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)
27
Good
Middletown, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.87 μg/m³
0
55
155
255
425
605+
25.04 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
7.37 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Middletown, Connecticut
Middletown, Connecticut
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AQI 33
Good
5.61μg/m³
PM2.5
20.80μg/m³
PM10
24.87ppb
O3
0.19ppb
SO2
7.86ppb
NO2
0.30ppm
CO
AQI 38
Good
6.81μg/m³
PM2.5
14.78μg/m³
PM10
25.81ppb
O3
0.33ppb
SO2
8.67ppb
NO2
0.30ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
15.96μg/m³
PM10
32.18ppb
O3
0.20ppb
SO2
7.00ppb
NO2
0.31ppm
CO
AQI 27
Good
5.28μg/m³
PM2.5
19.22μg/m³
PM10
27.21ppb
O3
0.19ppb
SO2
10.26ppb
NO2
0.29ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
16.64μg/m³
PM10
29.86ppb
O3
0.32ppb
SO2
8.66ppb
NO2
0.27ppm
CO
AQI 38
Good
6.81μg/m³
PM2.5
14.78μg/m³
PM10
25.81ppb
O3
0.33ppb
SO2
8.67ppb
NO2
0.30ppm
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 10:00:00 on 2025-09-13.
In the last 24 hours, the best air quality in Middletown, Connecticut was observed at 07:00:00 on 2025-09-14.
As of now, the AQI in Middletown, Connecticut is 27, indicating Good 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 5.442 μg/m3.
The PM10 concentration in Middletown, Connecticut is 21.867 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Middletown, Connecticut is 0.287 ppm.
Currently, Middletown, Connecticut has a sulfur dioxide (SO2) concentration of 0.185 ppb.
The current ozone (O3) level in Middletown, Connecticut at the moment is 25.037 ppm.
Nitrogen dioxide (NO2) level in Middletown, Connecticut at the moment is 7.372 ppb.
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