Air quality standards | WELL Standard

#25192 - If a project is pursuing WELL New & Existing Interiors, and there is an office on level +1, with the ground floor only being a lobby and reception, is it necessary to do radon testing?

Yes, radon testing is required on the ground floor (or below ground floor), if the floors are included in the project scope and if they are regularly occupied.

#24751 - Where can project teams find ambient air quality to see if projects are eligible to use the alternate PM limits in the AAP for Feature 01?

One resource projects may use is the World Health Organization’s Global Urban Ambient Air Pollution Database, available at http://www.who.int/phe/health_topics/outdoorair/databases/cities/en/

#24752 - How will GBCI determine the threshold for the second option to the alternate PM limit in the AAP for Feature 01?

GBCI will use data from air quality measurements near the project and take 30% of the average value. For example, if the ambient PM2.5 levels average 90 µg/m³ on the day of Performance Verification, the project will use 27 µg/m³ as the threshold for Part 2c. Note that projects using this approach are limited to Silver certification level.