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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 | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Broken clouds |
| Temperature | 60.8°F |
| Humidity | 73% |
| Wind | 6.3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Redmond, Oregon | 112 |
| 2 | Rapid City, South Dakota | 82 |
| 3 | Deschutes River Woods, Oregon | 79 |
| 4 | Fontana, California | 72 |
| 5 | Port Arthur, Texas | 68 |
| 6 | Arroyo Grande, California | 67 |
| 7 | San Fernando, California | 66 |
| 8 | Galveston, Texas | 65 |
| 9 | La Crescenta-Montrose, California | 65 |
| 10 | Claremont, California | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
34*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 34* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.3*µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Portland is currently 1.3 times the WHO annual air quality guideline value
Forecast
Portland air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 34 AQI US |  | 59° 46.4° |  6.7 mp/h |
| Thursday, May 30 | Good 25 AQI US | | 60.8° 48.2° | 6.7 mp/h |
| Friday, May 31 | Good 26 AQI US | | 69.8° 50° | 8.9 mp/h |
| Saturday, Jun 1 | Moderate 54 AQI US  |  100% | 62.6° 55.4° | 11.2 mp/h |
| Sunday, Jun 2 | Moderate 59 AQI US | | 66.2° 57.2° | 4.5 mp/h |
| Monday, Jun 3 | Moderate 61 AQI US | | 73.4° 60.8° | 6.7 mp/h |
| Tuesday, Jun 4 | Moderate 64 AQI US | 100% | 73.4° 60.8° | 13.4 mp/h |
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Where is the cleanest air quality in Portland?
No locations are available.
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AQI US, Metric