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)
64
Moderate
West Hempfield, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
68.58 μg/m³
0
55
155
255
425
605+
40.12 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
9.44 ppb
0
54
101
361
1250
2050+
0.37 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 69
Moderate
18.55μg/m³
PM2.5
66.06μg/m³
PM10
17.08ppb
O3
0.38ppb
SO2
18.69ppb
NO2
0.37ppm
CO
AQI 67
Moderate
17.56μg/m³
PM2.5
62.25μg/m³
PM10
16.54ppb
O3
0.27ppb
SO2
17.31ppb
NO2
0.37ppm
CO
AQI 71
Moderate
20.25μg/m³
PM2.5
93.13μg/m³
PM10
17.71ppb
O3
0.39ppb
SO2
18.67ppb
NO2
0.34ppm
CO
AQI 67
Moderate
17.75μg/m³
PM2.5
60.18μg/m³
PM10
17.07ppb
O3
0.36ppb
SO2
18.72ppb
NO2
0.37ppm
CO
AQI 77
Moderate
22.74μg/m³
PM2.5
99.91μg/m³
PM10
15.94ppb
O3
0.55ppb
SO2
18.54ppb
NO2
0.34ppm
CO
AQI 75
Moderate
21.68μg/m³
PM2.5
95.45μg/m³
PM10
15.55ppb
O3
0.54ppb
SO2
18.18ppb
NO2
0.35ppm
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 10:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in West Hempfield, Pennsylvania was observed at 04:00:00 on 2026-08-14.
As of now, the AQI in West Hempfield, Pennsylvania is 64, indicating Moderate 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 16.044 μg/m3.
The PM10 concentration in West Hempfield, Pennsylvania is 68.579 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Hempfield, Pennsylvania is 0.373 ppm.
Currently, West Hempfield, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.405 ppb.
The current ozone (O3) level in West Hempfield, Pennsylvania at the moment is 40.119 ppm.
Nitrogen dioxide (NO2) level in West Hempfield, Pennsylvania at the moment is 9.435 ppb.
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