Portland Air Quality Index & Realtime Air Pollution
Primary Air Pollutants Portland (Oregon)
Hourly forecast Portland (Oregon)
Health Recommendations for Portland Residents
Based on current air quality: Moderate · AQI 96
UV Index
5.1
Moderate
Use protection if you’re out for extended periods.
Wind
7.2 km/h
Light breeze — leaves rustling gently.
Historical AQI Data Portland (Oregon)
United States Major Cities AQI Overview
New York
40
Temp.
28.8°C
Hum.
80%
Los Angeles
64
Temp.
32.6°C
Hum.
38%
Chicago
29
Temp.
30°C
Hum.
39%
Houston
72
Temp.
34.2°C
Hum.
47%
Phoenix
58
Temp.
37.2°C
Hum.
37%
San Francisco
54
Temp.
27.7°C
Hum.
49%
Seattle
72
Temp.
25.9°C
Hum.
59%
Denver
20
Temp.
32.3°C
Hum.
29%
Philadelphia
33
Temp.
30.9°C
Hum.
74%
San Antonio
52
Temp.
35.8°C
Hum.
45%
Dallas
60
Temp.
40.7°C
Hum.
29%
Atlanta
26
Temp.
33.2°C
Hum.
48%
Most Polluted Cities by AQI United States
Explore live air quality data for the most polluted cities in the country.
| Rank | City | AQI | AQI Status | Standard Value | Notify |
|---|---|---|---|---|---|
| 1 | Spokane, Washington | 190 | Unhealthy | 26x above Standard | |
| 2 | Everett, Washington | 130 | Poor | 9x above Standard | |
| 3 | Tacoma, Washington | 123 | Poor | 9x above Standard | |
| 4 | Hillsboro, Oregon | 86 | Moderate | 6x above Standard | |
| 5 | Portland, Oregon | 86 | Moderate | 6x above Standard | |
| 6 | Vancouver, Washington | 86 | Moderate | 6x above Standard | |
| 7 | Seattle, Washington | 84 | Moderate | 6x above Standard | |
| 8 | Odessa, Texas | 81 | Moderate | 5x above Standard | |
| 9 | Baton Rouge, Louisiana | 77 | Moderate | 5x above Standard | |
| 10 | Bismarck, North Dakota | 74 | Moderate | 5x above Standard |
Health Advice For People Living in Portland
per day
Breathing the air in this location is equivalent to smoking 1.5 cigarettes a day.
Prevent Health Problems: Understand Your Risks
Portland · Current air quality: Moderate · AQI 96
Headaches
Risk of Headaches symptoms is Mild when AQI of Portland is Moderate (51-100).
Signs may include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.
- Opt for indoor, air with filtration when the AQI is poor.
- Increase fluids and rest from digital screens or intense light if you are migraine-prone.
- If you Use prescribed migraine meds, Keep them accessible.
- Don’t do intense outdoor exercise during elevated AQI periods.
- Do not ignore worsening signs 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.
Air Quality FAQs at Portland, Oregon
Frequently Asked Questions
About Air Quality
The current real-time AQI (US) level in Portland, 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 Portland, 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.