Wildfire smoke, even from fires far away, carries potentially harmful gases that, once inside, tend to stick around. An air quality specialist offers an easy, cheap, effective way to deal with it.
A do-it-yourself air purifier in use in a classroom.
Douglas Hannah
3D printers got a lot of attention when DIYers leapt to action to address equipment shortages early in the pandemic, but some everyday items found in hardware stores played a big role, too.
A sign is placed outside a disinfected classroom at Queen’s Hill Primary School in Costessey near Norwich.
PA Images / Alamy Stock Photo
Governments and companies alike are budgeting millions for air cleaning technologies to curb the spread of COVID. Experts say standard building ventilation - and social distancing - work
Open windows are the easiest way to ventilate a room.
Justin Paget / Digital Vision via Getty Images
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.
On many days Canberra has the worst air quality of any major international city. Even in the best buildings it’s not good.
NARENDRA SHRESTHA/EPA
With smoke haze this week at its most hazardous level yet, people on Australia’s east coast have been taking precautions to protect their health. But some methods are more effective than others.
Professor, Science and Engineering Faculty; Director, International Laboratory for Air Quality and Health (WHO CC for Air Quality and Health); Director - Australia, Australia – China Centre for Air Quality Science and Management (ACC-AQSM), Queensland University of Technology