Stay updated with real-time air quality in Upper Gwynedd, 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)
27
Good
Upper Gwynedd, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.05 μg/m³
0
55
155
255
425
605+
11.11 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
9.34 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Upper Gwynedd, Pennsylvania
Upper Gwynedd, Pennsylvania
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AQI 33
Good
6.28μg/m³
PM2.5
27.83μg/m³
PM10
10.11ppb
O3
0.56ppb
SO2
7.91ppb
NO2
0.38ppm
CO
AQI 33
Good
6.03μg/m³
PM2.5
33.02μg/m³
PM10
10.01ppb
O3
0.55ppb
SO2
7.77ppb
NO2
0.38ppm
CO
AQI 33
Good
6.22μg/m³
PM2.5
25.18μg/m³
PM10
9.59ppb
O3
0.57ppb
SO2
9.08ppb
NO2
0.38ppm
CO
AQI 27
Good
5.11μg/m³
PM2.5
22.71μg/m³
PM10
10.26ppb
O3
0.61ppb
SO2
9.81ppb
NO2
0.38ppm
CO
AQI 27
Good
4.96μg/m³
PM2.5
22.10μg/m³
PM10
9.81ppb
O3
0.60ppb
SO2
10.48ppb
NO2
0.38ppm
CO
AQI 27
Good
5.34μg/m³
PM2.5
22.32μg/m³
PM10
11.69ppb
O3
0.64ppb
SO2
8.75ppb
NO2
0.39ppm
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 Gwynedd, Pennsylvania are available every hour.
Upper Gwynedd, Pennsylvania experienced its worst air quality at 11:00:00, 2026-09-07.
The best air quality in Upper Gwynedd, Pennsylvania was observed at 03:00:00 on 2026-09-07.
The air quality in Upper Gwynedd, Pennsylvania right now is Good, with an AQI of 27.
In Upper Gwynedd, Pennsylvania, PM2.5 is the most frequently found pollutant.
When air quality in Upper Gwynedd, Pennsylvania is compromised, staying indoors and wearing a mask can reduce health risks.
Upper Gwynedd, Pennsylvania currently has a PM2.5 concentration of 5.209 μg/m3.
Upper Gwynedd, Pennsylvania currently has a PM10 concentration of 22.047 μg/m3.
The current carbon monoxide (CO) level in Upper Gwynedd, Pennsylvania is 0.387 ppm.
The current sulfur dioxide (SO2) concentration in Upper Gwynedd, Pennsylvania is 0.63 ppb.
Upper Gwynedd, Pennsylvania currently has an ozone (O3) concentration of 11.113 ppm.
The current level of nitrogen dioxide (NO2) in Upper Gwynedd, Pennsylvania is 9.338 ppb.
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