AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 19:00, Jul 21 Local time
66
US AQI⁺Moderate
Main pollutant:
PM2.5
17 µg/m³
26°
6 km/h
59 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 98 |  | 28° 21° |  9 km/h | 61% |
| Wed | 78 | | 24° 14° | 9 km/h | 63% |
| Thu | 74 | | 26° 11° | 9 km/h | 52% |
Air pollutants
What is the current air quality in King County?
PM2.5 concentration is currently 3.4 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
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?
- 6214 284th Way Northeast52
- Stillwater Hill52
- 174th Avenue Southeast53
- Ames Lake East53
- Tolt Highlands53
- 311th NE & NE 139th Duvall54
- 29035 NE 22nd St55
- 322nd Avenue Northeast56
- 337th Place Northeast56
- Northeast 32nd Street57
- River Bend58
- Tolt Highlands 258
- Southeast 100th Street59
- Ames Lake Forest/Tree Farm60
- RSD - Tolt60
- SW TigerMt60
- Lake Margaret62
- SE 366th Pl64
- Stillwater Hill station64
- 12339-12347 202nd Pl SE68
- McClone Construction69
- Enumclaw Mud Mt (SO)70
- Southeast 32nd Street70
- Waterbrook71
- Southeast 240th Street74
- 22612-22400 SE 329th St76
- Valley Camp77
- Cumberland Kanasket Road Southeast80
- Summit West82
- Fall City95
