AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 06:00, Sep 01 Local time
49
US AQI⁺Good
Main pollutant:
PM2.5
8.9 µg/m³
14°
6 km/h
82 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 51 |  | 16° 12° |  11 km/h | 83% |
| Wed | 33 |  90% | 16° 9° | 15 km/h | 82% |
| Thu | 34 |  | 18° 6° | 12 km/h | 63% |
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
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?
- Northeast 34th Street22
- 6214 284th Way Northeast31
- Lake Margaret32
- Tolt Highlands 238
- Stillwater Hill station39
- Waterbrook39
- 174th Avenue Southeast41
- Duvall, WA41
- Northeast 32nd Street43
- RSD - Tolt43
- Ames Lake East46
- Stillwater Hill47
- River Bend48
- 322nd Avenue Northeast49
- SW TigerMt49
- Tolt Highlands49
- 311th NE & NE 139th Duvall51
- 29035 NE 22nd St52
- 337th Place Northeast52
- Southeast 240th Street52
- Valley Camp52
- McClone Construction53
- Southeast 32nd Street53
- SE 366th Pl56
- 22612-22400 SE 329th St58
- Ames Lake Forest/Tree Farm58
- Enumclaw Mud Mt (SO)58
- Cumberland Kanasket Road Southeast59
- Erste Strasse64
- Summit West64
- Fall City68
