Stay updated with real-time air quality in Ashland, 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)
27
Good
Ashland, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.96 μg/m³
0
55
155
255
425
605+
11.81 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
5.25 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ashland, Ohio
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AQI 33
Good
5.70μg/m³
PM2.5
21.79μg/m³
PM10
12.47ppb
O3
0.94ppb
SO2
4.39ppb
NO2
0.25ppm
CO
AQI 27
Good
5.16μg/m³
PM2.5
20.02μg/m³
PM10
9.68ppb
O3
1.20ppb
SO2
6.02ppb
NO2
0.28ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
21.41μg/m³
PM10
9.82ppb
O3
0.72ppb
SO2
4.37ppb
NO2
0.27ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
19.68μg/m³
PM10
9.91ppb
O3
0.68ppb
SO2
4.36ppb
NO2
0.26ppm
CO
AQI 27
Good
5.46μg/m³
PM2.5
21.97μg/m³
PM10
14.85ppb
O3
1.10ppb
SO2
5.59ppb
NO2
0.29ppm
CO
AQI 27
Good
4.84μg/m³
PM2.5
17.77μg/m³
PM10
15.81ppb
O3
1.12ppb
SO2
5.60ppb
NO2
0.29ppm
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 Ashland, Ohio is updated on an hourly basis.
The worst air quality in Ashland, Ohio was recorded at 08:00:00 on 2026-09-07.
The best air quality in Ashland, Ohio was recorded at 02:00:00 on 2026-09-07.
The real-time air quality index in Ashland, Ohio is 27, currently categorized as Good.
The most common pollutant in Ashland, Ohio is PM2.5.
If the air quality in Ashland, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Ashland, Ohio at present are 4.867 μg/m3.
The current PM10 levels in Ashland, Ohio are 17.956 μg/m3.
The current carbon monoxide (CO) level in Ashland, Ohio is 0.274 ppm.
The current sulfur dioxide (SO2) levels in Ashland, Ohio are 1.128 ppb.
The current ozone (O3) levels at Ashland, Ohio is 11.806 ppm.
The current nitrogen dioxide (NO2) levels at Ashland, Ohio is 5.25 ppb.
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