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
8 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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Clear sky |
| Temperature | 55.4°F |
| Humidity | 1% |
| Wind | 7.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Boerne, Texas | 157 |
| 2 | Georgetown, Texas | 152 |
| 3 | Leander, Texas | 143 |
| 4 | Round Rock, Texas | 142 |
| 5 | Cedar Park, Texas | 140 |
| 6 | San Antonio, Texas | 128 |
| 7 | New Braunfels, Texas | 119 |
| 8 | Austin, Texas | 112 |
| 9 | Midlothian, Texas | 96 |
| 10 | Fort Worth, Texas | 87 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
30*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 30* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.5*µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Portland is currently 1.1 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 30 AQI US |  40% | 69.8° 53.6° |  13.4 mp/h |
| Wednesday, May 29 | Good 31 AQI US | 100% | 62.6° 50° | 13.4 mp/h |
| Thursday, May 30 | Good 19 AQI US |  | 66.2° 46.4° | 4.5 mp/h |
| Friday, May 31 | Good 17 AQI US |  | 68° 46.4° | 6.7 mp/h |
| Saturday, Jun 1 | Good 47 AQI US | 100% | 64.4° 53.6° | 13.4 mp/h |
| Sunday, Jun 2 | Moderate 65 AQI US  | | 78.8° 53.6° | 8.9 mp/h |
| Monday, Jun 3 | Moderate 65 AQI US | 100% | 71.6° 64.4° | 6.7 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