Stay updated with real-time air quality in College, Pennsylvania featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
42
Good
College, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.02 μg/m³
0
55
155
255
425
605+
45.09 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
1.92 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
College, Pennsylvania
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AQI 43
Good
2.80μg/m³
PM2.5
12.00μg/m³
PM10
45.93ppb
O3
0.34ppb
SO2
1.62ppb
NO2
0.26ppm
CO
AQI 43
Good
2.80μg/m³
PM2.5
11.99μg/m³
PM10
45.86ppb
O3
0.34ppb
SO2
1.64ppb
NO2
0.26ppm
CO
AQI 42
Good
2.77μg/m³
PM2.5
11.95μg/m³
PM10
45.27ppb
O3
0.34ppb
SO2
1.83ppb
NO2
0.26ppm
CO
AQI 37
Good
2.40μg/m³
PM2.5
10.01μg/m³
PM10
40.03ppb
O3
0.44ppb
SO2
1.90ppb
NO2
0.20ppm
CO
AQI 37
Good
2.42μg/m³
PM2.5
10.09μg/m³
PM10
40.23ppb
O3
0.44ppb
SO2
1.91ppb
NO2
0.20ppm
CO
AQI 42
Good
3.29μg/m³
PM2.5
14.95μg/m³
PM10
45.37ppb
O3
0.30ppb
SO2
1.58ppb
NO2
0.26ppm
CO
The air quality data for Pennsylvania, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for College, Pennsylvania are available every hour.
College, Pennsylvania experienced its worst air quality at 11:00:00, 2026-03-09.
The best air quality in College, Pennsylvania was observed at 12:00:00 on 2026-03-09.
The air quality in College, Pennsylvania right now is Good, with an AQI of 42.
In College, Pennsylvania, O3 is the most frequently found pollutant.
When air quality in College, Pennsylvania is compromised, staying indoors and wearing a mask can reduce health risks.
College, Pennsylvania currently has a PM2.5 concentration of 2.803 μg/m3.
College, Pennsylvania currently has a PM10 concentration of 12.015 μg/m3.
The current carbon monoxide (CO) level in College, Pennsylvania is 0.256 ppm.
The current sulfur dioxide (SO2) concentration in College, Pennsylvania is 0.299 ppb.
College, Pennsylvania currently has an ozone (O3) concentration of 45.089 ppm.
The current level of nitrogen dioxide (NO2) in College, Pennsylvania is 1.915 ppb.
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