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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 | High | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Scattered clouds |
| Temperature | 73.4°F |
| Humidity | 73% |
| Wind | 10 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 159 |
| 2 | Channelview, Texas | 126 |
| 3 | Pasadena, Texas | 122 |
| 4 | Galena Park, Texas | 120 |
| 5 | Boerne, Texas | 119 |
| 6 | Houston, Texas | 117 |
| 7 | Galveston, Texas | 114 |
| 8 | New Braunfels, Texas | 110 |
| 9 | San Antonio, Texas | 109 |
| 10 | Baytown, Texas | 108 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
52*
live AQI index
Moderate
Overview
What is the current air quality in Portland?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.8*µg/m³ | |
!
PM2.5
x2
PM2.5 concentration in Portland is currently 2 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 DISCOVER ATEM CAR |
Forecast
Portland air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 52 AQI US |  100% | 75.2° 60.8° |  11.2 mp/h |
| Tuesday, May 28 | Moderate 54 AQI US |  | 71.6° 57.2° | 11.2 mp/h |
| Wednesday, May 29 | Good 44 AQI US  | | 69.8° 53.6° | 11.2 mp/h |
| Thursday, May 30 | Good 41 AQI US | | 69.8° 50° | 6.7 mp/h |
| Friday, May 31 | Good 46 AQI US | | 71.6° 50° | 11.2 mp/h |
| Saturday, Jun 1 | Moderate 60 AQI US | 80% | 75.2° 55.4° | 13.4 mp/h |
| Sunday, Jun 2 | Moderate 80 AQI US | 100% | 71.6° 60.8° | 13.4 mp/h |
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Where is the cleanest air quality in Portland?
No locations are available.
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AQI US, Metric