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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Broken clouds |
| Temperature | 66.2°F |
| Humidity | 73% |
| Wind | 4.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Yosemite Np Turtleback Dome, California | 167 |
| 2 | Boerne, Texas | 91 |
| 3 | San Antonio, Texas | 85 |
| 4 | New Braunfels, Texas | 66 |
| 5 | Palm Desert, California | 61 |
| 6 | Leander, Texas | 60 |
| 7 | Charleston, West Virginia | 59 |
| 8 | Fort Worth, Texas | 59 |
| 9 | Georgetown, Texas | 59 |
| 10 | Braddock, Pennsylvania | 58 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
42*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 42* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.2*µg/m³ | |
!
PM2.5
x2
PM2.5 concentration in Portland is currently 2 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 42 AQI US |  100% | 71.6° 60.8° |  15.7 mp/h |
| Monday, Apr 29 | Good 45 AQI US | 100% | 71.6° 57.2° | 20.1 mp/h |
| Tuesday, Apr 30 | Good 21 AQI US | | 60.8° 46.4° | 13.4 mp/h |
| Wednesday, May 1 | Good 26 AQI US | 20% | 69.8° 48.2° | 8.9 mp/h |
| Thursday, May 2 | Moderate 70 AQI US  | 80% | 75.2° 55.4° | 13.4 mp/h |
| Friday, May 3 | Moderate 71 AQI US | 100% | 69.8° 59° | 17.9 mp/h |
| Saturday, May 4 | Good 28 AQI US | 100% | 55.4° 44.6° | 22.4 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