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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 | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 80% |
| Wind | 18.3 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Tampa, Florida | 92 |
| 2 | Oklahoma City, Oklahoma | 83 |
| 3 | Edmond, Oklahoma | 78 |
| 4 | Corpus Christi, Texas | 67 |
| 5 | Tulsa, Oklahoma | 67 |
| 6 | Wichita, Kansas | 67 |
| 7 | San Antonio, Texas | 63 |
| 8 | Boerne, Texas | 61 |
| 9 | Dayton, Ohio | 60 |
| 10 | Detroit, Michigan | 59 |
(local time)
SEE WORLD AQI RANKING
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US AQI
28*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 28* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.8*µg/m³ | |
!
PM2.5
x1.4
PM2.5 concentration in Portland is currently 1.4 times the WHO annual air quality guideline value
Forecast
Portland air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 28 AQI US |  100% | 60.8° 48.2° |  22.4 mp/h |
| Sunday, Apr 28 | Good 43 AQI US | 80% | 62.6° 55.4° | 15.7 mp/h |
| Monday, Apr 29 | Good 49 AQI US | 100% | 62.6° 53.6° | 6.7 mp/h |
| Tuesday, Apr 30 | Good 49 AQI US | 100% | 57.2° 51.8° | 11.2 mp/h |
| Wednesday, May 1 | Good 50 AQI US | | 57.2° 48.2° | 4.5 mp/h |
| Thursday, May 2 | Moderate 63 AQI US  | 90% | 68° 50° | 20.1 mp/h |
| Friday, May 3 | Moderate 62 AQI US | 100% | 66.2° 60.8° | 17.9 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