AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 09:00, Jul 21 Local time
58
US AQI⁺Moderate
Main pollutant:
PM2.5
12.8 µg/m³
19°
3 km/h
86 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 73 |  | 27° 19° |  7 km/h | 64% |
| Wed | 85 | | 31° 20° | 13 km/h | 54% |
| Thu | 73 | | 26° 15° | 16 km/h | 49% |
Air pollutants
What is the current air quality in King County?
PM2.5 concentration is currently 2.6 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Sensitive groups should reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Sensitive groups should run an air purifier Get an air purifier |
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
Sensitive groups should reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Sensitive groups should run an air purifier Get an air purifier |
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
City ranking
Real-time USA AQI⁺ city ranking
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
City ranking
Real-time USA AQI⁺ city ranking
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)10
- 6214 284th Way Northeast37
- Stillwater Hill41
- 174th Avenue Southeast42
- 22612-22400 SE 329th St44
- Lake Margaret44
- 322nd Avenue Northeast47
- 337th Place Northeast47
- RSD - Tolt48
- Tolt Highlands49
- Ames Lake East50
- 311th NE & NE 139th Duvall51
- SE 366th Pl52
- Southeast 100th Street52
- Stillwater Hill station53
- Tolt Highlands 253
- 29035 NE 22nd St55
- SW TigerMt56
- Waterbrook56
- Southeast 240th Street58
- River Bend61
- Ames Lake Forest/Tree Farm62
- McClone Construction62
- Southeast 32nd Street71
- Cumberland Kanasket Road Southeast76
- Valley Camp83
- Summit West89
- Fall City92
