Air quality in United States
Air quality in Oregon today
Updated
Good: average US AQI 44 across 17 cities in Oregon Worst now: Wilsonville (64); cleanest: Redmond, OR (25).
Live US AQI, PM2.5 and ozone for cities across Oregon, compared with the United States average.
- Average US AQI
- 44 Good
- United States average
- 50 747 cities
- Most polluted now
- Wilsonville AQI 64
- Cleanest now
- Redmond, OR AQI 25
- Cities above 100
- 0
Air quality in Oregon today
Right now the modelled air quality in Oregon averages a US AQI of 44 (Good) across the 17 cities we track. By category: 10 Good, 7 Moderate (of 17).
That is 6 points cleaner than the United States average of 50, ranking 24 of 51 states from cleanest to most polluted.
Wilsonville has the worst air at 64 (PM2.5 4.6 µg/m³), and Redmond, OR the cleanest at 25. No tracked city is above 100, so no group needs to change plans.
Oregon cities by AQI (most polluted first)
| City | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Wilsonville | 64 | Moderate | 4.6 | 6 | 62 |
| Portland | 61 | Moderate | 5.3 | 6 | 61 |
| Beaverton | 61 | Moderate | 5.3 | 6 | 61 |
| Tigard | 61 | Moderate | 5.3 | 6 | 61 |
| Tualatin | 61 | Moderate | 5.3 | 6 | 61 |
| Bethany | 61 | Moderate | 5.3 | 6 | 61 |
| McMinnville | 60 | Moderate | 2.3 | 3 | 65 |
| Salem | 45 | Good | 2.1 | 3 | 67 |
| Albany | 45 | Good | 2.1 | 3 | 67 |
| Grants Pass | 30 | Good | 2.4 | 3 | 88 |
| Bend | 29 | Good | 0.7 | 1 | 87 |
| Klamath Falls | 29 | Good | 0.7 | 1 | 80 |
| Eugene | 28 | Good | 4.1 | 6 | 80 |
| Springfield | 28 | Good | 4.1 | 6 | 80 |
| Medford | 27 | Good | 1.5 | 2 | 92 |
| Ashland | 27 | Good | 0.9 | 1 | 93 |
| Redmond | 25 | Good | 0.8 | 1 | 83 |
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.
Cities in Oregon
- Air quality in Portland
- Air quality in Eugene
- Air quality in Salem
- Air quality in Gresham
- Air quality in Hillsboro
- Air quality in Beaverton
- Air quality in Bend
- Air quality in Medford
- Air quality in Springfield
- Air quality in Albany
- Air quality in Tigard
- Air quality in Grants Pass
- Air quality in McMinnville
- Air quality in Redmond
- Air quality in Tualatin
- Air quality in Wilsonville
- Air quality in Klamath Falls
- Air quality in Ashland
- Air quality in Bethany
More
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).