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Air quality in Portland
Air quality index (AQI) and PM2.5 air pollution in Portland
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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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Broken clouds |
| Temperature | 46.4°F |
| Humidity | 88% |
| Wind | 18.9 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Arroyo Grande, California | 76 |
| 2 | Chandler, Arizona | 73 |
| 3 | Chattanooga, Tennessee | 71 |
| 4 | Gatlinburg, Tennessee | 70 |
| 5 | Columbia, South Carolina | 69 |
| 6 | Tampa, Florida | 69 |
| 7 | Alpharetta, Georgia | 68 |
| 8 | Gilbert, Arizona | 66 |
| 9 | Corpus Christi, Texas | 65 |
| 10 | Casa Grande, Arizona | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
39*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 39* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.6*µg/m³ | |
!
PM2.5
x1.9
PM2.5 concentration in Portland is currently 1.9 times 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 |
|---|---|---|---|---|
| Today | Good 39 AQI US |  100% | 64.4° 50° |  20.1 mp/h |
| Saturday, Apr 27 | Good 33 AQI US | 100% | 50° 41° | 17.9 mp/h |
| Sunday, Apr 28 | Good 36 AQI US | 100% | 53.6° 46.4° | 13.4 mp/h |
| Monday, Apr 29 | Good 7 AQI US | 100% | 69.8° 39.2° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 13 AQI US | 100% | 66.2° 44.6° | 8.9 mp/h |
| Wednesday, May 1 | Good 10 AQI US | 80% | 55.4° 48.2° | 13.4 mp/h |
| Thursday, May 2 | Good 9 AQI US | 100% | 53.6° 46.4° | 11.2 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Portland?
No locations are available.
AQI US, Metric