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
1.5K 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 | Few clouds |
| Temperature | 50°F |
| Humidity | 91% |
| Wind | 7.3 mp/h |
| Pressure | 30.5 Hg |
live aqi city ranking
Real-time Australia city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Spencer Gulf, South Australia | 75 |
| 2 | Melbourne, Victoria | 65 |
| 3 | Armidale, New South Wales | 52 |
| 4 | Swan Hill, Victoria | 49 |
| 5 | Singleton, New South Wales | 48 |
| 6 | Adelaide, South Australia | 24 |
| 7 | Perth, Western Australia | 21 |
| 8 | Townsville, Queensland | 21 |
| 9 | Bathurst, New South Wales | 19 |
| 10 | Sydney, New South Wales | 19 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
47*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 47* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 8.6*µg/m³ | |
!
PM2.5
x1.7
PM2.5 concentration in Portland is currently 1.7 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 47 AQI US |  | 59° 48.2° |  8.9 mp/h |
| Thursday, May 9 | Good 44 AQI US |  | 60.8° 50° | 6.7 mp/h |
| Friday, May 10 | Good 40 AQI US | | 62.6° 50° | 6.7 mp/h |
| Saturday, May 11 | Good 42 AQI US |  | 62.6° 53.6° | 8.9 mp/h |
| Sunday, May 12 | Good 45 AQI US | | 62.6° 51.8° | 4.5 mp/h |
| Monday, May 13 | Moderate 54 AQI US  | | 62.6° 51.8° | 8.9 mp/h |
| Tuesday, May 14 | Good 26 AQI US |  60% | 60.8° 51.8° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Portland?
No locations are available.
AQI US, Metric