Stay updated with real-time air quality in Ridgefield, Connecticut 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)
44
Good
Ridgefield, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.78 μg/m³
0
55
155
255
425
605+
47.50 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
4.13 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ridgefield, Connecticut
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AQI 41
Good
6.21μg/m³
PM2.5
19.24μg/m³
PM10
44.06ppb
O3
0.29ppb
SO2
4.00ppb
NO2
0.21ppm
CO
AQI 42
Good
6.19μg/m³
PM2.5
25.21μg/m³
PM10
45.50ppb
O3
0.25ppb
SO2
3.10ppb
NO2
0.21ppm
CO
AQI 49
Good
8.69μg/m³
PM2.5
17.64μg/m³
PM10
53.26ppb
O3
0.24ppb
SO2
3.68ppb
NO2
0.24ppm
CO
AQI 50
Good
8.89μg/m³
PM2.5
17.05μg/m³
PM10
53.95ppb
O3
0.24ppb
SO2
3.73ppb
NO2
0.24ppm
CO
AQI 45
Good
6.55μg/m³
PM2.5
22.04μg/m³
PM10
49.09ppb
O3
0.24ppb
SO2
2.46ppb
NO2
0.23ppm
CO
AQI 42
Good
6.13μg/m³
PM2.5
25.27μg/m³
PM10
45.06ppb
O3
0.30ppb
SO2
4.08ppb
NO2
0.22ppm
CO
The air quality data for Connecticut, 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 Ridgefield, Connecticut are available every hour.
Ridgefield, Connecticut experienced its worst air quality at 09:00:00, 2025-09-13.
The best air quality in Ridgefield, Connecticut was observed at 11:00:00 on 2025-09-13.
The air quality in Ridgefield, Connecticut right now is Good, with an AQI of 44.
In Ridgefield, Connecticut, O3 is the most frequently found pollutant.
When air quality in Ridgefield, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
Ridgefield, Connecticut currently has a PM2.5 concentration of 6.947 μg/m3.
Ridgefield, Connecticut currently has a PM10 concentration of 29.782 μg/m3.
The current carbon monoxide (CO) level in Ridgefield, Connecticut is 0.241 ppm.
The current sulfur dioxide (SO2) concentration in Ridgefield, Connecticut is 0.263 ppb.
Ridgefield, Connecticut currently has an ozone (O3) concentration of 47.501 ppm.
The current level of nitrogen dioxide (NO2) in Ridgefield, Connecticut is 4.13 ppb.
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