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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.85 μg/m³
0
55
155
255
425
605+
44.74 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
2.46 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Carlisle, Pennsylvania
Carlisle, Pennsylvania
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AQI 42
Good
3.57μg/m³
PM2.5
15.77μg/m³
PM10
44.81ppb
O3
0.26ppb
SO2
2.45ppb
NO2
0.16ppm
CO
AQI 42
Good
3.52μg/m³
PM2.5
15.43μg/m³
PM10
45.23ppb
O3
0.27ppb
SO2
2.45ppb
NO2
0.16ppm
CO
AQI 44
Good
4.43μg/m³
PM2.5
21.42μg/m³
PM10
47.44ppb
O3
0.25ppb
SO2
2.56ppb
NO2
0.16ppm
CO
AQI 44
Good
3.75μg/m³
PM2.5
16.68μg/m³
PM10
47.18ppb
O3
0.25ppb
SO2
2.54ppb
NO2
0.16ppm
CO
AQI 44
Good
3.73μg/m³
PM2.5
16.62μg/m³
PM10
47.16ppb
O3
0.25ppb
SO2
2.54ppb
NO2
0.16ppm
CO
AQI 44
Good
3.76μg/m³
PM2.5
16.78μg/m³
PM10
47.20ppb
O3
0.25ppb
SO2
2.55ppb
NO2
0.16ppm
CO
Air quality data and pollutant measurements for Pennsylvania, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Carlisle, Pennsylvania is updated every hour.
The worst air quality in Carlisle, Pennsylvania in the last 24 hours was observed at 11:00:00 on 2026-07-22.
In the last 24 hrs, the best air quality in Carlisle, Pennsylvania was observed at 11:00:00 on 2026-07-23.
The current air quality in Carlisle, Pennsylvania is 42, categorized as Good based on real-time data.
The most common pollutant in Carlisle, Pennsylvania is O3.
If the air quality in Carlisle, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Carlisle, Pennsylvania is 3.578 μg/m3.
The current PM10 concentration at Carlisle, Pennsylvania is 15.848 μg/m3.
The current carbon monoxide (CO) concentration at Carlisle, Pennsylvania is 0.157 ppm.
The current sulfur dioxide (SO2) concentration at Carlisle, Pennsylvania is 0.263 ppb.
The current ozone (O3) concentration at Carlisle, Pennsylvania is 44.739 ppm.
The current nitrogen dioxide (NO2) concentration at Carlisle, Pennsylvania is 2.462 ppb.
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