Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Portland
Air quality index (AQI) and PM2.5 air pollution in Portland
760 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 | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Clear sky |
| Temperature | 86°F |
| Humidity | 80% |
| Wind | 16.4 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Boerne, Texas | 95 |
| 2 | San Antonio, Texas | 93 |
| 3 | New Braunfels, Texas | 87 |
| 4 | Austin, Texas | 81 |
| 5 | San Fernando, California | 77 |
| 6 | Pahrump, Nevada | 75 |
| 7 | Georgetown, Texas | 74 |
| 8 | Hollywood, California | 71 |
| 9 | La Crescenta-Montrose, California | 71 |
| 10 | Round Rock, Texas | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
59*
live AQI index
Moderate
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 59* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.2*µg/m³ | |
!
PM2.5
x2.6
PM2.5 concentration in Portland is currently 2.6 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 |
|---|---|---|---|---|
| Friday, May 31 | Moderate 59 AQI US |  100% | 89.6° 78.8° |  15.7 mp/h |
| Today | Moderate 59 AQI US |  | 87.8° 80.6° | 20.1 mp/h |
| Sunday, Jun 2 | Moderate 52 AQI US | | 87.8° 80.6° | 22.4 mp/h |
| Monday, Jun 3 | Moderate 53 AQI US | 20% | 86° 80.6° | 22.4 mp/h |
| Tuesday, Jun 4 | Moderate 55 AQI US | | 87.8° 80.6° | 17.9 mp/h |
| Wednesday, Jun 5 | Moderate 62 AQI US | | 87.8° 78.8° | 15.7 mp/h |
| Thursday, Jun 6 | Moderate 73 AQI US | | 89.6° 78.8° | 13.4 mp/h |
| Friday, Jun 7 | Moderate 75 AQI US | 40% | 89.6° 78.8° | 17.9 mp/h |
Interested in hourly forecast? Get the app
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