AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 21:00, Jun 22 Local time
58
US AQI⁺Moderate
Main pollutant:
O₃
112 µg/m³
18°
4 km/h
77 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 56 |  | 24° 17° |  9 km/h | 57% |
| Tue | 54 | | 24° 12° | 14 km/h | 58% |
| Wed | 40 | | 19° 7° | 14 km/h | 64% |
Air pollutants
What is the current air quality in King County?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
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
Moderate
 Tree None | 0% |
 Grass Moderate | 50% |
 Weed Moderate | 50% |
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
Moderate
Tree None | 0% |
Grass Moderate | 50% |
Weed Moderate | 50% |
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?
- McClone Construction8
- SW TigerMt11
- Ames Lake Forest/Tree Farm16
- Lake Margaret17
- Tolt Highlands 217
- Waterbrook17
- 174th Avenue Southeast21
- Southeast 240th Street21
- River Bend22
- Stillwater Hill station22
- 6214 284th Way Northeast23
- Erste Strasse23
- Valley Camp24
- 29035 NE 22nd St25
- Cumberland Kanasket Road Southeast25
- 337th Place Northeast26
- Fall City26
- Southeast 100th Street26
- Stillwater Hill26
- 311th NE & NE 139th Duvall27
- 322nd Avenue Northeast27
- SE 366th Pl27
- Southeast 32nd Street27
- Summit West27
- Tolt Highlands28
- 22612-22400 SE 329th St29
- Ames Lake East29
- Duvall, WA31
- RSD - Tolt33
- Enumclaw Mud Mt (SO)45
