Stay updated with real-time air quality in State 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)
62
Moderate
State College, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.98 μg/m³
0
55
155
255
425
605+
23.31 ppb
0
55
71
86
201
201+
2.52 ppb
0
36
76
186
605
1005+
4.30 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
State College, Pennsylvania
State College, Pennsylvania
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AQI 56
Moderate
12.22μg/m³
PM2.5
54.90μg/m³
PM10
23.24ppb
O3
0.44ppb
SO2
5.44ppb
NO2
0.36ppm
CO
AQI 62
Moderate
15.33μg/m³
PM2.5
54.04μg/m³
PM10
21.81ppb
O3
0.44ppb
SO2
5.50ppb
NO2
0.36ppm
CO
AQI 56
Moderate
12.29μg/m³
PM2.5
55.20μg/m³
PM10
23.83ppb
O3
0.44ppb
SO2
5.47ppb
NO2
0.36ppm
CO
AQI 58
Moderate
13.01μg/m³
PM2.5
59.06μg/m³
PM10
1.11ppb
O3
0.48ppb
SO2
4.29ppb
NO2
0.36ppm
CO
AQI 58
Moderate
13.16μg/m³
PM2.5
59.55μg/m³
PM10
1.95ppb
O3
0.48ppb
SO2
4.31ppb
NO2
0.36ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
27.20μg/m³
PM10
15.96ppb
O3
0.42ppb
SO2
5.29ppb
NO2
0.37ppm
CO
Air quality measurements for Pennsylvania, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for State College, Pennsylvania is updated on an hourly basis.
The worst air quality in State College, Pennsylvania was recorded at 06:00:00 on 2026-08-16.
The best air quality in State College, Pennsylvania was recorded at 09:00:00 on 2026-08-15.
The real-time air quality index in State College, Pennsylvania is 62, currently categorized as Moderate.
The most common pollutant in State College, Pennsylvania is PM2.5.
If the air quality in State College, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in State College, Pennsylvania at present are 14.853 μg/m3.
The current PM10 levels in State College, Pennsylvania are 40.981 μg/m3.
The current carbon monoxide (CO) level in State College, Pennsylvania is 0.34 ppm.
The current sulfur dioxide (SO2) levels in State College, Pennsylvania are 2.522 ppb.
The current ozone (O3) levels at State College, Pennsylvania is 23.313 ppm.
The current nitrogen dioxide (NO2) levels at State College, Pennsylvania is 4.301 ppb.
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