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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.01 μg/m³
0
55
155
255
425
605+
22.90 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
2.98 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Hempfield, Pennsylvania
West Hempfield, Pennsylvania
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AQI 38
Good
7.08μg/m³
PM2.5
18.20μg/m³
PM10
22.79ppb
O3
0.80ppb
SO2
2.98ppb
NO2
0.28ppm
CO
AQI 38
Good
6.66μg/m³
PM2.5
18.01μg/m³
PM10
22.90ppb
O3
0.80ppb
SO2
2.98ppb
NO2
0.28ppm
CO
AQI 38
Good
6.58μg/m³
PM2.5
20.86μg/m³
PM10
19.46ppb
O3
0.80ppb
SO2
2.97ppb
NO2
0.28ppm
CO
AQI 44
Good
8.37μg/m³
PM2.5
31.18μg/m³
PM10
25.39ppb
O3
0.80ppb
SO2
2.98ppb
NO2
0.28ppm
CO
AQI 60
Moderate
13.82μg/m³
PM2.5
72.24μg/m³
PM10
21.96ppb
O3
0.76ppb
SO2
3.44ppb
NO2
0.36ppm
CO
AQI 58
Moderate
13.06μg/m³
PM2.5
68.76μg/m³
PM10
21.77ppb
O3
0.77ppb
SO2
3.46ppb
NO2
0.36ppm
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 Hempfield, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in West Hempfield, Pennsylvania was at its worst at 12:00:00 on 2026-11-13.
In the last 24 hours, the best air quality in West Hempfield, Pennsylvania was observed at 06:00:00 on 2026-11-12.
As of now, the AQI in West Hempfield, Pennsylvania is 38, indicating Good conditions.
West Hempfield, Pennsylvania air has the highest levels of PM2.5.
Poor air quality in West Hempfield, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in West Hempfield, Pennsylvania are currently 6.658 μg/m3.
The PM10 concentration in West Hempfield, Pennsylvania is 18.012 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Hempfield, Pennsylvania is 0.281 ppm.
Currently, West Hempfield, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.801 ppb.
The current ozone (O3) level in West Hempfield, Pennsylvania at the moment is 22.904 ppm.
Nitrogen dioxide (NO2) level in West Hempfield, Pennsylvania at the moment is 2.983 ppb.
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