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)
54
Moderate
Waterford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.13 μg/m³
0
55
155
255
425
605+
39.94 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
7.43 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Waterford, Connecticut
Waterford, Connecticut
Scroll To Air Quality MapLoading...
AQI 54
Moderate
10.88μg/m³
PM2.5
16.11μg/m³
PM10
39.99ppb
O3
0.28ppb
SO2
7.58ppb
NO2
0.19ppm
CO
AQI 54
Moderate
10.88μg/m³
PM2.5
16.11μg/m³
PM10
39.99ppb
O3
0.28ppb
SO2
7.58ppb
NO2
0.19ppm
CO
AQI 52
Moderate
9.68μg/m³
PM2.5
42.55μg/m³
PM10
47.52ppb
O3
0.27ppb
SO2
7.24ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.41μg/m³
PM2.5
19.28μg/m³
PM10
39.64ppb
O3
0.28ppb
SO2
7.09ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.28μg/m³
PM2.5
21.99μg/m³
PM10
38.48ppb
O3
0.29ppb
SO2
6.80ppb
NO2
0.18ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
34.77μg/m³
PM10
46.14ppb
O3
0.22ppb
SO2
7.61ppb
NO2
0.20ppm
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 06:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Waterford, Connecticut was observed at 10:00:00 on 2026-06-29.
As of now, the AQI in Waterford, Connecticut is 54, 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 10.723 μg/m3.
The PM10 concentration in Waterford, Connecticut is 17.128 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waterford, Connecticut is 0.186 ppm.
Currently, Waterford, Connecticut has a sulfur dioxide (SO2) concentration of 0.279 ppb.
The current ozone (O3) level in Waterford, Connecticut at the moment is 39.935 ppm.
Nitrogen dioxide (NO2) level in Waterford, Connecticut at the moment is 7.43 ppb.
All Rights Reserved © Ambee Inc. 2025