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Air quality in Portland
Air quality index (AQI) and PM2.5 air pollution in Portland
30 people follow this city
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 | Few clouds |
| Temperature | 77°F |
| Humidity | 53% |
| Wind | 18.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 62 |
| 2 | Harrisburg, Pennsylvania | 60 |
| 3 | Kalamazoo, Michigan | 60 |
| 4 | Emmetsburg, Iowa | 57 |
| 5 | The Woodlands, Texas | 57 |
| 6 | Elizabethtown, Pennsylvania | 56 |
| 7 | Lancaster, Pennsylvania | 56 |
| 8 | Hammond, Indiana | 55 |
| 9 | Marana, Arizona | 55 |
| 10 | Carlisle, Pennsylvania | 54 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
44*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 44* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.6*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Portland is currently 2.1 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 44 AQI US | | 77° 60.8° |  15.7 mp/h |
| Monday, Apr 29 | Moderate 54 AQI US  |  100% | 73.4° 60.8° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 44 AQI US | 100% | 71.6° 59° | 6.7 mp/h |
| Wednesday, May 1 | Good 47 AQI US |  | 78.8° 57.2° | 4.5 mp/h |
| Thursday, May 2 | Moderate 59 AQI US | | 80.6° 60.8° | 8.9 mp/h |
| Friday, May 3 | Moderate 68 AQI US | 100% | 71.6° 62.6° | 15.7 mp/h |
| Saturday, May 4 | Moderate 71 AQI US | 100% | 69.8° 53.6° | 17.9 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