AQI

Ohio Air Quality Index & Realtime Air Pollution

Live AQI
154(AQI-US)
Air Quality is
Unhealthy
PM2.5 :62.2µg/m³
PM10 :65.2µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Unhealthy air quality mascot

Primary Air Pollutants Ohio

PM2.562µg/m³
PM2.5
Fine particles
PM1065µg/m³
PM10
Coarse particles
SO₂3µg/m³
SO₂
Sulphur dioxide
CO180µg/m³
CO
Carbon monoxide
NO₂10µg/m³
NO₂
Nitrogen dioxide
O₃69µg/m³
O₃
Ozone

Hourly forecast Ohio

Now20°
Mostly clear
08:0022°
Clear sky
09:0024°
Clear sky
10:0026°
Mostly clear
11:0028°
Partly cloudy
12:0030°
Clear sky
13:0032°
Clear sky
14:0033°
Overcast
15:0033°
Partly cloudy
16:0033°
Partly cloudy
17:0034°
Clear sky
18:0032°
Overcast
19:0030°
Overcast
20:0028°
Overcast
21:0025°
Light drizzle
22:0025°
Overcast
23:0025°
Overcast
00:0025°
Mostly clear
01:0024°
Partly cloudy
02:0024°
Clear sky
03:0023°
Mostly clear
04:0023°
Mostly clear
05:0024°
Partly cloudy
06:0023°
Overcast

Health Recommendations for Ohio Residents

Based on current air quality: Unhealthy · AQI 154

Unhealthy
Air Purifier
Air PurifierTurn On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust

UV Index

0

Low

Safe to be outside. Minimal UV risk.

Wind

4.4 km/h

Calm or light air — barely noticeable.

AQI Graph

Historical AQI Data Ohio

63
Min. AQIat 8:00 AM on 16th Jul
175
Max. AQIat 8:00 PM on 16th Jul
16-07-2026Time17-07-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

148
Poor11x above Standard
138
Poor10x above Standard
125
Poor9x above Standard
122
Poor9x above Standard
122
Poor9x above Standard
119
Poor9x above Standard
112
Poor8x above Standard
110
Poor8x above Standard
106
Poor8x above Standard
106
Poor8x above Standard
Last Updated: 16 Jul 2026, 14:58

Health Advice For People Living in Ohio

2.8
Cigarettes
per day
Weekly19.6 Cigarettes
Monthly84 Cigarettes

Breathing the air in this location is equivalent to smoking 2.8 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 On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Ohio · Current air quality: Unhealthy · AQI 154

High Trigger Risk

Headaches

Risk of Headaches symptoms is High when AQI of Ohio is Unhealthy (151-200).

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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Population: 431,279
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Population: 374,853
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State: Ohio
Population: 232,603
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Population: 178,519
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State: Ohio
Population: 167,966
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State: Ohio
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Population: 136,001
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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 154 (Unhealthy). 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 unhealthy for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.