Particulate matter levels in air exceed WHO limits in majority of world's big cities
Fewer than one in five global cities met World Health Organization air pollution standards in 2024 with Central and South ...
Science Daily6h
Delhi air pollution worse than expected as water vapor skews figures
New Delhi's air pollution is more severe than previously estimated with particles absorbing atmospheric water vapor leading to particulate matter levels across the city being underestimated by up to ...
WBHM 90.33d
What’s Causing Birmingham’s Code Red Air Quality Alert?
A prescribed burn is harming air quality. Here’s what Jefferson and Shelby County residents should do to protect their health ...
KGOU9h
High winds, low humidity fuel fire danger across Oklahoma
The Oklahoma Department of Environmental Quality issued a health advisory about particulate matter in the air. As of 2 p.m., ...
Devdiscourse2d
Delhi's Air: How Humidity Skews Pollution Estimates by 20%
A new study reveals that Delhi's winter humidity causes fine particulate matter (PM1) to absorb moisture, potentially ...
Yahoo3d
Particulate matter levels in air exceed WHO limits in majority of world's big cities
People brave "severe plus" smog shrouding New Delhi, India, on November 15 when the National Capital Region's Air Quality Index hit 424, according to the Central Pollution Control Board.