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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 | Broken clouds |
| Temperature | 51.8°F |
| Humidity | 89% |
| Wind | 5 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Coachella, California | 110 |
| 2 | Corpus Christi, Texas | 91 |
| 3 | Mecca, California | 88 |
| 4 | Thermal, California | 80 |
| 5 | Campo, California | 75 |
| 6 | Trussville, Alabama | 70 |
| 7 | Yucaipa, California | 70 |
| 8 | Pahrump, Nevada | 69 |
| 9 | Dundalk, Maryland | 67 |
| 10 | San Antonio, Texas | 65 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
19*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 19* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.5*µg/m³ | |
✓
PM2.5 concentration in Portland air currently meets 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 19 AQI US |  80% | 68° 50° |  11.2 mp/h |
| Friday, May 24 | Good 39 AQI US | 100% | 71.6° 48.2° | 17.9 mp/h |
| Saturday, May 25 | Good 10 AQI US |  | 64.4° 37.4° | 11.2 mp/h |
| Sunday, May 26 | Good 27 AQI US | 100% | 53.6° 50° | 15.7 mp/h |
| Monday, May 27 | Good 45 AQI US | 70% | 51.8° 50° | 11.2 mp/h |
| Tuesday, May 28 | Good 9 AQI US | 100% | 64.4° 48.2° | 13.4 mp/h |
| Wednesday, May 29 | Good 7 AQI US | | 60.8° 44.6° | 15.7 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