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Live air quality index in Bellefontaine, Ohio today

Stay updated with real-time air quality in Bellefontaine, 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)

82

Moderate

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Bellefontaine, Ohio

Last updated: ... (Local time)

Major air pollutants in Bellefontaine, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

25.96 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

86.09 μg/m³

0

55

155

255

425

605+

Ozone (O3)

27.42 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

1.07 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

8.05 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Bellefontaine, Ohio

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Bellefontaine, Ohio air quality map: Track AQI near you




How accurate is Ohio, USA air quality data?

Air quality data and pollutant measurements for Ohio, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


Frequently asked questions

How often is the air quality data for Bellefontaine, Ohio updated?

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The air quality for Bellefontaine, Ohio is updated every hour.


When was the worst air quality at Bellefontaine, Ohio in the last 24 hrs?

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The worst air quality in Bellefontaine, Ohio in the last 24 hours was observed at 07:00:00 on 2025-06-05.


When was the best air quality at Bellefontaine, Ohio in the last 24 hrs?

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In the last 24 hrs, the best air quality in Bellefontaine, Ohio was observed at 01:00:00 on 2025-06-04.


What is the current air quality in Bellefontaine, Ohio?

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The current air quality in Bellefontaine, Ohio is 82, categorized as Moderate based on real-time data.


What pollutant is the most common in Bellefontaine, Ohio?

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The most common pollutant in Bellefontaine, Ohio is PM2.5.


What should I do if the air quality in Bellefontaine, Ohio is poor?

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If the air quality in Bellefontaine, Ohio is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Bellefontaine, Ohio?

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The current PM2.5 concentration at Bellefontaine, Ohio is 25.956 μg/m3.


What is the current concentration of PM10 in Bellefontaine, Ohio?

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The current PM10 concentration at Bellefontaine, Ohio is 86.092 μg/m3.


What is the current concentration of carbon monoxide (CO) in Bellefontaine, Ohio?

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The current carbon monoxide (CO) concentration at Bellefontaine, Ohio is 0.278 ppm.


What is the current concentration of sulfur dioxide (SO2) in Bellefontaine, Ohio?

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The current sulfur dioxide (SO2) concentration at Bellefontaine, Ohio is 1.071 ppb.


What is the current concentration of ozone (O3) in Bellefontaine, Ohio?

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The current ozone (O3) concentration at Bellefontaine, Ohio is 27.418 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Bellefontaine, Ohio?

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The current nitrogen dioxide (NO2) concentration at Bellefontaine, Ohio is 8.054 ppb.


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