Stay updated with real-time air quality in Ridley, 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)
54
Moderate
Ridley, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
48.19 μg/m³
0
55
155
255
425
605+
44.99 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
11.10 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Ridley, Pennsylvania
Ridley, Pennsylvania
Scroll To Air Quality MapLoading...
AQI 52
Moderate
10.13μg/m³
PM2.5
44.93μg/m³
PM10
45.57ppb
O3
0.37ppb
SO2
12.09ppb
NO2
0.24ppm
CO
AQI 54
Moderate
10.77μg/m³
PM2.5
47.93μg/m³
PM10
42.75ppb
O3
0.38ppb
SO2
12.79ppb
NO2
0.24ppm
CO
AQI 56
Moderate
11.96μg/m³
PM2.5
53.35μg/m³
PM10
46.80ppb
O3
0.58ppb
SO2
7.42ppb
NO2
0.24ppm
CO
AQI 56
Moderate
12.14μg/m³
PM2.5
54.08μg/m³
PM10
48.12ppb
O3
0.62ppb
SO2
6.12ppb
NO2
0.23ppm
CO
AQI 49
Good
9.32μg/m³
PM2.5
41.03μg/m³
PM10
48.05ppb
O3
0.34ppb
SO2
11.05ppb
NO2
0.24ppm
CO
AQI 56
Moderate
12.14μg/m³
PM2.5
54.08μg/m³
PM10
48.12ppb
O3
0.62ppb
SO2
6.12ppb
NO2
0.23ppm
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 Ridley, Pennsylvania is updated on an hourly basis.
The worst air quality in Ridley, Pennsylvania was recorded at 03:00:00 on 2026-04-23.
The best air quality in Ridley, Pennsylvania was recorded at 01:00:00 on 2026-04-24.
The real-time air quality index in Ridley, Pennsylvania is 54, currently categorized as Moderate.
The most common pollutant in Ridley, Pennsylvania is PM2.5.
If the air quality in Ridley, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Ridley, Pennsylvania at present are 10.796 μg/m3.
The current PM10 levels in Ridley, Pennsylvania are 48.186 μg/m3.
The current carbon monoxide (CO) level in Ridley, Pennsylvania is 0.239 ppm.
The current sulfur dioxide (SO2) levels in Ridley, Pennsylvania are 0.439 ppb.
The current ozone (O3) levels at Ridley, Pennsylvania is 44.994 ppm.
The current nitrogen dioxide (NO2) levels at Ridley, Pennsylvania is 11.1 ppb.
All Rights Reserved © Ambee Inc. 2025