Stay updated with real-time air quality in Middletown, Ohio 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, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.29 μg/m³
0
55
155
255
425
605+
47.18 ppb
0
55
71
86
201
201+
1.79 ppb
0
36
76
186
605
1005+
8.05 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Middletown, Ohio
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AQI 43
Good
5.85μg/m³
PM2.5
24.56μg/m³
PM10
46.26ppb
O3
1.47ppb
SO2
8.41ppb
NO2
0.12ppm
CO
AQI 43
Good
5.74μg/m³
PM2.5
22.49μg/m³
PM10
46.43ppb
O3
1.58ppb
SO2
8.40ppb
NO2
0.12ppm
CO
AQI 43
Good
5.62μg/m³
PM2.5
20.07μg/m³
PM10
46.06ppb
O3
1.55ppb
SO2
8.34ppb
NO2
0.12ppm
CO
AQI 45
Good
4.34μg/m³
PM2.5
13.74μg/m³
PM10
48.98ppb
O3
1.74ppb
SO2
7.88ppb
NO2
0.12ppm
CO
AQI 45
Good
4.34μg/m³
PM2.5
13.62μg/m³
PM10
49.06ppb
O3
1.72ppb
SO2
7.90ppb
NO2
0.12ppm
CO
AQI 44
Good
5.32μg/m³
PM2.5
21.14μg/m³
PM10
47.44ppb
O3
1.70ppb
SO2
8.38ppb
NO2
0.12ppm
CO
Air quality measurements for Ohio, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Middletown, Ohio is updated on an hourly basis.
The worst air quality in Middletown, Ohio was recorded at 05:00:00 on 2026-07-23.
The best air quality in Middletown, Ohio was recorded at 03:00:00 on 2026-07-23.
The real-time air quality index in Middletown, Ohio is 44, currently categorized as Good.
The most common pollutant in Middletown, Ohio is O3.
If the air quality in Middletown, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Middletown, Ohio at present are 5.807 μg/m3.
The current PM10 levels in Middletown, Ohio are 20.285 μg/m3.
The current carbon monoxide (CO) level in Middletown, Ohio is 0.327 ppm.
The current sulfur dioxide (SO2) levels in Middletown, Ohio are 1.79 ppb.
The current ozone (O3) levels at Middletown, Ohio is 47.183 ppm.
The current nitrogen dioxide (NO2) levels at Middletown, Ohio is 8.053 ppb.
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