Sources & freshness
Readings come from NEA through data.gov.sg. Observation time and averaging window appear beside every value.
Open data notice
Contains information from the Real-time PM2.5 and Real-time PSI datasets, accessed in real time from data.gov.sg. The National Environment Agency (NEA) provides the datasets under the terms of the Singapore Open Data Licence version 1.0.
Singapore Open Data Licence ↗
Hazy is not an official app. The Singapore Government and NEA do not endorse it. The data comes as is, without a warranty.
NEA air pollution information ↗
Official Singapore source.
data.gov.sg air-quality APIs ↗
Official Singapore source.
External comparisons
AQICN ↗
External link. Live values are not reproduced here.
IQAir ↗
External link. Live values are not reproduced here.
ASMC haze context ↗
External link. Live values are not reproduced here.