AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 21:00, Aug 31 Local time
49
US AQI⁺Good
Main pollutant:
PM2.5
8.8 µg/m³
15°
3 km/h
73 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 54 |  | 17° 12° |  12 km/h | 79% |
| Tue | 34 |  90% | 13° 9° | 14 km/h | 90% |
| Wed | 29 |  | 11° 7° | 11 km/h | 91% |
Air pollutants
What is the current air quality in King County?
PM2.5 concentration is currently 1.8 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
Moderate
 Tree None | 0% |
 Grass None | 0% |
 Weed Moderate | 50% |
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
Moderate
Tree None | 0% |
Grass None | 0% |
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
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?
- Ames Lake Forest/Tree Farm1
- River Bend6
- 337th Place Northeast7
- McClone Construction8
- Southeast 240th Street8
- Northeast 32nd Street9
- Southeast 32nd Street9
- 174th Avenue Southeast11
- Northeast 34th Street11
- Tolt Highlands11
- 6214 284th Way Northeast12
- Ames Lake East12
- Cumberland Kanasket Road Southeast12
- 311th NE & NE 139th Duvall13
- 322nd Avenue Northeast14
- Valley Camp14
- 29035 NE 22nd St16
- Stillwater Hill17
- 22612-22400 SE 329th St18
- RSD - Tolt20
- SE 366th Pl21
- Duvall, WA22
- SW TigerMt26
- Tolt Highlands 227
- Lake Margaret28
- Stillwater Hill station28
- Waterbrook28
- Erste Strasse29
- Summit West62
