Articles on Air filter
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An atmospheric chemist offers quick, easy and inexpensive suggestions to reduce indoor air pollution.
All up, your risk of catching COVID on a flight is very low. But there are things you can do to lower that risk even further.
A$50 million could provide all NSW school classrooms with air purifiers with HEPA filters. This pales compared to the roughly $220 million-a-day cost of Sydney’s lockdown.
We found two small air cleaners in a single hospital room could clear 99% of potentially infectious COVID aerosols within 5.5 minutes.
Living next to a highway is not great for health, but a new study shows that running air filters indoors can remove tiny particles of pollution and lower blood pressure.
Good ventilation can reduce the risk of catching coronavirus. An environmental engineer explains how to know if enough outside air is getting into a room and what to do if ventilation is bad.





