AddAir quality in King County
Air quality index (AQI⁺) and PM2.5 air pollution in King County • 09:00, Jun 30 Local time
16
US AQI⁺Good
Main pollutant:
O₃
34 µg/m³
9°
7 km/h
91 %
Hourly forecast
King County air quality index (AQI⁺) forecast
Daily forecast
King County air quality index (AQI⁺) forecast
| Today | 24 | | 12° 8° |  11 km/h | 87% |
| Wed | 20 | | 10° 6° | 9 km/h | 94% |
| Thu | 35 | | 18° 6° | 13 km/h | 74% |
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 Low | 25% |
 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 Low | 25% |
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?
- 12339-12347 202nd Pl SE1
- Cumberland Kanasket Road Southeast1
- Southeast 100th Street1
- Summit West1
- 174th Avenue Southeast2
- 22612-22400 SE 329th St2
- Southeast 240th Street2
- Southeast 32nd Street2
- 337th Place Northeast3
- Fall City3
- SE 366th Pl3
- 322nd Avenue Northeast4
- Ames Lake East4
- River Bend4
- Tolt Highlands4
- 311th NE & NE 139th Duvall5
- 6214 284th Way Northeast5
- Duvall, WA5
- Erste Strasse6
- Valley Camp6
- 29035 NE 22nd St8
- Stillwater Hill9
- RSD - Tolt13
- Enumclaw Mud Mt (SO)14
- Stillwater Hill station18
- Tolt Highlands 218
- Waterbrook21
- Lake Margaret24
- SW TigerMt24
