Stay updated with real-time air quality in Middletown, 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)
44
Good
Middletown, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.21 μg/m³
0
55
155
255
425
605+
42.31 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
13.17 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Middletown, Connecticut
Middletown, Connecticut
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AQI 56
Moderate
11.63μg/m³
PM2.5
50.47μg/m³
PM10
54.30ppb
O3
0.48ppb
SO2
18.38ppb
NO2
0.29ppm
CO
AQI 60
Moderate
13.81μg/m³
PM2.5
69.35μg/m³
PM10
50.70ppb
O3
0.47ppb
SO2
10.80ppb
NO2
0.29ppm
CO
AQI 64
Moderate
12.85μg/m³
PM2.5
68.93μg/m³
PM10
59.36ppb
O3
0.46ppb
SO2
11.04ppb
NO2
0.29ppm
CO
AQI 64
Moderate
11.16μg/m³
PM2.5
52.63μg/m³
PM10
58.87ppb
O3
0.46ppb
SO2
17.81ppb
NO2
0.30ppm
CO
AQI 60
Moderate
13.73μg/m³
PM2.5
69.92μg/m³
PM10
45.67ppb
O3
0.55ppb
SO2
14.10ppb
NO2
0.30ppm
CO
AQI 60
Moderate
13.81μg/m³
PM2.5
69.35μg/m³
PM10
50.70ppb
O3
0.47ppb
SO2
10.80ppb
NO2
0.29ppm
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 Middletown, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in Middletown, Connecticut was at its worst at 12:00:00 on 2025-07-29.
In the last 24 hours, the best air quality in Middletown, Connecticut was observed at 07:00:00 on 2025-07-29.
As of now, the AQI in Middletown, Connecticut is 58, indicating Moderate conditions.
Middletown, Connecticut air has the highest levels of PM2.5.
Poor air quality in Middletown, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Middletown, Connecticut are currently 13.038 μg/m3.
The PM10 concentration in Middletown, Connecticut is 36.909 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Middletown, Connecticut is 0.241 ppm.
Currently, Middletown, Connecticut has a sulfur dioxide (SO2) concentration of 0.541 ppb.
The current ozone (O3) level in Middletown, Connecticut at the moment is 51.628 ppm.
Nitrogen dioxide (NO2) level in Middletown, Connecticut at the moment is 18.054 ppb.
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