Air quality dips across Kerala post lockdown
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Revival of financial exercise, enhance in motion of economic autos from different States cited as causes
The Air Quality Index (AQI) at 9 real-time air quality monitoring stations managed by the Kerala State Pollution Control Board has worsened after the relaxations got here into power post lockdown.
The AQI ranges had witnessed a substantial discount, from the ‘moderate’ vary (100) to the ‘good’ class (50), throughout the lockdown interval. The common air quality index of many of the stations was round 50 (good) from March to October final 12 months, apart from Vytilla, M.G. Road in Ernakulam and Kollam the place it touched 100 in September, based on an evaluation by the board. The AQI of all stations went as much as 100 (average) whereas some stations crossed 100 (unhealthy for delicate teams) between October and December. The research discovered that the air quality in stations comparable to Vyttila, Thrissur and Kollam usually crossed 150 (unhealthy) and infrequently went as much as 200 (very unhealthy) after additional relaxations.
The 9 real-time air quality monitoring stations are situated at Plamoodu and Karyavattom (Thiruvananthapuram), Polayathodu (Kollam), MG Road, Vyttila, and Eloor (Ernakulam), Thrissur (Corporation limits), Palayam (Kozhikode), and Thavakkara (Kannur). The common AQI was calculated over a interval from January 1 to December 31.
Within vary
The AQI, which used to spike between March and May yearly owing to lack of rain, remained within the good to average vary in view of the lockdown in all stations. The discount in general site visitors resulted in clear skies and clear air. However, the revival of the financial exercise and enhance in motion of vehicles and different business autos within the post-lockdown section led to a rise in air air pollution.
The monitoring station at Polayathodu recorded the very best worth of 278 within the most AQI degree whereas the corresponding figures in Vyttila and Thavakkara had been 235 and 228 respectively. The ranges between 200 and 300 are thought-about ‘very unhealthy’ as per the requirements prescribed by the Central Pollution Control Board beneath its National Air Monitoring Programme. The most AQI ranges in different stations had been Plamoodu 174, Thrissur 165, Eloor 152, M.G. Road 144, Karyavattom 125, and Palayam 123.
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