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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.40 μg/m³
0
55
155
255
425
605+
45.45 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
7.03 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
West Norriton, Pennsylvania
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AQI 39
Good
3.75μg/m³
PM2.5
16.64μg/m³
PM10
41.85ppb
O3
0.49ppb
SO2
7.31ppb
NO2
0.36ppm
CO
AQI 37
Good
3.81μg/m³
PM2.5
16.32μg/m³
PM10
39.67ppb
O3
0.40ppb
SO2
5.82ppb
NO2
0.35ppm
CO
AQI 38
Good
4.19μg/m³
PM2.5
18.58μg/m³
PM10
40.86ppb
O3
0.52ppb
SO2
8.19ppb
NO2
0.38ppm
CO
AQI 39
Good
3.95μg/m³
PM2.5
17.52μg/m³
PM10
41.65ppb
O3
0.51ppb
SO2
7.62ppb
NO2
0.37ppm
CO
AQI 39
Good
3.69μg/m³
PM2.5
16.37μg/m³
PM10
41.91ppb
O3
0.49ppb
SO2
7.22ppb
NO2
0.36ppm
CO
AQI 38
Good
4.57μg/m³
PM2.5
20.27μg/m³
PM10
40.99ppb
O3
0.55ppb
SO2
8.56ppb
NO2
0.38ppm
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 Norriton, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in West Norriton, Pennsylvania was at its worst at 02:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in West Norriton, Pennsylvania was observed at 03:00:00 on 2026-03-09.
As of now, the AQI in West Norriton, Pennsylvania is 42, indicating Good conditions.
West Norriton, Pennsylvania air has the highest levels of O3.
Poor air quality in West Norriton, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in West Norriton, Pennsylvania are currently 3.944 μg/m3.
The PM10 concentration in West Norriton, Pennsylvania is 17.404 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Norriton, Pennsylvania is 0.334 ppm.
Currently, West Norriton, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.614 ppb.
The current ozone (O3) level in West Norriton, Pennsylvania at the moment is 45.453 ppm.
Nitrogen dioxide (NO2) level in West Norriton, Pennsylvania at the moment is 7.033 ppb.
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