Stay updated with real-time air quality in Tolland, 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)
49
Good
Tolland, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.28 μg/m³
0
55
155
255
425
605+
32.33 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
15.02 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Tolland, Connecticut
Tolland, Connecticut
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AQI 49
Good
9.07μg/m³
PM2.5
34.19μg/m³
PM10
42.54ppb
O3
0.20ppb
SO2
8.82ppb
NO2
0.33ppm
CO
AQI 54
Moderate
11.35μg/m³
PM2.5
48.66μg/m³
PM10
47.55ppb
O3
0.24ppb
SO2
10.12ppb
NO2
0.34ppm
CO
AQI 49
Good
8.96μg/m³
PM2.5
48.34μg/m³
PM10
46.18ppb
O3
0.23ppb
SO2
9.34ppb
NO2
0.35ppm
CO
AQI 49
Good
8.95μg/m³
PM2.5
38.27μg/m³
PM10
43.10ppb
O3
0.20ppb
SO2
8.20ppb
NO2
0.32ppm
CO
AQI 49
Good
8.93μg/m³
PM2.5
37.44μg/m³
PM10
42.63ppb
O3
0.20ppb
SO2
8.31ppb
NO2
0.32ppm
CO
AQI 54
Moderate
11.27μg/m³
PM2.5
59.08μg/m³
PM10
45.06ppb
O3
0.24ppb
SO2
10.45ppb
NO2
0.33ppm
CO
Air quality data and pollutant measurements for Connecticut, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Tolland, Connecticut is updated every hour.
The worst air quality in Tolland, Connecticut in the last 24 hours was observed at 12:00:00 on 2025-07-31.
In the last 24 hrs, the best air quality in Tolland, Connecticut was observed at 11:00:00 on 2025-07-30.
The current air quality in Tolland, Connecticut is 54, categorized as Moderate based on real-time data.
The most common pollutant in Tolland, Connecticut is PM2.5.
If the air quality in Tolland, Connecticut is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Tolland, Connecticut is 11.228 μg/m3.
The current PM10 concentration at Tolland, Connecticut is 48.579 μg/m3.
The current carbon monoxide (CO) concentration at Tolland, Connecticut is 0.337 ppm.
The current sulfur dioxide (SO2) concentration at Tolland, Connecticut is 0.226 ppb.
The current ozone (O3) concentration at Tolland, Connecticut is 46.707 ppm.
The current nitrogen dioxide (NO2) concentration at Tolland, Connecticut is 11.149 ppb.
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