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)
27
Good
Ridley, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.23 μg/m³
0
55
155
255
425
605+
11.78 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
8.37 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Ridley, Pennsylvania
Ridley, Pennsylvania
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AQI 27
Good
5.08μg/m³
PM2.5
21.76μg/m³
PM10
13.59ppb
O3
0.53ppb
SO2
9.35ppb
NO2
0.37ppm
CO
AQI 27
Good
5.31μg/m³
PM2.5
22.66μg/m³
PM10
13.98ppb
O3
0.54ppb
SO2
9.31ppb
NO2
0.37ppm
CO
AQI 33
Good
5.70μg/m³
PM2.5
24.57μg/m³
PM10
10.62ppb
O3
0.60ppb
SO2
6.19ppb
NO2
0.36ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
25.32μg/m³
PM10
11.06ppb
O3
0.61ppb
SO2
5.34ppb
NO2
0.35ppm
CO
AQI 27
Good
4.72μg/m³
PM2.5
19.97μg/m³
PM10
13.78ppb
O3
0.52ppb
SO2
9.54ppb
NO2
0.37ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
25.32μg/m³
PM10
11.06ppb
O3
0.61ppb
SO2
5.34ppb
NO2
0.35ppm
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 11:00:00 on 2026-09-07.
The best air quality in Ridley, Pennsylvania was recorded at 08:00:00 on 2026-09-07.
The real-time air quality index in Ridley, Pennsylvania is 27, currently categorized as Good.
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 5.47 μg/m3.
The current PM10 levels in Ridley, Pennsylvania are 23.225 μg/m3.
The current carbon monoxide (CO) level in Ridley, Pennsylvania is 0.345 ppm.
The current sulfur dioxide (SO2) levels in Ridley, Pennsylvania are 0.598 ppb.
The current ozone (O3) levels at Ridley, Pennsylvania is 11.781 ppm.
The current nitrogen dioxide (NO2) levels at Ridley, Pennsylvania is 8.371 ppb.
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