Correct option is D
The correct answer is (d) Byrnihat
Explanation:
• Byrnihat, an industrial town on the Assam–Meghalaya border, was identified as the most polluted place globally in the IQAir World Air Quality Report.
• It recorded an extremely high annual average PM2.5 concentration of 128.2 µg/m³.
• This value is more than 25 times the WHO’s recommended limit, highlighting severe air quality concerns.
• Industrial activities and cross-border vehicular emissions contribute heavily to its pollution levels.
• The region has consistently shown high particulate matter due to unregulated industrial growth.
Information Booster:
• PM2.5 are fine inhalable particles that pose serious health risks, especially respiratory and cardiovascular diseases.
• IQAir reports are among the most referenced global assessments for air quality analysis.
Additional Knowledge:
Tura (Option a)
• A town in western Meghalaya known for lower pollution levels compared to industrialized zones.
• Not listed among the highest PM2.5 concentrations.
Jowai (Option b)
• A cultural and administrative center with moderate pollution levels.
• Not identified as severely polluted in global rankings.
Shillong (Option c)
• Known as one of the cleanest hill cities in India.
• Air pollution levels remain significantly lower than Byrnihat.