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So far, the three agencies monitoring air quality in the city – the Central Pollution Control Board, the Indian Meteorological Department and the Delhi Pollution Control Committee – collect and disseminate their numbers separately. The Indian Meteorological Department has digital displays across the city. The Central Pollution Control Board and the Delhi Pollution Control Committee put their numbers online.
But in the new system, the Delhi Pollution Control Committee and the Indian Meteorological Department will stop making their numbers public. Instead, their data will be sent to the Central Pollution Control Board for analysis. “Authenticated air quality information will be communicated to Delhi Pollution Control Committee on daily basis for further dissemination to the public at large,” the government statement said.
And with this, drumroll, I open my account at Scroll.in. 😉
A new report has warned that premature deaths due to emissions from thermal power projects (TPPs) will rise two-three times as India’s reliance on thermal power increases. The report by Urban Emissions. Info, an independent research group working on India’s air quality, and Mumbai-based NGO Conservation Action Trust, expects India’s thermal power generation to rise from 159 gigawatts in 2014 to 450 GW in 2030. Coal consumption is expected to rise proportionately, trebling from the current 660 million tons/year to 1800 million tonnes. The impact of all this on India’s air quality will be predictable.
In May this year, the World Health Organisation (WHO) announced that Delhi’s air quality is the worst in the world. In the months that followed this perception about Delhi’s air has strengthened further as winter smog set in the capital. This perception, however, could be incorrect. Air quality of other Indian cities and towns could be worse than Delhi’s. That is because the air quality information being generated by the state and central pollution control boards is badly flawed, and we don’t have credible information about air quality in any place other than the capital.
As India celebrated Diwali on Thursday, the environment ministry’s efforts to capture changes in air quality were spotty at best – with the information either inadequate or simply outdated. Given such lapses in data gathering, it’s anyone’s guess what kind of air most Indians were sucking into their lungs. In Delhi, at about 10 pm, the “real time” air quality data on the website of the Central Pollution Control Board was anything but real time. Its station at Civil Lines in north Delhi, for instance, reported air quality numbers captured on September 12, 2013. It’s not clear why the system failed to provide updated numbers.
today’s et carries an updated version of the air quality story published yesterday — the story got reworked once i got the cpcb’s answers. as things stand, its answers resolved some of the questions in the previous avatar of the story and triggered newer ones. do take a look. and, here, the q&a with the cpcb on the air quality index.
all this is a followup to a story that appeared about ten days ago — on why india’s air quality data is garbage. you must see that.
About six days ago, India released a draft Air Quality Index. The idea is unexceptionable. The Index seeks to make air quality more easily comprehensible by reporting air quality not as dry numbers of raw concentrations but as colour-coded assessments of health impacts — good, moderate, poor, very poor, hazardous, etc. In this story out today, I argue, however, that for the index to be useful, fundamental problems in air quality assessments need to be fixed first.
ps: Yesterday was diwali. And, while surfing to see how air quality was faring, I saw some eye-popping numbers. See these.
For some time now, India has been putting out her air quality numbers. Visit the website of the Central Pollution Control Board (CPCB) or the State Pollution Control Boards (SPCBs) and you will find them. In the odd city, you will see LED displays giving real-time updates on air quality in the city. How accurate are these numbers?