Home > USA > Washington > King County > Black Diamond
Primary air pollutant in the Black Diamond area:
OZONE - 44 Good
Enjoy your outdoor activities.
For Apr 14-18 (Mon-Fri): We will have GOOD air quality throughout the sound this week. Mild temperatures, mostly sunny skies, and light winds will keep the air mixed and pollution levels from rising.
Primary Pollutant: PM2.5 - 28 Good
Primary Pollutant: PM2.5 - 28 Good
Primary Pollutant: PM2.5 - 28 Good