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Get the Wayland, MA local weather forecast by the hour and the next 10 days. ... A push of cool and dry air has slashed humidity in the Midwest and Northeast, but stirred the atmosphere up in the ...
Get the Wayland, MA local weather forecast by the hour and the next 10 days.
Wayland is a town in Middlesex County, Massachusetts, United States. The town was founded in 1638, and incorporated in 1780 and was originally part of neighboring Sudbury (incorporated 1639). At the 2020 United States census , the population was 13,943.
The 2018 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 2700 towns and cities in 91 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1] [2] [3]
74000378 [1] Added to NRHP. September 6, 1974. The Wayland Center Historic District encompasses the predominantly 19th-century village center of Wayland, Massachusetts. Located at the junction of United States Route 20 and Cochituate Road ( Massachusetts Route 27 ), it includes fifteen well-preserved 19th-century buildings that form one of the ...
An air quality index (AQI) is an indicator developed by government agencies [ 1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2][ 3] As air pollution levels rise, so does the AQI, along with the associated public health risk. Children, the elderly and individuals with respiratory or ...
The World Health Organization guidelines were most recently updated in 2021. [ 1] The guidelines offer guidance about these air pollutants: particulate matter (PM), ozone (O 3 ), nitrogen dioxide (NO 2 ), sulfur dioxide (SO 2) and carbon monoxide (CO). [ 2] The WHO first released the air quality guidelines in 1987, then updated them in 1997. [ 2]
iqair .com. IQAir is a Swiss air quality technology company, specializing in protection against airborne pollutants, developing air quality monitoring and air cleaning products. [ 2] IQAir also operates AirVisual, a real-time air quality information platform. [ 3][ 4] As of February 2020, it had around 500 employees worldwide, 150 of them in ...