Dense fog and rising pollution levels have reduced visibility in Mumbai to less than 500 metres, with air quality remaining moderate.

The report highlights gaps in implementation, uneven monitoring networks, and limited scope of current programmes, while urging long-term measures, crop diversification, and incentives for cleaner transport and electric vehicles.

Unlikely to mix down into the air layer that people breathe, says IMD

Between November 1 and 15, the city’s mean AQI stood at 348, an improvement compared to 367 in 2024 and 376 in 2023.

For experts, anything above the threshold is detrimental no matter which air index people rely on.

In multiple posts on X, US entrepreneur Bryan Johnson wrote that despite wearing a mask indoors, he had to cut short his visit to India. He was in Mumbai to record a podcast episode.

Decision Support System restarts but old data limits usefulness