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)
33
Good
Waterford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.24 μg/m³
0
55
155
255
425
605+
27.93 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
5.17 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Waterford, Connecticut
Waterford, Connecticut
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AQI 33
Good
5.70μg/m³
PM2.5
11.02μg/m³
PM10
27.99ppb
O3
0.18ppb
SO2
5.20ppb
NO2
0.21ppm
CO
AQI 33
Good
5.70μg/m³
PM2.5
11.02μg/m³
PM10
27.99ppb
O3
0.18ppb
SO2
5.20ppb
NO2
0.21ppm
CO
AQI 27
Good
5.44μg/m³
PM2.5
11.14μg/m³
PM10
26.67ppb
O3
0.18ppb
SO2
6.34ppb
NO2
0.20ppm
CO
AQI 33
Good
5.58μg/m³
PM2.5
11.62μg/m³
PM10
27.68ppb
O3
0.19ppb
SO2
5.08ppb
NO2
0.21ppm
CO
AQI 27
Good
5.18μg/m³
PM2.5
11.38μg/m³
PM10
27.48ppb
O3
0.21ppb
SO2
5.05ppb
NO2
0.21ppm
CO
AQI 27
Good
4.43μg/m³
PM2.5
15.35μg/m³
PM10
29.02ppb
O3
0.18ppb
SO2
6.27ppb
NO2
0.21ppm
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 11:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in Waterford, Connecticut was observed at 05:00:00 on 2026-08-14.
As of now, the AQI in Waterford, Connecticut is 33, 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 5.674 μg/m3.
The PM10 concentration in Waterford, Connecticut is 11.243 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waterford, Connecticut is 0.207 ppm.
Currently, Waterford, Connecticut has a sulfur dioxide (SO2) concentration of 0.183 ppb.
The current ozone (O3) level in Waterford, Connecticut at the moment is 27.929 ppm.
Nitrogen dioxide (NO2) level in Waterford, Connecticut at the moment is 5.168 ppb.
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