Stay updated with real-time air quality in West Mifflin, 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)
31
Good
West Mifflin, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.58 μg/m³
0
55
155
255
425
605+
33.52 ppb
0
55
71
86
201
201+
1.07 ppb
0
36
76
186
605
1005+
5.44 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
West Mifflin, Pennsylvania
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AQI 36
Good
2.51μg/m³
PM2.5
10.21μg/m³
PM10
38.71ppb
O3
1.98ppb
SO2
2.98ppb
NO2
0.21ppm
CO
AQI 36
Good
2.64μg/m³
PM2.5
11.11μg/m³
PM10
38.98ppb
O3
1.23ppb
SO2
3.27ppb
NO2
0.20ppm
CO
AQI 39
Good
2.60μg/m³
PM2.5
11.01μg/m³
PM10
42.16ppb
O3
0.92ppb
SO2
3.32ppb
NO2
0.21ppm
CO
AQI 36
Good
2.61μg/m³
PM2.5
10.98μg/m³
PM10
39.35ppb
O3
1.28ppb
SO2
3.23ppb
NO2
0.21ppm
CO
AQI 36
Good
2.41μg/m³
PM2.5
9.89μg/m³
PM10
38.61ppb
O3
1.91ppb
SO2
3.03ppb
NO2
0.21ppm
CO
AQI 35
Good
2.50μg/m³
PM2.5
10.36μg/m³
PM10
38.39ppb
O3
1.62ppb
SO2
3.18ppb
NO2
0.20ppm
CO
Air quality and pollutant data for Pennsylvania, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for West Mifflin, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in West Mifflin, Pennsylvania was at its worst at 01:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in West Mifflin, Pennsylvania was observed at 02:00:00 on 2026-03-09.
As of now, the AQI in West Mifflin, Pennsylvania is 37, indicating Good conditions.
West Mifflin, Pennsylvania air has the highest levels of O3.
Poor air quality in West Mifflin, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in West Mifflin, Pennsylvania are currently 2.696 μg/m3.
The PM10 concentration in West Mifflin, Pennsylvania is 11.036 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Mifflin, Pennsylvania is 0.218 ppm.
Currently, West Mifflin, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.929 ppb.
The current ozone (O3) level in West Mifflin, Pennsylvania at the moment is 39.581 ppm.
Nitrogen dioxide (NO2) level in West Mifflin, Pennsylvania at the moment is 4.571 ppb.
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