CAQM Stricter PM Emission Standards Delhi-NCR
Analysis based on 7 articles · First reported Feb 21, 2026 · Last updated Feb 21, 2026
The new emission standards by the India — Commission for Air Quality Management in National Capital Region and Adjoining Areas are expected to increase operational costs for industries in the India — National Capital Region (India) as they invest in new pollution control technologies. This regulatory change could lead to short-term financial adjustments for affected companies but is anticipated to improve public health and environmental quality in the long run, potentially boosting investor confidence in the region's sustainability efforts.
The India — Commission for Air Quality Management in National Capital Region and Adjoining Areas (CAQM) has issued Statutory Direction No. 98, proposing a stricter and uniform Particulate Matter (PM) emission standard of 50 mg/Nm3 for identified industries across India — Delhi-NCR. This new standard replaces the earlier 80 mg/Nm3 limit and is based on recommendations from the India — Central Pollution Control Board (CPCB) and a study by the IIT Kanpur, which deemed it technically achievable and environmentally necessary. The revised standard will apply to 17 categories of highly polluting industries, Red Category (medium and large) air-polluting industries, food and food processing units, textile industries with boilers/thermic fluid heaters, and metal industries with furnaces. Large and medium industries must comply by August 1, 2026, and other industries by October 1, 2026. The CAQM has directed the governments of India — Delhi, India — Haryana, India — Uttar Pradesh, and India — Rajasthan, along with their respective pollution control boards, to ensure strict implementation and conduct awareness campaigns.
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