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)
38
Good
Ridgefield, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.16 μg/m³
0
55
155
255
425
605+
26.68 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
4.87 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ridgefield, Connecticut
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AQI 38
Good
6.85μg/m³
PM2.5
12.35μg/m³
PM10
26.38ppb
O3
0.37ppb
SO2
4.90ppb
NO2
0.25ppm
CO
AQI 38
Good
6.98μg/m³
PM2.5
14.16μg/m³
PM10
26.29ppb
O3
0.33ppb
SO2
4.41ppb
NO2
0.25ppm
CO
AQI 44
Good
7.68μg/m³
PM2.5
15.62μg/m³
PM10
27.91ppb
O3
0.29ppb
SO2
4.98ppb
NO2
0.21ppm
CO
AQI 44
Good
7.70μg/m³
PM2.5
15.03μg/m³
PM10
28.00ppb
O3
0.29ppb
SO2
5.03ppb
NO2
0.21ppm
CO
AQI 44
Good
7.93μg/m³
PM2.5
27.83μg/m³
PM10
26.32ppb
O3
0.28ppb
SO2
3.92ppb
NO2
0.22ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
13.98μg/m³
PM10
26.68ppb
O3
0.40ppb
SO2
4.88ppb
NO2
0.25ppm
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 07:00:00, 2026-08-14.
The best air quality in Ridgefield, Connecticut was observed at 05:00:00 on 2026-08-14.
The air quality in Ridgefield, Connecticut right now is Good, with an AQI of 38.
In Ridgefield, Connecticut, PM2.5 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 6.963 μg/m3.
Ridgefield, Connecticut currently has a PM10 concentration of 14.165 μg/m3.
The current carbon monoxide (CO) level in Ridgefield, Connecticut is 0.217 ppm.
The current sulfur dioxide (SO2) concentration in Ridgefield, Connecticut is 0.295 ppb.
Ridgefield, Connecticut currently has an ozone (O3) concentration of 26.675 ppm.
The current level of nitrogen dioxide (NO2) in Ridgefield, Connecticut is 4.867 ppb.
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