Kerala’s most-polluted cities are Kochi and Thiruvananthapuram and air pollution is increasing steadily in the state with the average PM 10 (particulate matter 10 micrometers or less in diameter) levels touching the permissible limit of 60 microns on most days a month. This was evident in the data compiled by the pollution control board (PCB).from Thiruvananthapuram News, Latest Thiruvananthapuram News Headlines & Live Updates - Times of India https://ift.tt/2Vr3EYg
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