AQI

Ohio Air Quality Index & Realtime Air Pollution

Live AQI
50(AQI-US)
Air Quality is
Good
PM2.5 :4.6µg/m³
PM10 :5.7µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants Ohio

PM2.55µg/m³
PM2.5
Fine particles
PM106µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO156µg/m³
CO
Carbon monoxide
NO₂8µg/m³
NO₂
Nitrogen dioxide
O₃98µg/m³
O₃
Ozone

Hourly forecast Ohio

Now25°
Clear sky
21:0023°
Clear sky
22:0021°
Clear sky
23:0019°
Clear sky
00:0017°
Clear sky
01:0016°
Clear sky
02:0015°
Overcast
03:0014°
Mostly clear
04:0014°
Clear sky
05:0013°
Clear sky
06:0013°
Clear sky
07:0014°
Clear sky
08:0017°
Clear sky
09:0021°
Clear sky
10:0023°
Partly cloudy
11:0026°
Overcast
12:0026°
Overcast
13:0027°
Clear sky
14:0028°
Overcast
15:0028°
Overcast
16:0029°
Overcast
17:0029°
Overcast
18:0028°
Overcast
19:0028°
Overcast

Health Recommendations for Ohio Residents

Based on current air quality: Good · AQI 50

Good
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable

UV Index

0.15

Low

Safe to be outside. Minimal UV risk.

Wind

7.6 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data Ohio

17
Min. AQIat 10:00 AM on 3rd Jun
51
Max. AQIat 9:00 PM on 3rd Jun
03-06-2026Time04-06-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

119
Poor3x above Standard
93
Moderate2x above Standard
81
Moderate2x above Standard
79
Moderate1x above Standard
75
Moderate1x above Standard
75
Moderate3x above Standard
75
Moderate3x above Standard
73
Moderate2x above Standard
72
Moderate1x above Standard
67
Moderate1x above Standard
Last Updated: 03 Jun 2026, 22:43

Health Advice For People Living in Ohio

0.2
Cigarettes
per day
Weekly1.4 Cigarettes
Monthly6 Cigarettes

Breathing the air in this location is equivalent to smoking 0.2 cigarettes a day.

Disclaimer: This cigarette-equivalent estimate is calculated using the average PM2.5 concentration from the past 24 hours, assuming constant exposure throughout that period.
Solutions for Ohio Current AQI (US)
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Ohio · Current air quality: Good · AQI 50

Low Trigger Risk

Headaches

Risk of Headaches symptoms is Low when AQI of Ohio is Good (0-50).

Common signs

These signs are common: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Choose indoor, clean indoor air when the AQI is elevated.
  • Stay hydrated and take short breaks from devices or harsh light if you are migraine-prone.
  • If you Make use of prescribed migraine meds, Keep close them accessible.
Don’ts :
  • Try not to do intense outdoor exercise during worse AQI periods.
  • Don’t ignore worsening symptoms that feel unusual for you.

Disclaimer: The health risks mentioned above are precautionary recommendations based on current AQI levels. While you may not experience immediate effects, prolonged exposure to air pollution can lead to these health issues over time. This is not medical advice. Please consult a clinician if you experience severe, unusual, or worsening symptoms.

Ohio's Major Cities AQI

State: Ohio
Population: 1,321,414
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State: Ohio
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State: Ohio
Population: 830,639
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Population: 540,428
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State: Ohio
Population: 537,309
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State: Ohio
Population: 431,279
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State: Ohio
Population: 390,357
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State: Ohio
Population: 374,853
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State: Ohio
Population: 232,603
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State: Ohio
Population: 228,614
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State: Ohio
Population: 178,519
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State: Ohio
Population: 167,966
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State: Ohio
Population: 161,791
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State: Ohio
Population: 136,001
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State: Ohio
Population: 124,936
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State: Ohio
Population: 63,647
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State: Ohio
Population: 37,995
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State: Ohio
Population: 18,371
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Air Quality FAQs at Ohio

The current real-time AQI (US) level in Ohio is 50 (Good). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in Ohio have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are good for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.