AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 11:00, Oct 21 Local time
25
US AQI⁺Good
Main pollutant:
PM2.5
4.5 µg/m³
15°
2 km/h
48 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 31 | | 17° 10° |  9 km/h | 56% |
| Thu | 51 |  | 9° 5° | 10 km/h | 78% |
| Fri | 41 |  | 5° 2° | 7 km/h | 86% |
Air pollutants
What is the current air quality in King County?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in King County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in King County today?
Index
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in King County today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in King County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near King County
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in King County
Historic air quality near King County
History
Historic air quality graph for King County
Historic air quality near King County
History
Historic air quality graph for King County
Most polluted locations near King County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in King County
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Learn more about global air quality
Where is the cleanest air quality in King County?
- Rattlesnake Mountain3
- Ames Lake Forest/Tree Farm4
- River Bend9
- 6214 284th Way Northeast12
- Ames Lake East13
- Northeast 32nd Street14
- 337th Place Northeast17
- 29035 NE 22nd St18
- 174th Avenue Southeast21
- Southeast 32nd Street23
- Tolt Highlands23
- 311th NE & NE 139th Duvall25
- Valley Camp26
- 322nd Avenue Northeast28
- Lake Margaret28
- SW TigerMt28
- Waterbrook28
- RSD - Tolt32
- Tolt Highlands 233
- McClone Construction37
- Stillwater Hill station38
- Erste Strasse40
- Fall City46
- Cumberland Kanasket Road Southeast48
- SE 366th Pl51
- Stillwater Hill52
- Enumclaw Mud Mt (SO)54
- Summit West55
