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)
22
Good
Middletown, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.31 μg/m³
0
55
155
255
425
605+
23.49 ppb
0
55
71
86
201
201+
1.01 ppb
0
36
76
186
605
1005+
10.98 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Middletown, Ohio
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AQI 22
Good
3.94μg/m³
PM2.5
17.25μg/m³
PM10
21.63ppb
O3
1.01ppb
SO2
12.30ppb
NO2
0.24ppm
CO
AQI 22
Good
3.95μg/m³
PM2.5
16.84μg/m³
PM10
21.62ppb
O3
1.01ppb
SO2
12.29ppb
NO2
0.24ppm
CO
AQI 22
Good
3.97μg/m³
PM2.5
16.37μg/m³
PM10
21.61ppb
O3
1.01ppb
SO2
12.26ppb
NO2
0.24ppm
CO
AQI 22
Good
3.68μg/m³
PM2.5
15.58μg/m³
PM10
22.35ppb
O3
1.08ppb
SO2
11.69ppb
NO2
0.23ppm
CO
AQI 22
Good
4.00μg/m³
PM2.5
17.48μg/m³
PM10
22.93ppb
O3
1.08ppb
SO2
11.59ppb
NO2
0.22ppm
CO
AQI 19
Good
3.02μg/m³
PM2.5
12.79μg/m³
PM10
21.43ppb
O3
0.96ppb
SO2
12.09ppb
NO2
0.24ppm
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 06:00:00 on 2026-01-23.
The best air quality in Middletown, Ohio was recorded at 03:00:00 on 2026-01-23.
The real-time air quality index in Middletown, Ohio is 22, currently categorized as Good.
The most common pollutant in Middletown, Ohio is PM2.5.
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 3.957 μg/m3.
The current PM10 levels in Middletown, Ohio are 16.307 μg/m3.
The current carbon monoxide (CO) level in Middletown, Ohio is 0.222 ppm.
The current sulfur dioxide (SO2) levels in Middletown, Ohio are 1.013 ppb.
The current ozone (O3) levels at Middletown, Ohio is 23.489 ppm.
The current nitrogen dioxide (NO2) levels at Middletown, Ohio is 10.982 ppb.
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