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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 | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Clear sky |
| Temperature | 53.6°F |
| Humidity | 92% |
| Wind | 0 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Georgetown, Texas | 147 |
| 2 | Boerne, Texas | 136 |
| 3 | San Antonio, Texas | 129 |
| 4 | Round Rock, Texas | 127 |
| 5 | Austin, Texas | 107 |
| 6 | Little Rock, Arkansas | 87 |
| 7 | Lake Charles, Louisiana | 85 |
| 8 | Mecca, California | 81 |
| 9 | Port Arthur, Texas | 81 |
| 10 | Corpus Christi, Texas | 78 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
41*
live AQI index
Good
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 41* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.5*µg/m³ | |
!
PM2.5
x1.5
PM2.5 concentration in Portland is currently 1.5 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 41 AQI US |  | 68° 50° |  8.9 mp/h |
| Friday, May 10 | Good 16 AQI US |  90% | 57.2° 44.6° | 6.7 mp/h |
| Saturday, May 11 | Good 10 AQI US | 80% | 53.6° 42.8° | 8.9 mp/h |
| Sunday, May 12 | Good 11 AQI US | 80% | 55.4° 42.8° | 4.5 mp/h |
| Monday, May 13 | Good 37 AQI US |  | 69.8° 42.8° | 8.9 mp/h |
| Tuesday, May 14 | Moderate 55 AQI US  | 50% | 71.6° 51.8° | 11.2 mp/h |
| Wednesday, May 15 | Moderate 62 AQI US | 100% | 57.2° 55.4° | 8.9 mp/h |
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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