Haze@SG3.5.0 - App Store

Haze@SG helps you quickly check air quality levels across Singapore.

Stay updated with hourly AQI and PM2.5 readings, along with the 24-hour PSI, so you can make informed decisions throughout the day. The app is designed to be simple, fast, and easy to read at a glance.

NEW! Local Air Quality Stations

Explore additional AQI readings from local monitoring stations across Singapore, updated regularly. Find stations near you, see their distance from your location, and check the latest air quality conditions in different neighbourhoods.

Maintained since 2013, Haze@SG continues to provide reliable haze updates with a clean and focused experience.

Features:

* 1-hour AQI readings across all regions
* 1-hour PM2.5 levels for current conditions
* 24-hour PSI based on NEA data
* Local AQI readings from additional monitoring stations across Singapore
* Find nearby monitoring stations using your location
* Clear indicators to understand what the readings mean
* Latest haze news and weather forecasts
* Share current haze levels with friends and family
* Alerts to stay informed

Official regional air quality readings are sourced from NEA, while additional local station readings are provided by the World Air Quality Index (WAQI) project.

PM2.5 readings reflect short-term air quality and may change throughout the day depending on weather conditions and haze levels.

Haze@SG is independently developed and maintained. Your support helps cover server costs and ongoing improvements.

If you find the app useful, you can support its continued development through a subscription. As a subscriber, you also enjoy an ad-free experience.

Feedback and suggestions are welcome. You can reach us via email at support@hosaystudios.com or through the app.

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Subscription Information

Payment will be charged to your Apple ID account at confirmation of purchase.
Your account will be charged for renewal within 24 hours prior to the end of the current period.
Auto-renewal can be turned off at any time in your Apple ID account settings after purchase.
No cancellation of the current subscription is allowed during an active subscription period.

Subscription price:
SGD 1.99 per month
SGD 19.99 per year
Prices may vary by country.

Privacy Policy:
http://hosaystudios.com/privacy.html

Terms of Use:
http://hosaystudios.com/terms.html

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Note:
This app is not affiliated with NEA. Data is sourced from publicly available information, and any inaccuracies should not be attributed to NEA.

Version History • NEW! Local Air Quality Stations — Explore AQI readings from additional monitoring stations across Singapore
• Minor bug fixes and interface enhancements 3.5.0 16h ago • Improved 1-hour AQI readings with clearer air quality categories and information.
• Updated AQI and PSI colour indicators for easier understanding.
• Improved the air quality information panel with explanations of each AQI category.
• General reliability and interface improvements. 3.3.0 Sep 29 - Minor bug fixes and performance improvements 3.2.3 Sep 21 - Minor bug fixes and performance improvements 3.2.2 Sep 11 - Minor bug fixes and performance improvements 3.2.1 Sep 9 - Your beloved Animated Merlion is back! We’ve brought back the animated Merlion from the original Haze@SG, reacting to the current air quality conditions.
- We’ve also made some small improvements to the app experience. 3.2.0 Aug 24 - Minor bug fixes 3.1.3 Aug 17 • Minor improvements and fixes 3.1.2 Jun 2 - Improved interface layout for mobile devices with smaller screens 3.1.1 May 8 - Minor bug fixes and performance improvements. 3.1.0 Apr 28 - Updated interface with a cleaner and more consistent design. 3.0.2 Apr 24 - Updated interface with a cleaner and more consistent design. 3.0.0 Apr 15 - Fixed issues with toggling alert settings 2.4.8 09/12/2023 - Minor UI fixes 2.4.7 09/08/2023 - Minor bug fixes and performance improvement 2.4.6 09/07/2023 - Minor bug fixes and performance improvement 2.4.4 07/07/2023 - Minor bug fixes and performance improvement 2.4.3 06/21/2023 - Minor bug fixes and performance improvement 2.4.2 06/14/2023 - Bug fixes and performance improvements 2.4.1 02/04/2021 - Snowing effect added for the holiday season. 2.4.0 12/04/2019 - Performance improvements 2.3.2 09/23/2019 - Fixed issue with Merlion in South and North appearing in wrong positions,
- Different views (simple vs map) available for AQI depending on your preferences 2.3.1 09/19/2019 - Different views (simple vs map) available for AQI depending on your preferences 2.3.0 09/18/2019 - Added AQI for better assessment of the air quality,
- Added more information on how to read the AQI value so you can react accordingly,
- The Merlion is back in action! 2.2.1 09/16/2019 - Added AQI for better assessment of the air quality. 2.2.0 09/14/2019