.2 µg/m³
45Good

Next few days

daily max · US EPA AQI
Sat 💨 Moderate · UV High
55
Sun 💨 Moderate · UV High
67
Mon 💨 Moderate · UV High
91
Tue 💨 Unhealthy for Sensitive Groups · UV High
124
Wed 💨 Good · UV Very high
42
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Updated: 1:29 AM