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)
99
Moderate
West Hempfield, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
35.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
149.14 μg/m³
0
55
155
255
425
605+
3.98 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
17.55 ppb
0
54
101
361
1250
2050+
0.47 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 94
Moderate
32.34μg/m³
PM2.5
108.17μg/m³
PM10
4.71ppb
O3
1.04ppb
SO2
17.55ppb
NO2
0.47ppm
CO
AQI 99
Moderate
35.22μg/m³
PM2.5
149.14μg/m³
PM10
3.98ppb
O3
0.80ppb
SO2
17.55ppb
NO2
0.47ppm
CO
AQI 86
Moderate
28.21μg/m³
PM2.5
108.32μg/m³
PM10
4.71ppb
O3
1.06ppb
SO2
17.57ppb
NO2
0.51ppm
CO
AQI 96
Moderate
32.72μg/m³
PM2.5
107.86μg/m³
PM10
5.36ppb
O3
0.54ppb
SO2
17.52ppb
NO2
0.47ppm
CO
AQI 100
Moderate
35.07μg/m³
PM2.5
153.53μg/m³
PM10
6.45ppb
O3
1.02ppb
SO2
17.53ppb
NO2
0.52ppm
CO
AQI 99
Moderate
34.31μg/m³
PM2.5
150.56μg/m³
PM10
6.60ppb
O3
1.01ppb
SO2
17.49ppb
NO2
0.52ppm
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 06:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in West Hempfield, Pennsylvania was observed at 12:00:00 on 2025-12-06.
As of now, the AQI in West Hempfield, Pennsylvania is 99, 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 35.221 μg/m3.
The PM10 concentration in West Hempfield, Pennsylvania is 149.14 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Hempfield, Pennsylvania is 0.468 ppm.
Currently, West Hempfield, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.798 ppb.
The current ozone (O3) level in West Hempfield, Pennsylvania at the moment is 3.982 ppm.
Nitrogen dioxide (NO2) level in West Hempfield, Pennsylvania at the moment is 17.548 ppb.
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