Stay updated with real-time air quality in Lower 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)
49
Good
Lower Gwynedd, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.48 μg/m³
0
55
155
255
425
605+
51.43 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
4.41 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lower Gwynedd, Pennsylvania
Lower Gwynedd, Pennsylvania
Scroll To Air Quality MapLoading...
AQI 44
Good
7.29μg/m³
PM2.5
32.53μg/m³
PM10
47.76ppb
O3
0.52ppb
SO2
4.95ppb
NO2
0.29ppm
CO
AQI 49
Good
8.80μg/m³
PM2.5
37.38μg/m³
PM10
47.77ppb
O3
0.58ppb
SO2
4.63ppb
NO2
0.28ppm
CO
AQI 44
Good
8.22μg/m³
PM2.5
35.24μg/m³
PM10
46.75ppb
O3
0.56ppb
SO2
4.75ppb
NO2
0.29ppm
CO
AQI 37
Good
5.83μg/m³
PM2.5
28.04μg/m³
PM10
39.73ppb
O3
0.54ppb
SO2
5.56ppb
NO2
0.28ppm
CO
AQI 44
Good
8.30μg/m³
PM2.5
37.17μg/m³
PM10
46.52ppb
O3
0.51ppb
SO2
4.89ppb
NO2
0.30ppm
CO
AQI 44
Good
6.84μg/m³
PM2.5
30.49μg/m³
PM10
48.32ppb
O3
0.52ppb
SO2
5.00ppb
NO2
0.29ppm
CO
Air quality measurements for Pennsylvania, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Lower Gwynedd, Pennsylvania is updated on an hourly basis.
The worst air quality in Lower Gwynedd, Pennsylvania was recorded at 11:00:00 on 2026-08-12.
The best air quality in Lower Gwynedd, Pennsylvania was recorded at 07:00:00 on 2026-08-12.
The real-time air quality index in Lower Gwynedd, Pennsylvania is 49, currently categorized as Good.
The most common pollutant in Lower Gwynedd, Pennsylvania is PM2.5.
If the air quality in Lower Gwynedd, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Lower Gwynedd, Pennsylvania at present are 9.09 μg/m3.
The current PM10 levels in Lower Gwynedd, Pennsylvania are 38.476 μg/m3.
The current carbon monoxide (CO) level in Lower Gwynedd, Pennsylvania is 0.296 ppm.
The current sulfur dioxide (SO2) levels in Lower Gwynedd, Pennsylvania are 0.587 ppb.
The current ozone (O3) levels at Lower Gwynedd, Pennsylvania is 51.433 ppm.
The current nitrogen dioxide (NO2) levels at Lower Gwynedd, Pennsylvania is 4.405 ppb.
All Rights Reserved © Ambee Inc. 2025