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)
58
Moderate
Ridgefield, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.74 μg/m³
0
55
155
255
425
605+
19.57 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
19.63 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ridgefield, Connecticut
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AQI 29
Good
3.74μg/m³
PM2.5
15.08μg/m³
PM10
30.60ppb
O3
0.87ppb
SO2
6.42ppb
NO2
0.17ppm
CO
AQI 32
Good
3.32μg/m³
PM2.5
10.05μg/m³
PM10
35.17ppb
O3
0.75ppb
SO2
5.98ppb
NO2
0.17ppm
CO
AQI 35
Good
3.78μg/m³
PM2.5
9.28μg/m³
PM10
37.87ppb
O3
0.69ppb
SO2
5.96ppb
NO2
0.17ppm
CO
AQI 35
Good
3.80μg/m³
PM2.5
9.02μg/m³
PM10
37.98ppb
O3
0.71ppb
SO2
5.94ppb
NO2
0.17ppm
CO
AQI 35
Good
3.33μg/m³
PM2.5
9.93μg/m³
PM10
38.00ppb
O3
0.56ppb
SO2
4.41ppb
NO2
0.17ppm
CO
AQI 29
Good
3.17μg/m³
PM2.5
9.14μg/m³
PM10
31.41ppb
O3
0.95ppb
SO2
6.38ppb
NO2
0.17ppm
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 11:00:00, 2025-07-23.
The best air quality in Ridgefield, Connecticut was observed at 04:00:00 on 2025-07-23.
The air quality in Ridgefield, Connecticut right now is Good, with an AQI of 28.
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 3.61 μg/m3.
Ridgefield, Connecticut currently has a PM10 concentration of 16.478 μg/m3.
The current carbon monoxide (CO) level in Ridgefield, Connecticut is 0.209 ppm.
The current sulfur dioxide (SO2) concentration in Ridgefield, Connecticut is 0.842 ppb.
Ridgefield, Connecticut currently has an ozone (O3) concentration of 29.564 ppm.
The current level of nitrogen dioxide (NO2) in Ridgefield, Connecticut is 6.544 ppb.
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