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)
24
Good
West Mifflin, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.88 μg/m³
0
55
155
255
425
605+
25.92 ppb
0
55
71
86
201
201+
1.07 ppb
0
36
76
186
605
1005+
2.18 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
West Mifflin, Pennsylvania
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AQI 31
Good
2.58μg/m³
PM2.5
10.87μg/m³
PM10
33.00ppb
O3
1.00ppb
SO2
2.41ppb
NO2
0.31ppm
CO
AQI 31
Good
2.62μg/m³
PM2.5
10.89μg/m³
PM10
33.23ppb
O3
1.01ppb
SO2
2.26ppb
NO2
0.30ppm
CO
AQI 33
Good
2.70μg/m³
PM2.5
11.00μg/m³
PM10
35.55ppb
O3
1.01ppb
SO2
2.15ppb
NO2
0.31ppm
CO
AQI 31
Good
2.61μg/m³
PM2.5
10.85μg/m³
PM10
33.68ppb
O3
0.99ppb
SO2
2.25ppb
NO2
0.31ppm
CO
AQI 31
Good
2.54μg/m³
PM2.5
10.59μg/m³
PM10
32.70ppb
O3
1.00ppb
SO2
2.46ppb
NO2
0.31ppm
CO
AQI 30
Good
2.57μg/m³
PM2.5
10.79μg/m³
PM10
32.37ppb
O3
1.01ppb
SO2
2.31ppb
NO2
0.30ppm
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 03:00:00 on 2026-03-07.
In the last 24 hours, the best air quality in West Mifflin, Pennsylvania was observed at 02:00:00 on 2026-03-08.
As of now, the AQI in West Mifflin, Pennsylvania is 31, 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 2.744 μg/m3.
The PM10 concentration in West Mifflin, Pennsylvania is 11.632 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Mifflin, Pennsylvania is 0.253 ppm.
Currently, West Mifflin, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.989 ppb.
The current ozone (O3) level in West Mifflin, Pennsylvania at the moment is 34.037 ppm.
Nitrogen dioxide (NO2) level in West Mifflin, Pennsylvania at the moment is 2.363 ppb.
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