The average concentration of Suspended Particulate Matter (SPMs) has recorded three times higher than their prescribed limits.
The database of PM 2.5 till December 22,2016, which was regularly derived from the Ambient Air Quality Index (AAQI) of DPCC showed that mass concentration of Particulate Matter- 2.5 was oscillated between 129 and 200 (ug/m3) whereas on Friday, the concentration of same pollutant was recorded at 670 ug/m3 at city's Anad Vihar area while in R K Puram , which is green area of city , the concentration of PM 10 was 1176 ug/m3 and in another location, instance - Mandir Marg, it was 564 ug/m3.
Taking on the account, in the mid days of December (11 to 20), the average concentration of PM 2.5 of four locations was 112, 198,210 (ug/m3) for R K Puram , Punjbai Bagh and Mandir Marg respectively.
The above figures of this month showed concentration of both the pollutants have escalated tremendously.
According to IMD officials, Delhi's climate conditions plays pivotal role. “With zero wind speed, the maximum temperature was settled at 27 degrees Celsius and minimum temperature was 15 degrees Celsius,” IMD website stated.
Further, as per the DPCC official data of after December 18, there was significant drop was measured on AAQI. On December 21, level was dropped noteworthy as it measured at 190, 120 ,168 ug/m3 in all three above mentioned locations. It is to be noted that data of DPCC meters was 24 hours