Stay updated with real-time air quality in Glastonbury, 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)
58
Moderate
Glastonbury, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.70 μg/m³
0
55
155
255
425
605+
22.86 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
14.41 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Glastonbury, Connecticut
Glastonbury, Connecticut
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AQI 99
Moderate
35.40μg/m³
PM2.5
49.27μg/m³
PM10
41.32ppb
O3
0.35ppb
SO2
9.42ppb
NO2
0.55ppm
CO
AQI 97
Moderate
33.69μg/m³
PM2.5
58.50μg/m³
PM10
36.57ppb
O3
0.31ppb
SO2
7.89ppb
NO2
0.50ppm
CO
AQI 105
Unhealthy for sensitive groups
36.69μg/m³
PM2.5
49.40μg/m³
PM10
41.59ppb
O3
0.33ppb
SO2
6.97ppb
NO2
0.55ppm
CO
AQI 77
Moderate
22.72μg/m³
PM2.5
81.37μg/m³
PM10
37.28ppb
O3
0.38ppb
SO2
8.38ppb
NO2
0.47ppm
CO
AQI 90
Moderate
29.70μg/m³
PM2.5
45.81μg/m³
PM10
40.31ppb
O3
0.36ppb
SO2
8.12ppb
NO2
0.45ppm
CO
AQI 92
Moderate
30.64μg/m³
PM2.5
57.24μg/m³
PM10
42.49ppb
O3
0.37ppb
SO2
8.58ppb
NO2
0.45ppm
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 Glastonbury, Connecticut is updated every hour.
The worst air quality in Glastonbury, Connecticut in the last 24 hours was observed at 01:00:00 on 2025-07-27.
In the last 24 hrs, the best air quality in Glastonbury, Connecticut was observed at 01:00:00 on 2025-07-27.
The current air quality in Glastonbury, Connecticut is 97, categorized as Moderate based on real-time data.
The most common pollutant in Glastonbury, Connecticut is PM2.5.
If the air quality in Glastonbury, Connecticut is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Glastonbury, Connecticut is 34.301 μg/m3.
The current PM10 concentration at Glastonbury, Connecticut is 52.924 μg/m3.
The current carbon monoxide (CO) concentration at Glastonbury, Connecticut is 0.516 ppm.
The current sulfur dioxide (SO2) concentration at Glastonbury, Connecticut is 0.347 ppb.
The current ozone (O3) concentration at Glastonbury, Connecticut is 41.403 ppm.
The current nitrogen dioxide (NO2) concentration at Glastonbury, Connecticut is 8.117 ppb.
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