Search results
Results From The WOW.Com Content Network
The World Health Organization's recommended limit is 10 micrograms per cubic meter, although there are also various national guideline values, which are often much higher. Air pollution is among the biggest health problems of modern industrial society and is responsible for more than 10 percent of all deaths worldwide (nearly 4.5 million ...
Instead of going all-in on a full-price wool sweater, give eBay a shot. You’ll find hundreds of options in varying sizes and styles for less than $50. 5. Skis. Planning a skiing getaway this winter?
Particulate matter (PM) is generally classified into two main size categories: PM 10 and PM 2.5. PM 10, also known as coarse particulate matter, consists of particles 10 micrometers (μm) and smaller, while PM 2.5, also called fine particulate matter, consists of particles 2.5 μm and smaller. [29]
[6] [5] Thailand's national standards for PM2.5 air quality were revised in 2022 and 2023, to adopt the World Health Organization (WHO) Interim Target 3 (IT-3) of 37.5 μg/m 3 and 15 μg/m 3 for 24 hour and annual measures, respectively. [7] [8] [9] In 2023, over 10 million Thais sought treatment for air pollution-related illnesses. [10]
Tiny plastic particles have been found throughout the human body, but researchers say they’re just starting to understand the impact.
The guidelines stipulate that PM 2.5 should not exceed 5 μg/m 3 annual mean, or 15 μg/m 3 24-hour mean; and that PM 10 should not exceed 15 μg/m 3 annual mean, or 45 μg/m 3 24-hour mean. [2] For ozone (O 3 ), the guidelines suggest values no higher than 100 μg/m 3 for an 8-hour mean and 60 μg/m 3 peak season mean. [ 2 ]
7-Eleven is giving away free Slurpees all month long. Food. AOL. Save big on popular kitchen items for Presidents' Day. Lighter Side. Lighter Side. People.
The CCME standard for particulate matter 2.5 (PM 2.5) as of 2015 is 28 μg/m 3 (calculated using the 3-year average of the annual 98th percentile of the daily 24-hr average concentrations) and 10 μg/m 3 (3-year average of annual mean). PM 2.5 standards will increase in stringency in 2020. [273]