CPCB Admits PM Readings Above 999 µg/m³ Excluded From AQI Calculation; Reviews 2015 Methodology
New Delhi, November 11, 2026: The Central Pollution Control Board (CPCB) on Tuesday acknowledged that particulate matter readings exceeding 999 micrograms per cubic metre (µg/m³) are excluded from the Air Quality Index (AQI) calculation under the existing methodology, as the monitoring system was originally designed to measure concentrations within a range of 0–1,000 µg/m³. The pollution watchdog…
We haven't written up this one. Free Press Journal has the full story — the link below goes straight to it.
