Winter has begun, and the air quality in Delhi has already slipped to the ‘very poor’ category. A recent survey of over 51,000 respondents across 212 districts shows that citizens are frustrated with the lack of affordable pollution‑control products and the absence of standardised replacement filters.
Key Developments
- On 3 November 2026, Delhi’s AQI reached **331**, triggering Stage II of the GRAP.
- According to the LocalCircles survey, **89%** of respondents say the government has not made pollution‑coping products affordable, and **78%** find official measures inadequate.
- Nearly **88%** of air‑purifier users demand the government standardise HEPA replacement filters to improve availability and lower costs.
- Despite a Delhi High Court observation and a Parliamentary Standing Committee recommendation to cut the 18% GST on purifiers and filters to 5%, the GST Fitment Committee retained the 18% levy.
- Respondents urge the BIS and the Department of Consumer Affairs to enforce filter standardisation, and the GST Council to provide tax relief.
Important Facts
India dominates global pollution rankings, with 22 of the world’s 25 most polluted cities located here. Mumbai ranks third among major metropolises. The shortage of model‑specific HEPA filters during winter has rendered many purifiers unusable. Current Indian standards focus only on electrical safety and clean‑air delivery rates, ignoring filter interchangeability.
Exam Relevance
Understanding the interplay between environmental health, public policy, and consumer rights is essential for GS III (Environment & Ecology) and GS II (Polity). The survey highlights citizen‑driven demand for policy change, a key aspect of governance. The GST issue connects to fiscal policy and the role of the GST Council, relevant for GS III (Economy). Standardisation under BIS ties into the regulatory framework studied in GS III.
Way Forward
- Adopt a national standard for HEPA filter dimensions and performance to enable cross‑brand compatibility.
- Re‑evaluate the GST rate on air‑purifiers and filters, considering their public‑health importance.
- Strengthen the GRAP with clearer guidelines for supply chain support during high‑pollution periods.
- Encourage public‑private partnerships to boost domestic production of affordable filters.
- Increase awareness campaigns about indoor air quality and the correct use of air‑purifiers.
Addressing these gaps can reduce the health burden of winter pollution and align India’s environmental policies with its developmental goals.