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)
52
Moderate
Delaware, Ohio
Last updated: ... (Local time)
Common air pollutants in Delaware, Ohio
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
9.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
31.41 μg/m³
0
55
155
255
425
605+
Ozone (O3)
35.72 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
17.91 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
4.76 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.17 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 49
Good
8.69μg/m³
PM2.5
34.09μg/m³
PM10
37.30ppb
O3
15.88ppb
SO2
4.95ppb
NO2
0.16ppm
CO
Westerville, Ohio
AQI 52
Moderate
9.66μg/m³
PM2.5
28.80μg/m³
PM10
39.07ppb
O3
15.39ppb
SO2
4.82ppb
NO2
0.17ppm
CO
Dublin, Ohio
AQI 49
Good
8.67μg/m³
PM2.5
34.14μg/m³
PM10
37.35ppb
O3
15.82ppb
SO2
4.95ppb
NO2
0.16ppm
CO
Worthington, Ohio
AQI 49
Good
8.93μg/m³
PM2.5
29.72μg/m³
PM10
38.09ppb
O3
15.60ppb
SO2
4.90ppb
NO2
0.16ppm
CO
Marysville, Ohio
AQI 49
Good
9.45μg/m³
PM2.5
33.85μg/m³
PM10
34.61ppb
O3
16.95ppb
SO2
4.50ppb
NO2
0.16ppm
CO
Upper Arlington, Ohio
AQI 49
Good
8.96μg/m³
PM2.5
28.57μg/m³
PM10
38.28ppb
O3
15.21ppb
SO2
4.85ppb
NO2
0.16ppm
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 06:00:00 on 2026-08-16.
When did Delaware, Ohio have its best air quality in the last 24 hours?
The best air quality in Delaware, Ohio was recorded at 09:00:00 on 2026-08-16.
What is the real-time air quality index for Delaware, Ohio?
The real-time air quality index in Delaware, Ohio is 52, currently categorized as Moderate.
Which pollutant is found most often in Delaware, Ohio?
The most common pollutant in Delaware, Ohio is PM2.5.
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 9.659 μg/m3.
What are the current PM10 levels at Delaware, Ohio?
The current PM10 levels in Delaware, Ohio are 31.407 μg/m3.
What are the current carbon monoxide (CO) levels at Delaware, Ohio?
The current carbon monoxide (CO) level in Delaware, Ohio is 0.167 ppm.
What are the current sulfur dioxide (SO2) levels at Delaware, Ohio?
The current sulfur dioxide (SO2) levels in Delaware, Ohio are 17.907 ppb.
What are the current ozone (O3) levels at Delaware, Ohio?
The current ozone (O3) levels at Delaware, Ohio is 35.721 ppm.
What are the current nitrogen dioxide (NO2) levels at Delaware, Ohio?
The current nitrogen dioxide (NO2) levels at Delaware, Ohio is 4.759 ppb.
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