Category:Indoor air pollution

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The main page of the topic is Indoor air pollution.Tap for more
Indoor air is typically several times more polluted than the air outside. Design and living choices can reduce this. Pages in this category (listed below) may include subtopics, how-tos, projects, designs, organizations and more.
To include a page in this category, paste [[Category:Indoor air pollution]] at the end of that page.

Subcategories

This category has only the following subcategory.

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