Is It Hazy provides hourly PM2.5 haze readings in the five main regions of Singapore - Central/North/South/East/West.
PM2.5 data is obtained from National Environmental Agency (NEA) of Singapore. http://www.nea.gov.sg/anti-pollution-radiation-protection/air-pollution-control/psi/faqs-on-psi
App logo is derived from Freepik at Flaticon. http://www.freepik.com/