The Maharashtra Environment and Climate Change Department has clarified concerns regarding recent air quality data reported by Awaaz Foundation in the lead-up to the TATA Mumbai Marathon 2025. A press note issued by Principal Secretary Vinita Singal highlighted the discrepancies in the monitoring methods used by the non-governmental organisation (NGO) and assured the public of accurate, regulatory-grade air quality monitoring during the event.  

Awaaz Foundation had conducted air quality monitoring on Friday at eight locations along the marathon route using Atmos sensor-based monitors. According to Singal, these monitors do not comply with the Central Pollution Control Board (CPCB) standards, which are mandatory for regulatory-grade air quality assessments.