Notification / Circular No.: Direction No. 98 dated February 20, 2026
Applicable Act / Rule: The Commission for Air Quality Management in National Capital Region and Adjoining Areas Act, 2021
Applicable Section / Rule: Section 12
Effective Date (if any)
(a) August 01, 2026 – Large and Medium Industries
(b) October 01, 2026 – Remaining Industries
Industrial stack emissions significantly contribute to particulate matter levels in Delhi-NCR, affecting ambient air quality and public health. The Commission had earlier issued Directions No. 53, 62, 63, 64 and 65 prescribing cleaner fuels, emission limits of 80 mg/Nm3 and aiming at 50 mg/Nm3 for certain sectors. Based on CPCB recommendations and IIT Kanpur study, stricter emission norms were considered technically achievable and necessary. This direction revises PM emission standards and prescribes compliance timelines for industries across Delhi-NCR.
Provided that this standard shall not apply to those industrial units which have been prescribed PM emission standard of less than 50 mg/Nm3 under any applicable consent, direction or statutory provision.”
This direction shall have overriding effect on PM emission standards specified earlier under Direction No. 62 dated 17.03.2022 and Direction No. 64 dated 02.06.2022 for the industries and timelines covered under this direction.
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