Latest about air quality
purOxygen P500 review
REVIEW It may be boxy in design, but the purOxygen P50 offers advanced four-stage filtration — find out how we got on with it in our at-home testing.
Blue Pure 511 review
REVIEW Affordable and compact, the Blue Pure 511 is a modest air purifier that pleasantly surprises without overwhelming.
What are the most polluted cities in the world?
Cities like Lahore, Pakistan, Hotan China and Delhi, India have consistently poor air quality, but it's impossible to accurately identify the city with the world's worst air pollution.
DH Lifelabs Sciaire + HEPA Air Purifier review
REVIEW If you’re after a large and impressive air purifier that performs well at removing bacteria and viruses, the DH Lifelabs Sciaire + HEPA Air Purifier could be perfect for you.
IKEA FÖRNUFTIG review
REVIEW It’s stylish, easy to operate and affordable, but can the IKEA FÖRNUFTIG impress us with performance too?
Hawaii's erupting Kilauea volcano is spewing 'vog' and may launch dangerous glass shards
Hawaii's Kilauea volcano started erupting last week. Wind around the eruption site could carry volcanic smog and thin glass shards across the Big Island.
Sensibo Pure review
REVIEW It’s compact enough to sit on a shelf or tabletop, but can the Sensibo Pure compete with its much bigger air purifier rivals? We put it to the test.
Canadian wildfire smoke detected thousands of miles away in Norway
Wildfire smoke from Canada has hit Norway, which is more than 3,000 miles from the North American country.
