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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 | 71.6°F |
| Humidity | 64% |
| Wind | 10.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | San Antonio, Texas | 81 |
| 2 | Georgetown, Texas | 79 |
| 3 | Boerne, Texas | 78 |
| 4 | Round Rock, Texas | 76 |
| 5 | Austin, Texas | 75 |
| 6 | Leander, Texas | 72 |
| 7 | Corpus Christi, Texas | 71 |
| 8 | New Braunfels, Texas | 69 |
| 9 | Chapel Hill, North Carolina | 64 |
| 10 | Fort Worth, Texas | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
52*
live AQI index
Moderate
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.4*µg/m³ | |
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PM2.5
x2.5
PM2.5 concentration in Portland is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Portland?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Portland air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 52 AQI US |  | 75.2° 60.8° |  17.9 mp/h |
| Sunday, Apr 28 | Moderate 51 AQI US |  100% | 73.4° 60.8° | 17.9 mp/h |
| Monday, Apr 29 | Good 46 AQI US  | 100% | 75.2° 57.2° | 6.7 mp/h |
| Tuesday, Apr 30 | Good 44 AQI US |  | 80.6° 57.2° | 6.7 mp/h |
| Wednesday, May 1 | Moderate 75 AQI US | 100% | 71.6° 62.6° | 13.4 mp/h |
| Thursday, May 2 | Moderate 71 AQI US | 100% | 75.2° 60.8° | 15.7 mp/h |
| Friday, May 3 | Moderate 71 AQI US | 100% | 66.2° 50° | 8.9 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