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WeatherLive › Pennsylvania › Radnor › Air Quality

Radnor, PA Air Quality

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Air quality in Radnor

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
21
Good
PM2.5
3.7 µg/m³
WHO guideline 15
PM10
3.7 µg/m³
WHO guideline 45
NO₂ · O₃
9 · 45
µg/m³

Hour by hour (12h)

US EPA AQI
4:00 AM 💨 PM2.5 3.7 µg/m³
21Good
5:00 AM 💨 PM2.5 3.5 µg/m³
19Good
6:00 AM 💨 PM2.5 3.8 µg/m³
17Good
7:00 AM 💨 PM2.5 4.9 µg/m³
20Good
8:00 AM 💨 PM2.5 4.6 µg/m³
19Good
9:00 AM 💨 PM2.5 4.1 µg/m³
22Good
10:00 AM 💨 PM2.5 2.8 µg/m³
26Good
11:00 AM 💨 PM2.5 2.5 µg/m³
27Good
12:00 PM 💨 PM2.5 2.2 µg/m³
28Good
1:00 PM 💨 PM2.5 2.1 µg/m³
29Good
2:00 PM 💨 PM2.5 2 µg/m³
29Good
3:00 PM 💨 PM2.5 1.9 µg/m³
28Good

Next few days

daily max · US EPA AQI
Sat 💨 Good · UV Low
29
Sun 💨 Good · UV Low
30
Mon 💨 Moderate · UV Low
60
Tue 💨 Moderate · UV Low
73
Wed 💨 Moderate · UV Moderate
67

Weather map — Radnor

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Updated: 4:39 AM