POLLUTION

Delhi AQI Dips to 'Severe' Category in Many Stations Once Again

Days after the GRAP-III was lifted after the slight improvement of Air Quality Index (AQI) to ‘very poor’ levels, the air quality in the national capital on Thursday afternoon deteriorated once again, with several monitoring stations entering into ‘severe’ category.

The air quality at Anand Vihar plummeted to the 'severe' category with PM2.5 at 428 and PM10 at 433, as per the Central Pollution Control Board (CPCB). The AQI at ITO also remained in ‘severe’ category with PM2.5 reaching at 447 and PM10 at 403. The Carbon Monoxide (CO) was recorded at 79, in the ‘satisfactory’ category.

The particulate matter PM2.5 at Punjabi Bagh also reached 441 while PM10 was at 407, both in the ‘severe’ category. The air quality at Jahangirpuri air quality monitoring station also entered into ‘severe’ category with PM2.5 at 466 and PM10 444. The CO also reached at 101 or ‘moderate’.

The PM2.5 at Okhla Phase-II was recorded at 411 and PM10 at 405 both in the ‘severe’ category. The CO was at 106, at the 'moderate' levels. At Mundka the AQI remained in the ‘severe’ category with PM2.5 at 401 and PM10 at 303, in the ‘very poor’ category.

At Bawana, the air quality was in the ‘very poor’ category with PM2.5 at 375 and PM10 at 282, in the ‘poor’ category, while the AQI monitoring station at Dwarka sector 8 recorded PM2.5 at 400 and PM10 at 321, both in the very poor category.

The Indira Gandhi International (IGI) airport station recorded PM10 at 377, in the very poor category while PM2.5 was at 288, in the poor levels. The CO was recorded at 21, or ‘good’.

For context, an AQI between zero and 50 is considered 'good'; 51 and 100 'satisfactory'; 101 and 200 'moderate'; 201 and 300 'poor'; 301 and 400 'very poor'; and 401 and 500 'severe'.

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The above article has been published from a wire agency with minimal modifications to the headline and text.

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