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)
27
Good
West Mifflin, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.89 μg/m³
0
55
155
255
425
605+
29.23 ppb
0
55
71
86
201
201+
1.05 ppb
0
36
76
186
605
1005+
7.36 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Mifflin, Pennsylvania
West Mifflin, Pennsylvania
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AQI 28
Good
3.57μg/m³
PM2.5
15.88μg/m³
PM10
29.52ppb
O3
1.05ppb
SO2
7.38ppb
NO2
0.24ppm
CO
AQI 27
Good
3.57μg/m³
PM2.5
15.91μg/m³
PM10
28.76ppb
O3
1.05ppb
SO2
7.33ppb
NO2
0.25ppm
CO
AQI 27
Good
3.70μg/m³
PM2.5
16.00μg/m³
PM10
29.07ppb
O3
1.05ppb
SO2
7.29ppb
NO2
0.24ppm
CO
AQI 27
Good
3.58μg/m³
PM2.5
15.89μg/m³
PM10
28.94ppb
O3
1.05ppb
SO2
7.33ppb
NO2
0.24ppm
CO
AQI 28
Good
3.50μg/m³
PM2.5
15.53μg/m³
PM10
29.55ppb
O3
1.06ppb
SO2
7.41ppb
NO2
0.24ppm
CO
AQI 27
Good
3.56μg/m³
PM2.5
15.72μg/m³
PM10
28.66ppb
O3
1.05ppb
SO2
7.35ppb
NO2
0.25ppm
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 02:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in West Mifflin, Pennsylvania was observed at 04:00:00 on 2026-01-23.
As of now, the AQI in West Mifflin, Pennsylvania is 27, 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 3.553 μg/m3.
The PM10 concentration in West Mifflin, Pennsylvania is 15.886 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Mifflin, Pennsylvania is 0.243 ppm.
Currently, West Mifflin, Pennsylvania has a sulfur dioxide (SO2) concentration of 1.053 ppb.
The current ozone (O3) level in West Mifflin, Pennsylvania at the moment is 29.234 ppm.
Nitrogen dioxide (NO2) level in West Mifflin, Pennsylvania at the moment is 7.361 ppb.
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