Stay updated with real-time air quality in Ashtabula, 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)
19
Good
Ashtabula, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.68 μg/m³
0
55
155
255
425
605+
20.33 ppb
0
55
71
86
201
201+
1.28 ppb
0
36
76
186
605
1005+
3.02 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ashtabula, Ohio
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AQI 19
Good
3.10μg/m³
PM2.5
14.03μg/m³
PM10
21.00ppb
O3
1.03ppb
SO2
2.72ppb
NO2
0.20ppm
CO
AQI 17
Good
1.50μg/m³
PM2.5
6.15μg/m³
PM10
18.02ppb
O3
1.97ppb
SO2
3.77ppb
NO2
0.20ppm
CO
AQI 17
Good
2.72μg/m³
PM2.5
8.13μg/m³
PM10
18.07ppb
O3
1.62ppb
SO2
3.90ppb
NO2
0.20ppm
CO
AQI 20
Good
3.12μg/m³
PM2.5
15.24μg/m³
PM10
22.04ppb
O3
0.86ppb
SO2
2.98ppb
NO2
0.19ppm
CO
AQI 17
Good
3.28μg/m³
PM2.5
8.95μg/m³
PM10
18.01ppb
O3
1.51ppb
SO2
3.92ppb
NO2
0.20ppm
CO
AQI 21
Good
3.42μg/m³
PM2.5
18.35μg/m³
PM10
23.14ppb
O3
0.94ppb
SO2
2.79ppb
NO2
0.20ppm
CO
The air quality data for Ohio, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Ashtabula, Ohio are available every hour.
Ashtabula, Ohio experienced its worst air quality at 06:00:00, 2026-03-07.
The best air quality in Ashtabula, Ohio was observed at 12:00:00 on 2026-03-08.
The air quality in Ashtabula, Ohio right now is Good, with an AQI of 19.
In Ashtabula, Ohio, O3 is the most frequently found pollutant.
When air quality in Ashtabula, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.
Ashtabula, Ohio currently has a PM2.5 concentration of 2.077 μg/m3.
Ashtabula, Ohio currently has a PM10 concentration of 7.68 μg/m3.
The current carbon monoxide (CO) level in Ashtabula, Ohio is 0.177 ppm.
The current sulfur dioxide (SO2) concentration in Ashtabula, Ohio is 1.283 ppb.
Ashtabula, Ohio currently has an ozone (O3) concentration of 20.331 ppm.
The current level of nitrogen dioxide (NO2) in Ashtabula, Ohio is 3.025 ppb.
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