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)
38
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)
6.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
23.90 μg/m³
0
55
155
255
425
605+
Ozone (O3)
20.32 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
1.11 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
7.69 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
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 33
Good
4.24μg/m³
PM2.5
16.58μg/m³
PM10
36.39ppb
O3
4.61ppb
SO2
14.24ppb
NO2
0.30ppm
CO
Westerville, Ohio
AQI 34
Good
4.79μg/m³
PM2.5
14.21μg/m³
PM10
37.31ppb
O3
4.57ppb
SO2
12.01ppb
NO2
0.30ppm
CO
Dublin, Ohio
AQI 33
Good
4.23μg/m³
PM2.5
16.58μg/m³
PM10
36.41ppb
O3
4.62ppb
SO2
14.30ppb
NO2
0.30ppm
CO
Worthington, Ohio
AQI 33
Good
4.47μg/m³
PM2.5
14.52μg/m³
PM10
36.41ppb
O3
4.62ppb
SO2
13.32ppb
NO2
0.30ppm
CO
Marysville, Ohio
AQI 33
Good
4.52μg/m³
PM2.5
13.71μg/m³
PM10
36.25ppb
O3
4.56ppb
SO2
11.90ppb
NO2
0.29ppm
CO
Upper Arlington, Ohio
AQI 33
Good
4.57μg/m³
PM2.5
13.51μg/m³
PM10
36.44ppb
O3
4.67ppb
SO2
12.91ppb
NO2
0.30ppm
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 11:00:00 on 2025-09-01.
When did Delaware, Ohio have its best air quality in the last 24 hours?
The best air quality in Delaware, Ohio was recorded at 08:00:00 on 2025-09-01.
What is the real-time air quality index for Delaware, Ohio?
The real-time air quality index in Delaware, Ohio is 32, 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 4.525 μg/m3.
What are the current PM10 levels at Delaware, Ohio?
The current PM10 levels in Delaware, Ohio are 15.876 μg/m3.
What are the current carbon monoxide (CO) levels at Delaware, Ohio?
The current carbon monoxide (CO) level in Delaware, Ohio is 0.271 ppm.
What are the current sulfur dioxide (SO2) levels at Delaware, Ohio?
The current sulfur dioxide (SO2) levels in Delaware, Ohio are 4.142 ppb.
What are the current ozone (O3) levels at Delaware, Ohio?
The current ozone (O3) levels at Delaware, Ohio is 35.425 ppm.
What are the current nitrogen dioxide (NO2) levels at Delaware, Ohio?
The current nitrogen dioxide (NO2) levels at Delaware, Ohio is 11.379 ppb.
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