Stay updated with real-time air quality in Dayton, 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)
60
Moderate
Dayton, Ohio
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
14.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.02 μg/m³
0
55
155
255
425
605+
37.55 ppb
0
55
71
86
201
201+
1.50 ppb
0
36
76
186
605
1005+
7.38 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Dayton, Ohio
Scroll To Air Quality MapLoading...
AQI 29
Good
4.72μg/m³
PM2.5
12.51μg/m³
PM10
30.68ppb
O3
1.55ppb
SO2
5.62ppb
NO2
0.12ppm
CO
AQI 29
Good
4.72μg/m³
PM2.5
12.94μg/m³
PM10
30.57ppb
O3
1.56ppb
SO2
5.59ppb
NO2
0.12ppm
CO
AQI 30
Good
4.84μg/m³
PM2.5
13.99μg/m³
PM10
31.91ppb
O3
1.59ppb
SO2
5.68ppb
NO2
0.12ppm
CO
AQI 31
Good
5.28μg/m³
PM2.5
18.56μg/m³
PM10
32.78ppb
O3
1.56ppb
SO2
6.00ppb
NO2
0.12ppm
CO
AQI 28
Good
4.66μg/m³
PM2.5
14.06μg/m³
PM10
29.93ppb
O3
1.60ppb
SO2
5.32ppb
NO2
0.13ppm
CO
AQI 28
Good
4.63μg/m³
PM2.5
16.73μg/m³
PM10
29.98ppb
O3
1.54ppb
SO2
5.68ppb
NO2
0.12ppm
CO
Air quality data and pollutant measurements for Ohio, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Dayton, Ohio is updated every hour.
The worst air quality in Dayton, Ohio in the last 24 hours was observed at 05:00:00 on 2025-09-03.
In the last 24 hrs, the best air quality in Dayton, Ohio was observed at 09:00:00 on 2025-09-04.
The current air quality in Dayton, Ohio is 28, categorized as Good based on real-time data.
The most common pollutant in Dayton, Ohio is O3.
If the air quality in Dayton, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Dayton, Ohio is 4.701 μg/m3.
The current PM10 concentration at Dayton, Ohio is 12.011 μg/m3.
The current carbon monoxide (CO) concentration at Dayton, Ohio is 0.121 ppm.
The current sulfur dioxide (SO2) concentration at Dayton, Ohio is 1.527 ppb.
The current ozone (O3) concentration at Dayton, Ohio is 30.446 ppm.
The current nitrogen dioxide (NO2) concentration at Dayton, Ohio is 5.668 ppb.
All Rights Reserved © Ambee Inc. 2025