AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 14:00, Aug 20 Local time
46
US AQI⁺Good
Main pollutant:
O₃
100 µg/m³
23°
8 km/h
57 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 48 | | 24° 15° |  9 km/h | 66% |
| Fri | 59 |  | 26° 17° | 8 km/h | 72% |
| Sat | 67 | | 16° 11° | 8 km/h | 91% |
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
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?
- Enumclaw Mud Mt (SO)20
- 6214 284th Way Northeast26
- Ames Lake East26
- 174th Avenue Southeast29
- Northeast 34th Street29
- River Bend29
- Summit West29
- Duvall, WA31
- Ames Lake Forest/Tree Farm33
- Lake Margaret34
- 311th NE & NE 139th Duvall35
- 337th Place Northeast35
- Rimrock37
- Waterbrook37
- 322nd Avenue Northeast38
- Tolt Highlands38
- Tolt Highlands 238
- 29035 NE 22nd St39
- Erste Strasse39
- Southeast 32nd Street40
- McClone Construction41
- Stillwater Hill station41
- Northeast 32nd Street42
- SW TigerMt44
- Stillwater Hill44
- Cumberland Kanasket Road Southeast48
- Valley Camp49
- RSD - Tolt51
- 22612-22400 SE 329th St52
- SE 366th Pl52
- Fall City62
