Be the first to measure and contribute air quality data to your community
Air Quality 
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 | Broken clouds |
| Temperature | 51.8°F |
| Humidity | 82% |
| Wind | 4.8 mp/h |
| Pressure | 30.4 Hg |
live aqi city ranking
Real-time Australia city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Melbourne, Victoria | 97 |
| 2 | Spencer Gulf, South Australia | 74 |
| 3 | Singleton, New South Wales | 52 |
| 4 | Adelaide, South Australia | 41 |
| 5 | Swan Hill, Victoria | 36 |
| 6 | Townsville, Queensland | 35 |
| 7 | Newcastle, New South Wales | 30 |
| 8 | Bathurst, New South Wales | 21 |
| 9 | Perth, Western Australia | 21 |
| 10 | Sydney, New South Wales | 18 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
62*
live AQI index
Moderate
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 62* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.9*µg/m³ | |
!
PM2.5
x3
PM2.5 concentration in Portland is currently 3 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 |
 | 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 62 AQI US |  | 59° 50° |  6.7 mp/h |
| Friday, May 10 | Good 44 AQI US  | | 62.6° 50° | 6.7 mp/h |
| Saturday, May 11 | Good 36 AQI US | | 62.6° 53.6° | 8.9 mp/h |
| Sunday, May 12 | Good 32 AQI US | | 62.6° 51.8° | 6.7 mp/h |
| Monday, May 13 | Good 50 AQI US | | 62.6° 50° | 6.7 mp/h |
| Tuesday, May 14 | Good 29 AQI US |  40% | 62.6° 51.8° | 13.4 mp/h |
| Wednesday, May 15 | Good 13 AQI US | 40% | 59° 55.4° | 15.7 mp/h |
| Thursday, May 16 | Good 16 AQI US | 30% | 60.8° 55.4° | 13.4 mp/h |
Interested in hourly forecast? Get the app
Where is the cleanest air quality in Portland?
No locations are available.
Connect With IQAir
Sign up for our newsletter
AQI US, Metric