Have Haze Not
Singapore air quality tracker
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Air quality for all five of Singapore's NEA reporting regions, drawn as a halftone map of the island. Shows the reading for your region with the pollutant driving it, a 24-hour PM2.5 forecast, and where Singapore sits among neighbouring cities (on the TRMNL X, including the Sumatran and Bornean haze sources). Pick your scale: US AQI, NEA PSI, or raw PM2.5. Measurements from NEA via data.gov.sg, forecast from Open-Meteo. Works with no account at all; add a free aqicn.org token and the US AQI matches their site exactly. Questions or bugs: open an issue on GitHub.
Available settings
AQICN token
Optional. With a token the US AQI comes straight from aqicn.org, matching what their site and most air quality apps show. Without one it is calculated from NEA's hourly PM2.5 with the same EPA table aqicn uses, so it should match; the token guards against aqicn changing its method. Free, and only used for the US AQI scale.
Example: 1a2b3c...
Scale
Which index the readings are shown in. US AQI is the scale most air quality apps use. NEA PSI is Singapore's official index. PM2.5 skips the index and shows the raw concentration.
Home region
Which NEA reporting region drives the headline reading
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