Ajay Maken flags missing PM2.5 data at 25 Delhi stations
In short
Ajay Maken said 25 Delhi air quality stations had no PM2.5 data on Diwali night. At the other stations, pollution was 38.4 times the WHO limit.
He said the missing readings can make pollution data less reliable. Delhi's air quality has worsened after Diwali celebrations.
What the reporting says
Ajay Maken raised concerns on Diwali night about missing PM2.5 readings at 25 air quality monitoring stations in Delhi. He said pollution levels at the remaining stations averaged 38.4 times the World Health Organisation limit. Maken argued that the gaps could affect the accuracy of pollution data and trend tracking. The Delhi air quality index has worsened after Diwali celebrations.
Why it matters
Ajay Maken has flagged missing PM2.5 readings at 25 Delhi monitoring stations on Diwali night, while the remaining stations showed pollution averaging 38.4 times the WHO limit. He said the missing data affects the accuracy of pollution trends. The report ties the issue to Delhi's deteriorating air quality after Diwali celebrations.