air quality monitoring
Supreme Court Orders CAQM to Detail Delhi-NCR's Air Pollution Prevention Measures After Diwali Monitoring Failure
Nov 03, 2025 11:46 pm CST
The Supreme Court has directed the Commission for Air Quality Management to file an affidavit detailing measures to prevent Delhi-NCR's air quality deterioration after learning that only 9 out of 37 air monitoring stations were functional during Diwali. The court emphasized the need for pre-emptive action rather than waiting for severe pollution levels, following its recent order allowing limited use of green crackers during the festival.
NHAI Implements Comprehensive SOP to Combat Air Pollution on Delhi-NCR Highway Projects
Oct 30, 2025 01:55 am CST
The National Highways Authority of India has introduced a detailed Standard Operating Procedure for Delhi-NCR field offices to mitigate air pollution from highway construction and maintenance activities. The comprehensive framework includes mechanized road sweeping, Miyawaki plantation methods, construction site dust control measures, and regular air quality monitoring to create cleaner environments for highway users and surrounding communities.
Delhi Air Purifier Sales Surge 70% as Air Quality Index Remains in Poor Category
Oct 24, 2025 10:50 pm CST
Delhi residents are rushing to purchase air purifiers and masks as the city's Air Quality Index (AQI) remains in the "poor" category, resulting in a 60-70% sales increase. With the AQI reaching 354, the highest this season, electronics retailers report receiving over 20 daily inquiries for air purification devices, while some stores have seen weekly sales jump from 10 units to 40 units in just days.
Delhi Air Quality Deteriorates to 'Poor' for 5th Day as Diwali Approaches: 9 Stations Enter 'Very Poor' Category
Oct 19, 2025 02:21 am CST
Delhi's air quality continues to deteriorate, remaining in the "poor" category for the fifth consecutive day with nine monitoring stations now in the "very poor" zone. With an overall AQI of 268, pollution levels are rising ahead of Diwali, with Anand Vihar recording the highest reading at 389. Transport emissions contribute 15.6% of total pollution as authorities issue warnings for the coming days.
Supreme Court Permits Green Crackers in Delhi for Diwali 2023: A Balanced Approach to Festive Celebrations and Environmental Protection
Oct 15, 2025 02:11 pm CST
The Supreme Court has relaxed Delhi's firecracker ban, allowing certified green crackers during Diwali from October 18-21 within specific time slots. This decision aims to balance festive traditions with environmental concerns in a region struggling with severe winter pollution. The ruling includes strict manufacturing regulations and monitoring requirements to ensure compliance and minimize environmental impact.