Stay updated with real-time air quality in Marshall, 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)
38
Good
Marshall, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.40 μg/m³
0
55
155
255
425
605+
40.67 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
2.38 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marshall, Pennsylvania
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AQI 42
Good
3.29μg/m³
PM2.5
14.95μg/m³
PM10
45.37ppb
O3
0.30ppb
SO2
1.58ppb
NO2
0.26ppm
CO
AQI 43
Good
3.36μg/m³
PM2.5
15.61μg/m³
PM10
46.45ppb
O3
0.30ppb
SO2
1.58ppb
NO2
0.26ppm
CO
AQI 44
Good
3.32μg/m³
PM2.5
15.35μg/m³
PM10
47.68ppb
O3
0.30ppb
SO2
1.57ppb
NO2
0.23ppm
CO
AQI 44
Good
3.35μg/m³
PM2.5
15.56μg/m³
PM10
47.97ppb
O3
0.30ppb
SO2
1.57ppb
NO2
0.22ppm
CO
AQI 43
Good
2.88μg/m³
PM2.5
11.89μg/m³
PM10
46.41ppb
O3
0.30ppb
SO2
1.48ppb
NO2
0.26ppm
CO
AQI 40
Good
3.61μg/m³
PM2.5
16.78μg/m³
PM10
43.46ppb
O3
0.75ppb
SO2
2.08ppb
NO2
0.25ppm
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 Marshall, Pennsylvania are available every hour.
Marshall, Pennsylvania experienced its worst air quality at 10:00:00, 2026-03-09.
The best air quality in Marshall, Pennsylvania was observed at 03:00:00 on 2026-03-09.
The air quality in Marshall, Pennsylvania right now is Good, with an AQI of 42.
In Marshall, Pennsylvania, O3 is the most frequently found pollutant.
When air quality in Marshall, Pennsylvania is compromised, staying indoors and wearing a mask can reduce health risks.
Marshall, Pennsylvania currently has a PM2.5 concentration of 3.29 μg/m3.
Marshall, Pennsylvania currently has a PM10 concentration of 14.946 μg/m3.
The current carbon monoxide (CO) level in Marshall, Pennsylvania is 0.258 ppm.
The current sulfur dioxide (SO2) concentration in Marshall, Pennsylvania is 0.304 ppb.
Marshall, Pennsylvania currently has an ozone (O3) concentration of 45.371 ppm.
The current level of nitrogen dioxide (NO2) in Marshall, Pennsylvania is 1.576 ppb.
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