You are browsing the archive for pm2.5 Archives - AGU Blogosphere.

21 April 2020

South Asia faces increased double-threat of extreme heat, extreme pollution

Extreme heat occurrences worldwide have increased in recent decades, and at the same time, many cities are facing severe air pollution problems, featuring episodes of high particulate matter pollution. This study provides an integrated assessment of human exposure to rare days of both extreme heat and high PM levels.


16 April 2019

Dust toll in Africa exceeds deaths from HIV

New modeling indicates mineral dust from the Sahara is the biggest contributor to air pollution-related premature deaths on the African continent.


18 October 2018

A clearer path to clean air in China

China has invested billions of dollars to clean up its deadly air pollution, focusing intensely on reducing emissions of sulfur dioxide from coal-burning power plants. A new study shows reducing formaldehyde emissions may be the key to clearing winter air.


7 July 2017

NASA Satellite Sees Air Pollution from Fireworks on the 4th

Suffice to say, those with asthma and other breathing disorders might want to watch the fireworks on TV next year. I was surprised at how strong the signal was. The fact that independence was declared in early July when the atmosphere is fairly quiet with light winds, means the dispersal will be slow. Even more so when you have a low-level temperature inversion that can trap the fine particles near …