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October took us closer to the 1.5deg goal being breached | Number Theory

India, Nov. 8 -- Limiting global warming to under 1.5degC above the pre-industrial average was once a sacrosanct climate goal which now looks almost certainly redundant with a Donald Trump led US rene... Read More


Data gaps, odd patterns: Questions over Delhi AQI

India, Nov. 5 -- Delhi's official air quality index dropped from 366 to 309 between November 2 and 3, but a detailed analysis of monitoring data raises questions about the reliability of pollution rea... Read More


How reliable is Delhi's pollution data?

New Delhi, Nov. 5 -- Delhi's official air quality index (AQI) dropped from 366 to 309 between November 2 and 3, but a detailed examination of Central Pollution Control Board (CPCB) data raises questio... Read More


Spike in Delhi AQI puts data under a cloud

New dELHI, Oct. 31 -- Between 4pm on October 29 and 4pm on October 30, Delhi's air quality index or AQI spiked by almost 100 points, from 279 to 373, pointing to either a sharp increase in pollution o... Read More


How IIT Kanpur's cloud seeding 'success' report ignores natural air patterns

India, Oct. 30 -- An unsigned report from IIT Kanpur, shared by Delhi environment minister Manjinder Singh Sirsa on Tuesday, contends that the cloud seeding experiment in Delhi was somewhat successful... Read More


How IIT-K 'success' report ignores natural air patterns

India, Oct. 30 -- An unsigned report from IIT Kanpur, shared by Delhi environment minister Manjinder Singh Sirsa on Tuesday, contends that the cloud seeding experiment in Delhi was somewhat successful... Read More


Weather Bee: Northeast monsoon hits early, hard; dry spell may follow next month

India, Oct. 25 -- The India Meteorological Department (IMD) on October 16 announced the onset of the northeast monsoon, bringing increased rainfall to peninsular India, particularly along the east coa... Read More


Weather Bee: October is still cool, but warmer than earlier this month

India, Oct. 17 -- Up to last week, India's average maximum temperature - a proxy for daytime temperatures - in October was so far below usual that the month on average was running fifth coolest since ... Read More


October so far, the fifth coolest ever | Number Theory

India, Oct. 11 -- Large parts of India appear to be experiencing cooler than normal temperatures this month. How cold is it? An HT analysis of the gridded data of the India Meteorological Department (... Read More


Slight dip in registration of births, marginal rise in deaths in '23: CRS data

New Delhi, Oct. 11 -- Over 200,000 fewer births were registered in 2023 in India than in 2022, a decline of around a percent. While a marginal decline, this was the third time in the five years up to ... Read More