AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 23:00, Jul 20 Local time
44
US AQI⁺Good
Main pollutant:
PM2.5
8 µg/m³
20°
1 km/h
72 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 87 |  | 27° 19° |  7 km/h | 64% |
| Wed | 82 | | 31° 20° | 13 km/h | 54% |
| Thu | 78 |  | 26° 15° | 16 km/h | 49% |
Air pollutants
What is the current air quality in King County?
PM2.5 concentration is currently 1.6 times the World Health Organization annual PM2.5 guideline value.
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
High
 Tree None | 0% |
 Grass None | 0% |
 Weed High | 75% |
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
High
Tree None | 0% |
Grass None | 0% |
Weed High | 75% |
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.
Where is the cleanest air quality in King County?
- Enumclaw Mud Mt (SO)14
- McClone Construction31
- 6214 284th Way Northeast33
- 174th Avenue Southeast34
- 337th Place Northeast35
- Southeast 240th Street36
- River Bend39
- Tolt Highlands39
- Southeast 32nd Street41
- Stillwater Hill41
- 22612-22400 SE 329th St42
- Ames Lake East42
- Ames Lake Forest/Tree Farm42
- 29035 NE 22nd St43
- 311th NE & NE 139th Duvall44
- Lake Margaret44
- Tolt Highlands 244
- Waterbrook44
- SE 366th Pl45
- Southeast 100th Street46
- 322nd Avenue Northeast47
- Cumberland Kanasket Road Southeast49
- RSD - Tolt51
- Stillwater Hill station53
- SW TigerMt55
- Valley Camp59
- Fall City61
- Summit West90
- Erste Strasse99
