AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 19:00, Aug 28 Local time
25
US AQI⁺Good
Main pollutant:
O₃
54 µg/m³
14°
4 km/h
91 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 57 |  90% | 14° 8° |  13 km/h | 91% |
| Sat | 84 |  | 14° 8° | 9 km/h | 87% |
| Sun | 51 |  | 22° 7° | 10 km/h | 58% |
Air pollutants
What is the current air quality in King County?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
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?
- Lake Margaret6
- Tolt Highlands 26
- Fall City7
- SW TigerMt11
- Stillwater Hill station11
- Waterbrook11
- Southeast 240th Street13
- 174th Avenue Southeast14
- 322nd Avenue Northeast16
- McClone Construction16
- 29035 NE 22nd St17
- 311th NE & NE 139th Duvall17
- 337th Place Northeast17
- 6214 284th Way Northeast17
- Erste Strasse17
- SE 366th Pl17
- Southeast 32nd Street17
- Summit West17
- 22612-22400 SE 329th St18
- Northeast 34th Street18
- Rimrock18
- Tolt Highlands18
- Ames Lake East19
- Northeast 32nd Street19
- 12339-12347 202nd Pl SE20
- Cumberland Kanasket Road Southeast20
- Duvall, WA20
- Enumclaw Mud Mt (SO)21
- Stillwater Hill21
- Valley Camp21
- RSD - Tolt24
