空氣質量預報
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News (January 12th, 2016): The AQI calculation for the Hanoi CEM Station are set back to normal levels while being fixed by the Hanoi EPA team.
News (January 6th, 2016): AQI Station from UNIS (United Nations International School Of Hanoi) is now available for Hanoi.
News (January 5th, 2016): The readings for the Hanoi CEM Station are abnormally low, so the PM2.5 AQI calculation has been again re-adjusted by a factor of 30 to reflect the current conditions.
News (December 24th, 2015): Due to many message received about the Hanoi monitoring station is reporting abnormally low values (since December 21th, 2015), the AQI calculation for Hanoi is adjusted to reflect the current conditions. Check this blog entry for more information about this case.
News (January 6th, 2016): AQI Station from UNIS (United Nations International School Of Hanoi) is now available for Hanoi.
News (January 5th, 2016): The readings for the Hanoi CEM Station are abnormally low, so the PM2.5 AQI calculation has been again re-adjusted by a factor of 30 to reflect the current conditions.
News (December 24th, 2015): Due to many message received about the Hanoi monitoring station is reporting abnormally low values (since December 21th, 2015), the AQI calculation for Hanoi is adjusted to reflect the current conditions. Check this blog entry for more information about this case.

Air Quality Data provided by the Vietnam Center For Environmental Monitoring Portal (cổng thông tin quan trắc môi trường) (cem.gov.vn)