This month, Snohomish County launched the Climate Vulnerability Tool as a way to illustrate how climate change trends will affect residents, depending on where they live in the county.

In Arlington, two “blocks” on the county’s vulnerability map encompassing downtown and the airport show an asthma prevalence of 11.4%.

EVERETT — Snohomish County is hosting an open house focusing on climate resilience and preparedness 5:30-7:30 p.m. July 30 at Mariner High School, 200 120th St SW. Residents will have the ...

The map is divided into 13 zones, each split into A and B groups. Zone 1a represents -60 degrees Fahrenheit to -55, Zone 1b represents -55 to -50, and so on.