AQI

multnomah Air Quality Index & Realtime Air Pollution

Live AQI
96(AQI-US)
Air Quality is
Moderate
PM2.5 :33.3µg/m³
PM10 :35.5µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Moderate air quality mascot

Primary Air Pollutants multnomah (Oregon)

PM2.533µg/m³
PM2.5
Fine particles
PM1036µg/m³
PM10
Coarse particles
SO₂2µg/m³
SO₂
Sulphur dioxide
CO238µg/m³
CO
Carbon monoxide
NO₂5µg/m³
NO₂
Nitrogen dioxide
O₃117µg/m³
O₃
Ozone

Hourly forecast multnomah (Oregon)

Now33°
Overcast
15:0035°
Overcast
16:0036°
Overcast
17:0036°
Clear sky
18:0035°
Clear sky
19:0034°
Mostly clear
20:0031°
Overcast
21:0029°
Overcast
22:0028°
Partly cloudy
23:0026°
Partly cloudy
00:0025°
Overcast
01:0024°
Overcast
02:0023°
Clear sky
03:0023°
Clear sky
04:0023°
Partly cloudy
05:0022°
Mostly clear
06:0021°
Mostly clear
07:0023°
Clear sky
08:0026°
Clear sky
09:0027°
Clear sky
10:0029°
Clear sky
11:0031°
Clear sky
12:0033°
Overcast
13:0035°
Mostly clear

Health Recommendations for multnomah Residents

Based on current air quality: Moderate · AQI 96

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

UV Index

5.1

Moderate

Use protection if you’re out for extended periods.

Wind

7.1 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data multnomah (Oregon)

41
Min. AQIat 12:00 PM on 20th Jul
142
Max. AQIat 5:00 PM on 20th 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 multnomah

1.5
Cigarettes
per day
Weekly10.5 Cigarettes
Monthly45 Cigarettes

Breathing the air in this location is equivalent to smoking 1.5 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 multnomah 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

multnomah · Current air quality: Moderate · AQI 96

Mild Trigger Risk

Headaches

Risk of Headaches symptoms is Mild when AQI of multnomah is Moderate (51-100).

Common signs

Early signs may include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Favor indoor, filtered indoor air when the AQI is worse.
  • Hydrate and take breaks from screens or bright light if you are migraine-prone.
  • If you Try prescribed migraine meds, Have them accessible.
Don’ts :
  • Do not do intense outdoor exercise during elevated AQI periods.
  • Avoid ignore worsening effects 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.

multnomah's Nearby Cities AQI

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Air Quality FAQs at multnomah, Oregon

The current real-time AQI (US) level in multnomah, Oregon is 96 (Moderate). 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 multnomah, Oregon have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

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