Recalibrating Guwahati’s Clean Air Strategy
As winter approaches, the residents of Guwahati face the looming threat of deteriorating air quality. The concerns are not unfounded, especially with a public interest litigation recently filed in the Supreme Court, urging the declaration of air pollution as a national public health emergency. While Guwahati’s air quality remains satisfactory for now, complacency is not an option, particularly with ongoing construction activities contributing to dust pollution.
Understanding the Sources of Air Pollution
The Guwahati Municipal Corporation (GMC) has highlighted a significant finding from a study conducted by the Indian Institute of Technology (IIT), Guwahati. This study identifies road dust as a primary contributor to air pollution, overshadowing vehicular emissions. The study, titled Emission Inventory, Source Apportionment, Carrying Capacity & Emission Control Strategy for Guwahati, was carried out by the Air and Noise Pollution Research Lab within the Civil Engineering Department.
Key findings from the IIT study reveal that:
- Road dust significantly contributes to ambient levels of particulate matter.
- Vehicles contribute indirectly to road dust by resuspending previously deposited dust particles.
- Construction activities, along with road dust, are critical sources of air pollution, followed by vehicular and industrial emissions.
Challenges in Waste Management
Another alarming aspect identified by the IIT study is the common practice of open burning of solid waste in Guwahati. This practice is particularly prevalent in low-income areas, where inadequate waste collection and disposal infrastructure exacerbates the problem. The emissions from burning municipal solid waste are significantly higher in these regions.
To tackle these issues, it is essential to:
- Improve waste segregation at the source during door-to-door garbage collection.
- Enhance the city’s capacity for waste processing to minimize dust and open burning.
- Raise awareness among residents regarding the importance of waste segregation.
Mitigation Strategies for Dust Pollution
The IIT Guwahati study proposes several strategies to mitigate dust pollution:
- Regularly sweeping and cleaning roads, especially in urban and construction zones.
- Immediate planting of trees and vegetation along roadsides and public spaces to improve air quality.
- Enforcing stricter regulations on dust management at construction sites, including the use of water sprinklers and dust suppression techniques.
While some construction sites implement water sprinkling, the volume used is often inadequate. Strengthening monitoring and oversight mechanisms is critical to ensure compliance with dust management regulations.
Promoting Public Transport and Reducing Vehicle Emissions
Another vital aspect of the air quality strategy involves promoting public transport and reducing reliance on personal vehicles. The IIT study emphasizes the need for:
- Regular emission testing for vehicles to ensure adherence to pollution norms.
- Building awareness among the public about the implications of deteriorating air quality.
- Improving the efficiency and reliability of public transport services.
Many commuters in Guwahati currently depend on personal vehicles due to the lack of efficient public transport. It is not merely the number of buses that matters, but the quality of service provided. Adhering to timetables and covering all localities are essential steps toward transforming public transport into a viable alternative.
Conclusion
In conclusion, recalibrating Guwahati’s strategy for clean air is an urgent necessity. The city must prioritize dust mitigation, enhance waste management practices, and promote public transport to ensure a healthier environment for its residents. By addressing these challenges head-on, Guwahati can strive for improved air quality throughout the year.
Note: The information presented in this article is based on findings from the IIT Guwahati study and observations regarding the current state of air quality in Guwahati.
