Sun. Mar 3rd, 2024

Throughout January, Delhi grappled with persistent air air pollution, exacerbating a disaster that had already been worsening because the earlier 12 months. Unfavourable climate situations, together with fog, calm winds, and low temperatures, contributed to the deterioration of air high quality.

According to data from the Central Pollution Control Board (CPCB), the common month-to-month Air Quality Index (AQI) exceeded 350. In comparability, the AQI for January 2023 was measured at 311.

The AQI serves as a gauge for the focus of dangerous particulate matter PM2.5, recognized to induce cardiovascular and respiratory illnesses reminiscent of lung most cancers, inside a cubic metre of air.

The categorisation of AQI ranges from 0-50 as ‘good, ‘ 51-100 as ‘passable, ‘ 101-200 as ‘average, ‘ 201-300 as ‘poor, ‘ 301-400 as ‘very poor, ‘ and 401-500 as ‘extreme.’ Any worth surpassing 500 falls into the ‘severe-plus or emergency’ class.

However, the climate consultants mentioned that with two Western Disturbances in fast succession, the air high quality is probably going to enhance within the coming days.

On the final day of the month, the air high quality at Anand Vihar continued to be within the ‘extreme’ class with PM2.5 at 407 and PM10 at 349, or ‘very poor’ whereas NO2 reached at 108 or ‘moderate’, as per the Central Pollution Control Board (CPCB).

The AQI monitoring station at Dwarka sector 8 recorded PM2.5 at 403, within the extreme ranges and PM 10 at 269, within the ‘poor’ class.

The AQI at Jahangirpuri was additionally in ‘severe’ ranges with PM 10 reaching at 413 and PM 2.5 at 402. The CO was recorded at 110 or ‘moderate’.

The PM2.5 at Punjabi Bagh additionally reached 404, within the ‘severe’ class whereas PM10 was at 357, or ‘very poor’ and CO was at 126 or ‘moderate’.

The PM2.5 at Okhla Phase-II was recorded at 496 and PM10 at 486 — each within the ‘severe’ class. The NO2 was at 119 and CO was at 60, within the ‘passable’ ranges.

At Jawaharlal Nehru stadium station, in final 24 hours, the common AQI was recorded in extreme ranges with PM 2.5 at 405 whereas PM 10 at 362 or ‘very poor’ and CO was at 114 or average.

The common air high quality at Mandir Marg station within the final 24 hours was additionally in ‘severe’ class with PM 2.5 at 404 and PM 10 at 330 or ‘very poor’. The NO2 was recorded at 113. At Mundka round 9 a.m., the AQI remained within the ‘severe’ class with PM2.5 at 423 and PM10 at 408.

However, at IGI airport station, the PM 2.5 was at 332, or ‘very poor’ whereas PM 10 was at 228, within the ‘poor’ class and CO was at 118 or average.

This winter season, for the third time, GRAP Stage III measures had been carried out. Initially enforced from November 2 to twenty-eight, after which once more from December 22 to January 1, these restrictions had been reintroduced on January 14 following a deterioration in Delhi’s Air Quality Index (AQI) to 447, categorising it as “extreme” however revoked on January 22.

The determination to elevate GRAP Stage III was made by the CAQM as a result of disruptive impression of those restrictions on a big variety of stakeholders and most of the people. The transfer additionally thought-about the development noticed within the common AQI in Delhi, in line with the Commission for Air Quality Management (CAQM) official.

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