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)
26
Good
Ridgefield, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.82 μg/m³
0
55
155
255
425
605+
27.82 ppb
0
55
71
86
201
201+
1.01 ppb
0
36
76
186
605
1005+
7.47 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ridgefield, Connecticut
Scroll To Air Quality MapLoading...
AQI 22
Good
4.38μg/m³
PM2.5
20.15μg/m³
PM10
23.77ppb
O3
1.21ppb
SO2
10.69ppb
NO2
0.30ppm
CO
AQI 26
Good
4.25μg/m³
PM2.5
16.86μg/m³
PM10
27.56ppb
O3
1.00ppb
SO2
8.32ppb
NO2
0.30ppm
CO
AQI 24
Good
4.31μg/m³
PM2.5
8.52μg/m³
PM10
26.14ppb
O3
0.80ppb
SO2
5.15ppb
NO2
0.28ppm
CO
AQI 24
Good
4.30μg/m³
PM2.5
8.04μg/m³
PM10
26.00ppb
O3
0.81ppb
SO2
5.18ppb
NO2
0.28ppm
CO
AQI 26
Good
4.33μg/m³
PM2.5
15.15μg/m³
PM10
28.48ppb
O3
0.80ppb
SO2
5.27ppb
NO2
0.30ppm
CO
AQI 22
Good
4.46μg/m³
PM2.5
20.21μg/m³
PM10
23.78ppb
O3
1.36ppb
SO2
11.03ppb
NO2
0.31ppm
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, 2025-07-13.
The best air quality in Ridgefield, Connecticut was observed at 11:00:00 on 2025-07-14.
The air quality in Ridgefield, Connecticut right now is Good, with an AQI of 26.
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 4.318 μg/m3.
Ridgefield, Connecticut currently has a PM10 concentration of 18.819 μg/m3.
The current carbon monoxide (CO) level in Ridgefield, Connecticut is 0.294 ppm.
The current sulfur dioxide (SO2) concentration in Ridgefield, Connecticut is 1.008 ppb.
Ridgefield, Connecticut currently has an ozone (O3) concentration of 27.823 ppm.
The current level of nitrogen dioxide (NO2) in Ridgefield, Connecticut is 7.474 ppb.
All Rights Reserved © Ambee Inc. 2025