Air Pollution

Korea sounded the first pollution emergency alarm of 2022 on Sunday as ultrafine dust levels in Seoul surged four to five times of normal levels to more than 100 ㎍ per hour. The National Institute of Environmental Research said, "Stagnant air has caused fine dust to linger and accumulate over…

Cities worldwide are shrouded with air pollution – and it's killing people. A new modeling study found that 86% of people living in cities throughout the world – a total of 2.5 billion people – are exposed to fine particulate matter at levels that exceed the World Health Organization's 2005…

The air quality in and around Calgary is taking a turn for the worse Friday afternoon and evening. Environment and Climate Change Canada (ECCC) issued a special air quality statement Friday afternoon, expecting elevated pollution levels “until later this evening” in Calgary and surrounding Rocky View County. “Individuals may experience…

Researchers estimate that 1.85 million new childhood asthma cases in 2019 were linked with exposure to nitrogen dioxide, a toxic gas released by diesel vehicles Health 5 January 2022 By Adam Vaughan Heavy traffic on a street in New Delhi, India Raj K Raj/Hindustan Times/Getty Images About one in 12…

The simultaneous occurence of extreme levels of ozone and particulate matter have increased significantly in the past decade due to wildfires in the western US Environment 5 January 2022 By Adam Vaughan Griffith Observatory in Los Angeles during the wildfire season in September 2020 Brian van der Brug/Los Angeles Times/Shutterstock…

Traffic-related air pollution was responsible for nearly 2 million new asthma cases in children across the globe in 2019, according to a new study. Of the 1.85 million new pediatric asthma cases that were attributed to nitrogen dioxide (NO2), two-thirds occurred in urban areas, reported Susan Anenberg, PhD, of George…

The PNP ordered a crackdown on prohibited firecrackers and pyrotechnic devices in December to reduce cases of firecracker-related deaths and injuries during Christmas and New Year’s Eve festivities. Michael Varcas / File MANILA, Philippines — Air pollution levels in the cities of Manila and Marikina have exceeded the safe standards…

Reductions in air pollution can lower the risk for dementia among older women exposed to it, a new study suggests. File photo by akiyoko/Shutterstock Jan. 3 (UPI) -- Long-term improvement in air quality lowers the risk for dementia in older women, a study published Monday by the Proceedings of the…

Already associated with a range of use cases from real estate to microfinance and even drone racing, the Algorand blockchain has now been enlisted to combat urban air pollution. PlanetWatch, the world’s first decentralised indoor and outdoor air quality monitoring network built on Algorand, has selected the US city of Miami to…

Iodine, the same chemical added as a nutrient to table salt, is an atmospheric trace element emitted from oceans that efficiently destroys ozone. Low ozone in airborne dust layers is frequently observed but poorly understood. New research led by the University of Colorado, Boulder, shows that dust is a source…