Stay updated with real-time air quality in Upper Uwchlan, 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)
26
Good
Upper Uwchlan, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.45 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.22 μg/m³
0
55
155
255
425
605+
28.36 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
6.22 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Upper Uwchlan, Pennsylvania
Upper Uwchlan, Pennsylvania
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AQI 27
Good
3.37μg/m³
PM2.5
13.64μg/m³
PM10
28.95ppb
O3
0.68ppb
SO2
6.44ppb
NO2
0.25ppm
CO
AQI 26
Good
3.40μg/m³
PM2.5
13.88μg/m³
PM10
28.18ppb
O3
0.66ppb
SO2
6.25ppb
NO2
0.25ppm
CO
AQI 24
Good
3.31μg/m³
PM2.5
13.16μg/m³
PM10
26.36ppb
O3
0.69ppb
SO2
6.56ppb
NO2
0.25ppm
CO
AQI 24
Good
3.68μg/m³
PM2.5
13.72μg/m³
PM10
26.45ppb
O3
0.63ppb
SO2
6.10ppb
NO2
0.25ppm
CO
AQI 23
Good
4.02μg/m³
PM2.5
18.16μg/m³
PM10
25.01ppb
O3
0.74ppb
SO2
6.62ppb
NO2
0.26ppm
CO
AQI 24
Good
3.36μg/m³
PM2.5
13.52μg/m³
PM10
26.29ppb
O3
0.65ppb
SO2
6.23ppb
NO2
0.25ppm
CO
The air quality data for Pennsylvania, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Upper Uwchlan, Pennsylvania are available every hour.
Upper Uwchlan, Pennsylvania experienced its worst air quality at 10:00:00, 2026-06-07.
The best air quality in Upper Uwchlan, Pennsylvania was observed at 11:00:00 on 2026-06-08.
The air quality in Upper Uwchlan, Pennsylvania right now is Good, with an AQI of 26.
In Upper Uwchlan, Pennsylvania, O3 is the most frequently found pollutant.
When air quality in Upper Uwchlan, Pennsylvania is compromised, staying indoors and wearing a mask can reduce health risks.
Upper Uwchlan, Pennsylvania currently has a PM2.5 concentration of 3.452 μg/m3.
Upper Uwchlan, Pennsylvania currently has a PM10 concentration of 14.222 μg/m3.
The current carbon monoxide (CO) level in Upper Uwchlan, Pennsylvania is 0.25 ppm.
The current sulfur dioxide (SO2) concentration in Upper Uwchlan, Pennsylvania is 0.673 ppb.
Upper Uwchlan, Pennsylvania currently has an ozone (O3) concentration of 28.361 ppm.
The current level of nitrogen dioxide (NO2) in Upper Uwchlan, Pennsylvania is 6.22 ppb.
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