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)
84
Moderate
Middletown, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
27.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
103.40 μg/m³
0
55
155
255
425
605+
8.64 ppb
0
55
71
86
201
201+
0.99 ppb
0
36
76
186
605
1005+
11.73 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Middletown, Ohio
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AQI 84
Moderate
27.18μg/m³
PM2.5
111.57μg/m³
PM10
8.65ppb
O3
0.99ppb
SO2
11.75ppb
NO2
0.26ppm
CO
AQI 84
Moderate
27.35μg/m³
PM2.5
103.16μg/m³
PM10
8.65ppb
O3
0.99ppb
SO2
11.74ppb
NO2
0.26ppm
CO
AQI 86
Moderate
27.62μg/m³
PM2.5
90.74μg/m³
PM10
8.64ppb
O3
0.98ppb
SO2
11.71ppb
NO2
0.26ppm
CO
AQI 75
Moderate
22.41μg/m³
PM2.5
81.22μg/m³
PM10
8.68ppb
O3
1.06ppb
SO2
10.98ppb
NO2
0.25ppm
CO
AQI 79
Moderate
24.28μg/m³
PM2.5
47.63μg/m³
PM10
9.09ppb
O3
1.04ppb
SO2
11.23ppb
NO2
0.25ppm
CO
AQI 81
Moderate
24.61μg/m³
PM2.5
94.28μg/m³
PM10
8.73ppb
O3
1.00ppb
SO2
11.54ppb
NO2
0.26ppm
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 10:00:00 on 2025-12-07.
The best air quality in Middletown, Ohio was recorded at 10:00:00 on 2025-12-06.
The real-time air quality index in Middletown, Ohio is 84, currently categorized as Moderate.
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 27.373 μg/m3.
The current PM10 levels in Middletown, Ohio are 103.399 μg/m3.
The current carbon monoxide (CO) level in Middletown, Ohio is 0.26 ppm.
The current sulfur dioxide (SO2) levels in Middletown, Ohio are 0.989 ppb.
The current ozone (O3) levels at Middletown, Ohio is 8.644 ppm.
The current nitrogen dioxide (NO2) levels at Middletown, Ohio is 11.727 ppb.
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