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3/11/2021· PM level: Particulate matter, or PM, is a mix of particles and droplets in the air. PM varies in shape and size, but those of 10 micrometers in diameter and smaller can adversely affect your ...

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20/8/2020· (a) timeseries plot of April month average temperature and humidity for Cochin (° N, ° E), (b) PM , PM 10 and NO 2 concentration at Vytilla station (° N ° E), and (c) comparative plot of April month daily mean PM and PM 10 for 2019 and 2020 (source: Central and State pollution control board).

5/1/2016· What are PM 1 particles? These are extremely fine particulate matter (PM) particles of diameter less than 1 micron — significantly smaller than PM (of diameter microns) that have been at the centre of discussions on particulate matter in Delhi’s air. PM 10, PM and PM 1 particles make up the total suspended particulate matter.

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