Indoor Air Quality Topics in the Spotlight

In The Spotlight

Find information you need to improve your indoor air quality.

an air cleaner in a large room

Air Cleaners and Air Filters

Using a portable air cleaner and/or upgrading the air filter in your furnace or central heating, ventilation, and air-conditioning (HVAC) system can help to improve indoor air quality.

a smoke alarm

Carbon Monoxide

Carbon monoxide is an odorless, colorless and toxic gas. Because it is impossible to see, taste or smell the toxic fumes, CO can kill you before you are aware it is in your home. (Information available in 10 languages)

depiction of extreme heat with bright sun and with soaring temperature on a thermometer

IAQ and Changing Outdoor Environments

Changing environmental conditions outdoors may worsen indoor air quality, and it may also introduce new problems as the severity of adverse outdoor conditions change

Front cover of the Tribal Training and Resource Directory

Tribal Indoor Air Quality Resource Directory

This directory was created to consolidate helpful resources for Tribes and Tribal members who are interested in starting or expanding indoor air quality (IAQ) programs in their communities.

indoor particulate matter logo

Indoor Particulate Matter

Indoor PM is found in all indoor environments. It has the potential to exceed outdoor PM levels and can have negative impacts on human health. 

different types of air sensors

Air Sensor Technology and Indoor Air Quality

Air Sensor technology advances and increasing availability in the consumer marketplace are changing the landscape of indoor air quality management. 

Indoor Air Quality (IAQ)

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Last updated on April 30, 2026