urban air quality

  • Beijing

    Beijing's Success vs Delhi's Crisis: How China's Decade-Long Fight Against Air Pollution Offers Lessons for India

    Dec 17, 2025 03:47 pm CST

    As Delhi struggles with hazardous air quality levels reaching 447 AQI, China's embassy has offered to share their successful pollution control strategies that reduced Beijing's PM2.5 levels by 64% over a decade. This article examines the stark contrast between China's systematic approach to air quality improvement through strict enforcement, regional coordination, and sustainable policies, compared to India's ongoing challenges with implementation despite similar mitigation attempts.

  • India

    India's Air Quality Crisis: Experts Call for Science-Based Standards as WHO Guidelines Remain Unimplemented

    Dec 12, 2025 07:43 am CST

    India faces severe air pollution with 13 of the world's 20 most polluted cities located within its borders. While the government maintains WHO air quality guidelines are merely advisory and defends its 16-year-old standards based on local factors, environmental experts emphasize the urgent need to align policies with health-based science as pollution continues to claim millions of lives annually and significantly reduces life expectancy across the nation.

  • Delhi

    Delhi's Ambitious Plan: 305 Mist Sprayers Being Installed at 9 Pollution Hotspots to Combat Air Pollution Crisis

    Dec 04, 2025 06:47 pm CST

    Delhi government is implementing a comprehensive plan to combat air pollution through mist spray technology, with 305 sprayers being installed across nine pollution hotspots. Chief Minister Rekha Gupta announced the initiative after successful trials in NDMC areas, while also forming an expert committee to advise on additional environmental measures.

  • Mumbai Implements GRAP-4 Restrictions Despite Lower AQI Levels Than Delhi: A Comparative Analysis

    Mumbai Implements GRAP-4 Restrictions Despite Lower AQI Levels Than Delhi: A Comparative Analysis

    Dec 01, 2025 12:43 pm CST

    Mumbai has implemented GRAP-4 restrictions across multiple areas reporting 'very poor' and 'severe' air quality levels, despite having AQI readings significantly lower than Delhi. The BMC has halted construction activities, issued stop-work notices to 50 sites, and deployed enforcement squads across all wards to monitor compliance. This proactive approach contrasts with Delhi's implementation criteria, highlighting different regional approaches to addressing urban air pollution challenges.

  • Indian Cities Record Decade of Unsafe Air Quality Levels Despite National Clean Air Programme

    Indian Cities Record Decade of Unsafe Air Quality Levels Despite National Clean Air Programme

    Nov 28, 2025 11:08 pm CST

    A comprehensive ten-year analysis reveals that no major Indian city has achieved safe air quality levels since 2015, with even Bengaluru consistently exceeding safe thresholds. Delhi remains the most polluted metropolis despite various interventions, while local pollution sources now outweigh seasonal factors across urban India, creating serious health risks for millions of outdoor workers.

  • Mumbai

    Mumbai's Severe Air Quality Crisis: BMC Considers GRAP-4 Measures as Smog Blankets City

    Nov 25, 2025 10:04 pm CST

    Mumbai is facing a severe air quality crisis as thick smog engulfs the city, with AQI readings reaching unhealthy-to-severe levels. The Brihanmumbai Municipal Corporation has activated emergency pollution protocols and may implement GRAP-IV restrictions if conditions don't improve. Health officials warn of increased risks for vulnerable populations and advise residents to limit outdoor activities.

  • Delhi

    Delhi's Air Quality Crisis: Only 9 of 37 Monitoring Stations Functional During Diwali as Supreme Court Demands Answers

    Nov 03, 2025 05:54 pm CST

    The Supreme Court has learned that only nine of Delhi's 37 air quality monitoring stations were operational during Diwali, hampering pollution control efforts as PM2.5 levels reached 488 micrograms per cubic meter—nearly 100 times WHO safety limits. Despite regulations on "green" firecrackers and reduced farm fires, Delhi experienced its worst post-Diwali air quality in five years, raising serious questions about the effectiveness of current monitoring and enforcement measures.

  • Supreme Court Criticized for Prioritizing Firecracker Rights Over Air Quality: Amitabh Kant Warns of Delhi

    Supreme Court Criticized for Prioritizing Firecracker Rights Over Air Quality: Amitabh Kant Warns of Delhi's Environmental Crisis

    Oct 21, 2025 04:52 pm CST

    Former NITI Aayog CEO Amitabh Kant has strongly criticized the Supreme Court's decision to allow firecracker use during Diwali, as Delhi's air quality plummets to dangerous levels. With 36 of 38 monitoring stations hitting the "red zone" and AQI exceeding 400 in key areas, Kant calls for comprehensive pollution control measures to prevent an environmental and public health catastrophe in India's capital.