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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.85 μg/m³
0
55
155
255
425
605+
26.67 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
5.30 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Monroeville, Pennsylvania
Monroeville, Pennsylvania
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AQI 38
Good
6.70μg/m³
PM2.5
29.81μg/m³
PM10
27.95ppb
O3
0.75ppb
SO2
5.33ppb
NO2
0.29ppm
CO
AQI 33
Good
6.31μg/m³
PM2.5
28.06μg/m³
PM10
29.66ppb
O3
0.75ppb
SO2
5.32ppb
NO2
0.29ppm
CO
AQI 38
Good
7.17μg/m³
PM2.5
31.84μg/m³
PM10
25.62ppb
O3
0.75ppb
SO2
5.25ppb
NO2
0.29ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
22.70μg/m³
PM10
35.05ppb
O3
0.73ppb
SO2
5.27ppb
NO2
0.26ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
31.18μg/m³
PM10
26.54ppb
O3
0.75ppb
SO2
5.32ppb
NO2
0.28ppm
CO
AQI 33
Good
6.35μg/m³
PM2.5
22.81μg/m³
PM10
28.34ppb
O3
0.70ppb
SO2
5.16ppb
NO2
0.26ppm
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 Monroeville, Pennsylvania is updated on an hourly basis.
The worst air quality in Monroeville, Pennsylvania was recorded at 03:00:00 on 2026-06-08.
The best air quality in Monroeville, Pennsylvania was recorded at 04:00:00 on 2026-06-08.
The real-time air quality index in Monroeville, Pennsylvania is 38, currently categorized as Good.
The most common pollutant in Monroeville, Pennsylvania is PM2.5.
If the air quality in Monroeville, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Monroeville, Pennsylvania at present are 6.93 μg/m3.
The current PM10 levels in Monroeville, Pennsylvania are 30.853 μg/m3.
The current carbon monoxide (CO) level in Monroeville, Pennsylvania is 0.287 ppm.
The current sulfur dioxide (SO2) levels in Monroeville, Pennsylvania are 0.75 ppb.
The current ozone (O3) levels at Monroeville, Pennsylvania is 26.671 ppm.
The current nitrogen dioxide (NO2) levels at Monroeville, Pennsylvania is 5.3 ppb.
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