Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Portland
Air quality index (AQI) and PM2.5 air pollution in Portland
3 people follow this city
Portland Air Quality Map
Real-time Portland air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Portland today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Portland?
| Weather | Broken clouds |
| Temperature | 44.6°F |
| Humidity | 94% |
| Wind | 8.5 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Sequoia National Park, California | 80 |
| 2 | Three Rivers, California | 77 |
| 3 | Springville, California | 71 |
| 4 | Boerne, Texas | 63 |
| 5 | Little Rock, Arkansas | 60 |
| 6 | Baton Rouge, Louisiana | 59 |
| 7 | San Antonio, Texas | 59 |
| 8 | Porterville, California | 57 |
| 9 | Westlake, Louisiana | 57 |
| 10 | Birmingham, Alabama | 56 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
19*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 19* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.7*µg/m³ | |
✓
PM2.5 concentration in Portland air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Portland?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Portland air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, Apr 19 | Good 36 AQI US |  100% | 53.6° 42.8° |  20.1 mp/h |
| Saturday, Apr 20 | Good 12 AQI US | | 42.8° 37.4° | 22.4 mp/h |
| Sunday, Apr 21 | Good 7 AQI US | | 44.6° 35.6° | 17.9 mp/h |
| Monday, Apr 22 | Good 15 AQI US |  | 48.2° 37.4° | 8.9 mp/h |
| Tuesday, Apr 23 | Good 13 AQI US | 100% | 51.8° 42.8° | 22.4 mp/h |
| Wednesday, Apr 24 | Good 50 AQI US |  90% | 44.6° 32° | 20.1 mp/h |
| Thursday, Apr 25 | Good 6 AQI US | | 42.8° 33.8° | 17.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Portland?
No locations are available.
AQI US, Metric