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OCCUPATIONAL HEALTH BRANCH

Occupational Health Watch: October 2021

​Indoor Air at Work & COVID-19 

A new fact sheet (PDF) highlights how to improve the air quality indoors to reduce the risk of COVID-19. portable fan pushing indoor air out while fresh air enters through the open window

The fact sheet provides links to a longer guidance document on indoor air quality and ventilation that Cal/OSHA requires employers to review, as well as to the updated Cal/OSHA Emergency Temporary Standard.

You will learn:

  • how to use ventilation to improve indoor air quality and why it's important

  • do's and don'ts when using fans

  • tips if you have a mechanical heating, ventilation, and air conditioning (or HVAC) system, and

  • helpful hints and links on portable air cleaning devices.

We have also developed user-friendly social media graphics and short videos that help to explain California ventilation requirements for preventing COVID-19. See the samples below or on our Tools for Workers webpages.

​​woman in front of open door with hair blowing in the breeze; live link to watch video
​​woman checking ventilation system; text: "Fresh air to the max."

Resources

COVID-19 & Indoor Air Quality Ventilation Tips (PDF) – fact sheet

COVID-19 Ventilation Guidance – full document

OHB COVID-19 website – Tools for Workers and Best Practices for the Workplace

CDPH Indoor Air Quality section – website ​


Email OHW@cdph.ca.gov with feedback about this update or change of address.
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