Delhi’s Diwali AQI Data Went Blank at the Worst Hour
Most Delhi air monitors stopped reporting PM2.5 near 1,000 on Diwali night. Why the AQI data went blank, why the ICCC stayed silent, and four rules to fix it.
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Environment
Chicago installs fitness trackers for city
Chicago’s Array of Things project installs sensor nodes on light poles to collect open data on air quality, climate and traffic, with strong privacy reviews.
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