GUWAHATI: The air quality in Guwahati slipped from moderate on Thursday to poor on Friday after citizens went on the rampage bursting firecrackers from early Thursday evening till late in the night, which is well beyond the two-hour window from 8 pm to 10 pm notified by the state pollution control board.
The city woke up to a thick layer of smog on Friday morning as the district administration as well as the police failed to enforce the PCB ban on sale and bursting of firecrackers, except the green ones.
The air quality, which was satisfactory in Panbazar and its surrounding areas in the city at 6 pm on Thursday, slipped to poor with air quality index 224. The air quality continuously deteriorated in the aforesaid area from 6 am on Thursday and breached the poor category mark at 6 am on Friday.
The air quality, which was moderate in the railway colony and its surrounding areas with AQI 123, slipped to poor with AQI 220 at 6 pm on Friday. The air quality in the area breached the poor category mark at 12 noon on Friday.
The air quality on Friday was categorized as “poor” by the central pollution control board during which people experience breathing discomfort on prolonged exposure. The AQI is categorized as “good” in the range of 0-50, satisfactory (51-100), moderate (101-200), poor (201-300), very poor (301-400) and severe (401-500).
Arup Kumar Misra, chairperson of state PCB told TOI “It is the responsibility of the district administration and police to enforce the order.”


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