Stay updated with real-time air quality in Waterford, 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)
52
Moderate
Waterford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.54 μg/m³
0
55
155
255
425
605+
28.16 ppb
0
55
71
86
201
201+
8.04 ppb
0
36
76
186
605
1005+
13.07 ppb
0
54
101
361
1250
2050+
1.01 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Waterford, Connecticut
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AQI 52
Moderate
10.48μg/m³
PM2.5
17.04μg/m³
PM10
28.22ppb
O3
8.15ppb
SO2
12.81ppb
NO2
1.02ppm
CO
AQI 52
Moderate
10.48μg/m³
PM2.5
17.04μg/m³
PM10
28.22ppb
O3
8.15ppb
SO2
12.81ppb
NO2
1.02ppm
CO
AQI 44
Good
8.26μg/m³
PM2.5
32.42μg/m³
PM10
29.97ppb
O3
6.80ppb
SO2
15.59ppb
NO2
0.90ppm
CO
AQI 52
Moderate
10.14μg/m³
PM2.5
18.68μg/m³
PM10
28.07ppb
O3
7.83ppb
SO2
13.60ppb
NO2
0.99ppm
CO
AQI 52
Moderate
9.56μg/m³
PM2.5
18.93μg/m³
PM10
27.98ppb
O3
9.01ppb
SO2
13.73ppb
NO2
1.05ppm
CO
AQI 38
Good
7.27μg/m³
PM2.5
30.20μg/m³
PM10
26.84ppb
O3
8.87ppb
SO2
15.02ppb
NO2
1.12ppm
CO
Air quality and pollutant data for Connecticut, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Waterford, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in Waterford, Connecticut was at its worst at 04:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in Waterford, Connecticut was observed at 08:00:00 on 2026-02-10.
As of now, the AQI in Waterford, Connecticut is 52, indicating Moderate conditions.
Waterford, Connecticut air has the highest levels of PM2.5.
Poor air quality in Waterford, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Waterford, Connecticut are currently 10.397 μg/m3.
The PM10 concentration in Waterford, Connecticut is 17.535 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waterford, Connecticut is 1.014 ppm.
Currently, Waterford, Connecticut has a sulfur dioxide (SO2) concentration of 8.043 ppb.
The current ozone (O3) level in Waterford, Connecticut at the moment is 28.157 ppm.
Nitrogen dioxide (NO2) level in Waterford, Connecticut at the moment is 13.069 ppb.
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