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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
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Pollen
What is the pollen count in Portland today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portland?
| Weather | Scattered clouds |
| Temperature | 42.8°F |
| Humidity | 95% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Blaine, Minnesota | 195 |
| 2 | Apple Valley, Minnesota | 188 |
| 3 | Minneapolis, Minnesota | 180 |
| 4 | Saint Paul, Minnesota | 179 |
| 5 | Detroit Lakes, Minnesota | 178 |
| 6 | Edina, Minnesota | 175 |
| 7 | Savage, Minnesota | 175 |
| 8 | Rochester, Minnesota | 174 |
| 9 | Chippewa Falls, Wisconsin | 155 |
| 10 | Houghton, Michigan | 154 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Portland aqi ranking
Real-time Portland air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Portland Tukey's Bridge | 29 |
| 2 | 24 Osprey Terrace | 19 |
| 3 | Cassidy Point Dr | 19 |
| 4 | Portland Deering Oaks | 11 |
(local time)
SEE WORLD AQI RANKING
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 | 3.5µg/m³ | |
| PM10 | 12µg/m³ | |
| O3 | 28µg/m³ | |
| NO2 | 24.6µg/m³ | |
✓
PM2.5 concentration in Portland air currently meets the WHO annual air quality guideline value
Forecast
Portland air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 10 | Good 21 AQI US | | 50° 39.2° |  8.9 mp/h |
| Saturday, May 11 | Good 24 AQI US |  | 57.2° 41° | 8.9 mp/h |
| Sunday, May 12 | Good 21 AQI US |  | 57.2° 42.8° | 11.2 mp/h |
| Today | Good 19 AQI US | | 57.2° 42.8° | 11.2 mp/h |
| Tuesday, May 14 | Good 29 AQI US | 90% | 66.2° 50° | 11.2 mp/h |
| Wednesday, May 15 | Good 41 AQI US | 90% | 57.2° 53.6° | 8.9 mp/h |
| Thursday, May 16 | Good 31 AQI US | 30% | 60.8° 50° | 6.7 mp/h |
| Friday, May 17 | Good 46 AQI US | | 60.8° 50° | 6.7 mp/h |
| Saturday, May 18 | Good 33 AQI US | 100% | 51.8° 50° | 6.7 mp/h |
| Sunday, May 19 | Good 12 AQI US | 100% | 68° 50° | 8.9 mp/h |
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Portland air quality data attribution
3 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portland?
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AQI US, Metric