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Last active Oct 13, 2015
How We Calculate Data @ Nebulo

Our Data

Nebulo's data all conform to US EPA AQI standards. See below for the specific description of each country.

Singapore & Hong Kong

Singapore and Hong Kong both offer 1-hour PM2.5 readings in ug/m3. We take these readings and convert them to US EPA AQI using PM2.5 as the pollutant.

Singapore Data source: National Environment Agency - Haze Updates, 1-hr PM2.5 Readings

Hong Kong Data source: Environmental Protection Department - Air Quality Health Index (AQHI), Pollutant concentrations

View gist:9895073
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