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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 | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Clear sky |
| Temperature | 39.2°F |
| Humidity | 82% |
| Wind | 5.3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Palm Desert, California | 181 |
| 2 | Sunriver, Oregon | 112 |
| 3 | Coachella, California | 99 |
| 4 | Oklahoma City, Oklahoma | 90 |
| 5 | St Louis, Missouri | 89 |
| 6 | Deschutes River Woods, Oregon | 88 |
| 7 | Lincoln, Nebraska | 88 |
| 8 | Wichita, Kansas | 86 |
| 9 | Edmond, Oklahoma | 84 |
| 10 | Mecca, California | 84 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
30*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 30* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.5*µg/m³ | |
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PM2.5
x1.1
PM2.5 concentration in Portland is currently 1.1 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 30 AQI US |  | 64.4° 39.2° |  6.7 mp/h |
| Thursday, May 16 | Good 41 AQI US |  100% | 64.4° 50° | 11.2 mp/h |
| Friday, May 17 | Good 43 AQI US | | 71.6° 50° | 4.5 mp/h |
| Saturday, May 18 | Good 50 AQI US | 100% | 69.8° 51.8° | 11.2 mp/h |
| Sunday, May 19 | Moderate 61 AQI US  |  | 68° 46.4° | 4.5 mp/h |
| Monday, May 20 | Good 34 AQI US | | 69.8° 50° | 11.2 mp/h |
| Tuesday, May 21 | Moderate 53 AQI US | 100% | 60.8° 51.8° | 20.1 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Portland?
No locations are available.
AQI US, Metric