About SG Air
Singapore Air quality report with 1-hr PSI/AQI, 24hr PSI/AQI, 1hr PM2.5(fine particulate matter), 24Hr PM2.5, 24Hr particulate matter (PM10), sulphur dioxide (SO2), nitrogen dioxide (NO2), ozone (O3), and carbon monoxide...
Previous Versions
Here you can find the changelog of SG Air since it was posted on our website on 2016-09-25 12:47:48.
The latest version is 2.08 and it was updated on 2026-06-13 13:23:31. See below the changes in each version.
SG Air version 2.08
Updated At: 2026-06-13
Changes: Version History - minor bug fixing 2.08 11/10/2023 - minor bug fixes 2.07 11/09/2023 - minor bug fixes 2.06 10/28/2023 - bug fixes 2.05 10/24/2023 - Apple watch app changed 3hr PSI to 1hr PSI.
- update coding to support iOS 17
- fix missing hotspots icon in the haze map.
- fix haze map image not load on main page. 2.04 10/22/2023 - minor bug fixes 2.03 03/09/2021 - minor bug fixes 2.02 04/06/2020 - bug fixes: prevent app crashed on Chart page
- prevent app crash from users with location permission not granted
- chart page: long press region button will show selected region only 2.01 03/29/2020 - redesign whole app
- New Features: Crowdsource air quality report, Crowdsource photo, SG Air Camera and more info on haze map. 2.00 03/26/2020 - minor bug fixes 1.15 07/25/2019 - fixed haze map 1.14 05/14/2019 minor updates 1.13 06/02/2018 New items:
- 1-hr ug/m3
- The health impact of haze
- 1-hr psi max - Widget 1.12 02/20/2017 - bugs fixes 1.11 09/22/2016 - bug fixes for iOS 10 users 1.10 09/20/2016 Minor bug fixes:
- users with 4G network should be able to use now.
- improved sub-index notification
- 3hr PSI Today Extension
*if data error on apple watch or Today Extension, please disable & enable again. Sorry for inconvenience. 1.9 08/30/2016 - new feature: switch PSI to AQI
- notification for AQI
- bar chart for AQI
- bug fixes: move line chart to background, banners move to bottom
Notes: if you encounter error on Apple Watch, please reinstall apple watch app at Watch > SG Air. 1.8 10/13/2015 - fix bar chart sorting
- speed up download
- add background line chart
Notes: if you encounter error on Apple Watch, please reinstall apple watch app at Watch > SG Air. 1.7 10/10/2015 - add 1-hr PM2.5 to summary list
- add 10 bar charts
- bugs fixes
- add in-app purchase to remove ads 1.6 10/04/2015 - fixed haze map
- display data time of all index & sub-index
- free notification service
- support Apple Watch 1.5 07/08/2015 bug fixes 1.4 10/29/2014 - add 1-hr PM2.5 sub-index
- auto refresh data when app show from background 1.3 10/23/2014 - update UI
- implement notification service for iOS 8 1.2 10/02/2014 - remove cached for fullscreen haze map
- add simple animation
- fixed minor bugs 1.1 06/21/2014 1.0 06/07/2014
SG Air version 2.08
Updated At: 2023-11-10
Changes: Nov 10, 2023
Version 2.08
- minor bug fixing
SG Air version 2.08
Updated At: 2023-11-10
Changes: - minor bug fixing
SG Air version 2.07
Updated At: 2023-11-09
Changes: Nov 9, 2023
Version 2.07
- minor bug fixes
SG Air version 2.06
Updated At: 2023-10-28
Changes: Oct 28, 2023
Version 2.06
- minor bug fixes
SG Air version 2.05
Updated At: 2023-10-24
Changes: Oct 24, 2023
Version 2.05
- bug fixes
SG Air version 2.03
Updated At: 2021-03-09
Changes: Mar 9, 2021 Version 2.03
- minor bug fixes
SG Air version 2.02
Updated At: 2020-04-06
Changes: Apr 6, 2020 Version 2.02
- minor bug fixes
SG Air version 2.02
Updated At: 2020-04-06
Changes: 6 Apr 2020 Version 2.02
- minor bug fixes
SG Air version 2.01
Updated At: 2020-03-29
Changes: Mar 29, 2020 Version 2.01
- bug fixes: prevent app crashed on Chart page
- prevent app crash from users with location permission not granted
- chart page: long press region button will show selected region only
Disclaimer
Official App Store Link
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