AQI

Clark Air Quality Index & Realtime Air Pollution

Live AQI
119(AQI-US)
Air Quality is
Poor
PM2.5 :43µg/m³
PM10 :45.9µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Poor air quality mascot

Primary Air Pollutants Clark (Washington)

PM2.543µg/m³
PM2.5
Fine particles
PM1046µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO153µg/m³
CO
Carbon monoxide
NO₂3µg/m³
NO₂
Nitrogen dioxide
O₃167µg/m³
O₃
Ozone

Hourly forecast Clark (Washington)

Now32°
Partly cloudy
15:0033°
Partly cloudy
16:0034°
Overcast
17:0034°
Overcast
18:0034°
Clear sky
19:0032°
Clear sky
20:0030°
Overcast
21:0027°
Overcast
22:0026°
Overcast
23:0025°
Overcast
00:0024°
Overcast
01:0023°
Overcast
02:0022°
Partly cloudy
03:0021°
Clear sky
04:0021°
Clear sky
05:0021°
Clear sky
06:0020°
Clear sky
07:0021°
Clear sky
08:0024°
Clear sky
09:0026°
Overcast
10:0028°
Clear sky
11:0030°
Mostly clear
12:0031°
Overcast
13:0030°
Overcast

Health Recommendations for Clark Residents

Based on current air quality: Poor · AQI 119

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

UV Index

8

Very High

Very high UV risk — seek shade and wear strong protection.

Wind

3.4 km/h

Calm or light air — barely noticeable.

AQI Graph

Historical AQI Data Clark (Washington)

108
Min. AQIat 3:00 PM on 20th Jul
150
Max. AQIat 9:00 AM on 21st Jul
20-07-2026Time21-07-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

Last Updated: 21 Jul 2026, 15:01

Health Advice For People Living in Clark

2.0
Cigarettes
per day
Weekly14.0 Cigarettes
Monthly60 Cigarettes

Breathing the air in this location is equivalent to smoking 2.0 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 Clark 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

Clark · Current air quality: Poor · AQI 119

Elevated Trigger Risk

Headaches

Risk of Headaches symptoms is Elevated when AQI of Clark is Poor (101-150).

Common signs

Typical signs can include: 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.

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Air Quality FAQs at Clark, Washington

The current real-time AQI (US) level in Clark, Washington is 119 (Poor). 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 Clark, Washington have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

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