Real-time air quality index in Delaware, Ohio today
Stay updated with real-time air quality in Delaware, 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)
39
Good
Delaware, Ohio
Last updated: ... (Local time)
Common air pollutants in Delaware, Ohio
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
5.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
19.97 μg/m³
0
55
155
255
425
605+
Ozone (O3)
42.11 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
3.42 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
4.65 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Delaware, Ohio
Delaware, Ohio
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Delaware, Ohio air quality map: Real-time AQI near you
Air quality in nearby cities
Powell, Ohio
AQI 45
Good
4.65μg/m³
PM2.5
18.34μg/m³
PM10
49.13ppb
O3
3.33ppb
SO2
2.52ppb
NO2
0.10ppm
CO
Westerville, Ohio
AQI 46
Good
5.36μg/m³
PM2.5
15.97μg/m³
PM10
49.94ppb
O3
3.20ppb
SO2
3.99ppb
NO2
0.11ppm
CO
Dublin, Ohio
AQI 45
Good
4.65μg/m³
PM2.5
18.34μg/m³
PM10
49.27ppb
O3
3.33ppb
SO2
2.48ppb
NO2
0.10ppm
CO
Worthington, Ohio
AQI 46
Good
4.99μg/m³
PM2.5
16.55μg/m³
PM10
49.90ppb
O3
3.28ppb
SO2
3.05ppb
NO2
0.11ppm
CO
Marysville, Ohio
AQI 42
Good
5.25μg/m³
PM2.5
18.70μg/m³
PM10
44.97ppb
O3
3.71ppb
SO2
5.51ppb
NO2
0.12ppm
CO
Upper Arlington, Ohio
AQI 45
Good
5.24μg/m³
PM2.5
17.26μg/m³
PM10
49.45ppb
O3
3.23ppb
SO2
3.50ppb
NO2
0.11ppm
CO
How accurate is Ohio, USA air quality data?
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
Frequently asked questions
How frequently is the air quality data for Delaware, Ohio updated?
Air quality data for Delaware, Ohio is updated on an hourly basis.
When did Delaware, Ohio experience the worst air quality in the last 24 hours?
The worst air quality in Delaware, Ohio was recorded at 08:00:00 on 2026-07-23.
When did Delaware, Ohio have its best air quality in the last 24 hours?
The best air quality in Delaware, Ohio was recorded at 03:00:00 on 2026-07-23.
What is the real-time air quality index for Delaware, Ohio?
The real-time air quality index in Delaware, Ohio is 39, currently categorized as Good.
Which pollutant is found most often in Delaware, Ohio?
The most common pollutant in Delaware, Ohio is O3.
What can I do if the air quality in Delaware, Ohio is poor?
If the air quality in Delaware, Ohio is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Delaware, Ohio?
The measured PM2.5 levels in Delaware, Ohio at present are 5.019 μg/m3.
What are the current PM10 levels at Delaware, Ohio?
The current PM10 levels in Delaware, Ohio are 19.972 μg/m3.
What are the current carbon monoxide (CO) levels at Delaware, Ohio?
The current carbon monoxide (CO) level in Delaware, Ohio is 0.117 ppm.
What are the current sulfur dioxide (SO2) levels at Delaware, Ohio?
The current sulfur dioxide (SO2) levels in Delaware, Ohio are 3.422 ppb.
What are the current ozone (O3) levels at Delaware, Ohio?
The current ozone (O3) levels at Delaware, Ohio is 42.112 ppm.
What are the current nitrogen dioxide (NO2) levels at Delaware, Ohio?
The current nitrogen dioxide (NO2) levels at Delaware, Ohio is 4.649 ppb.
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