Stay updated with real-time air quality in Baldwin Borough, 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)
42
Good
Baldwin Borough, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.92 μg/m³
0
55
155
255
425
605+
45.26 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
4.45 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Baldwin Borough, Pennsylvania
Baldwin Borough, Pennsylvania
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AQI 42
Good
4.52μg/m³
PM2.5
19.92μg/m³
PM10
45.26ppb
O3
0.82ppb
SO2
4.45ppb
NO2
0.21ppm
CO
AQI 43
Good
4.78μg/m³
PM2.5
20.82μg/m³
PM10
45.57ppb
O3
0.85ppb
SO2
4.71ppb
NO2
0.20ppm
CO
AQI 41
Good
4.62μg/m³
PM2.5
19.99μg/m³
PM10
43.73ppb
O3
0.85ppb
SO2
4.81ppb
NO2
0.20ppm
CO
AQI 40
Good
4.63μg/m³
PM2.5
19.87μg/m³
PM10
43.40ppb
O3
0.83ppb
SO2
4.68ppb
NO2
0.20ppm
CO
AQI 43
Good
4.39μg/m³
PM2.5
19.30μg/m³
PM10
46.25ppb
O3
0.81ppb
SO2
4.27ppb
NO2
0.22ppm
CO
AQI 41
Good
4.83μg/m³
PM2.5
21.00μg/m³
PM10
44.23ppb
O3
0.86ppb
SO2
4.90ppb
NO2
0.19ppm
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 Baldwin Borough, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in Baldwin Borough, Pennsylvania was at its worst at 03:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Baldwin Borough, Pennsylvania was observed at 03:00:00 on 2026-07-23.
As of now, the AQI in Baldwin Borough, Pennsylvania is 42, indicating Good conditions.
Baldwin Borough, Pennsylvania air has the highest levels of O3.
Poor air quality in Baldwin Borough, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Baldwin Borough, Pennsylvania are currently 4.522 μg/m3.
The PM10 concentration in Baldwin Borough, Pennsylvania is 19.916 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Baldwin Borough, Pennsylvania is 0.215 ppm.
Currently, Baldwin Borough, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.823 ppb.
The current ozone (O3) level in Baldwin Borough, Pennsylvania at the moment is 45.256 ppm.
Nitrogen dioxide (NO2) level in Baldwin Borough, Pennsylvania at the moment is 4.446 ppb.
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