AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 18:00, Sep 20 Local time
32
US AQI⁺Good
Main pollutant:
O₃
70 µg/m³
17°
5 km/h
70 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 60 |  | 15° 10° |  7 km/h | 87% |
| Mon | 52 | | 14° 8° | 6 km/h | 81% |
| Tue | 40 |  | 17° 5° | 7 km/h | 59% |
Air pollutants
What is the current air quality in King County?
PM2.5 concentration is currently 1.1 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 Street25
- Tolt Highlands26
- 174th Avenue Southeast28
- Ames Lake East28
- Enumclaw Mud Mt (SO)28
- McClone Construction28
- SW TigerMt28
- Southeast 240th Street28
- Tolt Highlands 228
- Waterbrook28
- 6214 284th Way Northeast29
- River Bend29
- Northeast 32nd Street30
- 29035 NE 22nd St31
- Erste Strasse31
- Lake Margaret33
- 322nd Avenue Northeast34
- 311th NE & NE 139th Duvall36
- 337th Place Northeast36
- Valley Camp36
- Southeast 32nd Street37
- Cumberland Kanasket Road Southeast38
- SE 366th Pl38
- RSD - Tolt39
- Stillwater Hill station39
- Summit West40
- Ames Lake Forest/Tree Farm41
- 22612-22400 SE 329th St43
- Stillwater Hill47
