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)
22
Good
Waterford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.54 μg/m³
0
55
155
255
425
605+
22.33 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
7.91 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Waterford, Connecticut
Waterford, Connecticut
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AQI 44
Good
8.30μg/m³
PM2.5
13.08μg/m³
PM10
31.18ppb
O3
0.27ppb
SO2
13.19ppb
NO2
0.39ppm
CO
AQI 44
Good
8.30μg/m³
PM2.5
13.08μg/m³
PM10
31.18ppb
O3
0.27ppb
SO2
13.19ppb
NO2
0.39ppm
CO
AQI 44
Good
7.94μg/m³
PM2.5
18.31μg/m³
PM10
28.84ppb
O3
0.28ppb
SO2
15.61ppb
NO2
0.38ppm
CO
AQI 49
Good
8.63μg/m³
PM2.5
15.45μg/m³
PM10
28.13ppb
O3
0.28ppb
SO2
13.52ppb
NO2
0.40ppm
CO
AQI 44
Good
8.02μg/m³
PM2.5
16.81μg/m³
PM10
27.36ppb
O3
0.28ppb
SO2
13.57ppb
NO2
0.40ppm
CO
AQI 44
Good
8.34μg/m³
PM2.5
24.58μg/m³
PM10
29.98ppb
O3
0.31ppb
SO2
13.09ppb
NO2
0.39ppm
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 07:00:00 on 2025-11-03.
In the last 24 hours, the best air quality in Waterford, Connecticut was observed at 02:00:00 on 2025-11-02.
As of now, the AQI in Waterford, Connecticut is 44, indicating Good 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 8.408 μg/m3.
The PM10 concentration in Waterford, Connecticut is 13.745 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waterford, Connecticut is 0.389 ppm.
Currently, Waterford, Connecticut has a sulfur dioxide (SO2) concentration of 0.271 ppb.
The current ozone (O3) level in Waterford, Connecticut at the moment is 30.214 ppm.
Nitrogen dioxide (NO2) level in Waterford, Connecticut at the moment is 13.288 ppb.
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