# Haze@SG — Best Haze Tracker in SG

> Singapore haze and air quality tracker with AQI, PM2.5, and PSI. (iPhone/iPad app by Hosay Studios.)

- Source: https://appshunter.io/ios/app/hazesg/id663816616 (this page in markdown: same URL + `.md`)
- Developer: [Hosay Studios](https://appshunter.io/developer/599398754)
- Category: Weather, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 66 MB
- Languages: American English
- Released: 2013-07-02
- Data updated: 2026-09-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/hazesg/id663816616/reviews.md

## What is Haze@SG?

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.

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
	•	Clear indicators to understand what the readings mean
	•	Share current haze levels with friends and family
	•	Alerts to stay informed

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.

--------------------------------
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

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

## Key features

- Hourly AQI readings
- Hourly PM2.5 levels
- 24-hour PSI
- Clear indicators
- Share haze levels
- Alerts

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Haze@SG Pro Monthly | $0.99 | per month |
| Haze@SG Pro Yearly | $12.99 | per year |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/hazesg/id663816616/reviews.md

### 4/5 — The contact button does not work :(

*2016-07-29*

Why can't you make the 3 apps in 1?
 The UV, Haze and weather would be a great app, don't want to have 3 on my phone lah

**Developer response:** Thank you for your suggestion. Currently we have shortcuts to quickly access the other apps within each app. We will consider your suggestion for future update.

### 5/5 — 구입 목록 삭제 부탁 드려요.

*2016-03-30*

구입 목록 삭제 부탁 드려요.

## Frequently asked questions about Haze@SG

### What is Haze@SG?

Haze@SG is an independently developed application that provides real-time air quality information for Singapore. It offers hourly AQI and PM2.5 readings, as well as 24-hour PSI based on NEA data, helping users stay informed about haze conditions.

### Does Haze@SG have ads?

Yes, Haze@SG contains advertisements. However, users can opt for a subscription to enjoy an ad-free experience and support the app's continued development and server costs.

### How much does Haze@SG subscription cost?

The subscription for Haze@SG is priced at SGD 1.99 per month or SGD 19.99 per year. Prices may vary by country. Payment is charged to your Apple ID account upon purchase confirmation.

### Can I cancel my Haze@SG subscription?

Yes, auto-renewal for your Haze@SG subscription can be turned off at any time in your Apple ID account settings after purchase. However, no cancellation of the current subscription is allowed during an active subscription period.

### What devices is Haze@SG available on?

Haze@SG is available on iPhone, iPad, and iPod. The app is designed to be compatible with these Apple devices.

### How often is Haze@SG updated?

Haze@SG was last updated on May 8, 2026, with version 3.1.1. The app has been maintained since 2013, indicating a history of ongoing development and reliability.

### What is the age rating for Haze@SG?

Haze@SG has an age rating of 4+. This indicates that the app is suitable for users aged four and above, with no mature content.

### How does Haze@SG compare to other weather apps?

Haze@SG focuses specifically on air quality and haze conditions in Singapore, offering detailed AQI, PM2.5, and PSI readings. While other weather apps may include air quality data, Haze@SG provides a more specialized and focused experience for this particular need.

## Version history (last 5 releases)

### 3.2.0 — 2026-08-24

- 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.

### 3.1.3 — 2026-08-17

- Minor bug fixes

### 3.1.2 — 2026-06-02

• Minor improvements and fixes

### 3.1.1 — 2026-05-08

- Improved interface layout for mobile devices with smaller screens

### 3.1.0 — 2026-04-28

- Minor bug fixes and performance improvements.

## Apps similar to Haze@SG

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [SG Weather](https://appshunter.io/ios/app/sg-weather/id434116443) | 3.5 (2) | Free | Weather |
| [myENV](https://appshunter.io/ios/app/myenv/id444435182) | 4.1 (300) | Free | Weather |
| [Rain Korkor: Singapore Weather](https://appshunter.io/ios/app/rain-korkor-singapore-weather/id6477400862) | — | Free | Weather |
| [191 Report](https://appshunter.io/ios/app/191-report/id1486363883) | 4.6 (14) | Free | Weather |
| [Local Haze](https://appshunter.io/ios/app/local-haze/id1278998405) | 4.6 (32) | Free | Weather |
| [SG Air](https://appshunter.io/ios/app/sg-air/id881004442) | 3.0 (2) | Free | Weather |

## More apps by Hosay Studios

- [Tio! Toto](https://appshunter.io/ios/app/tio-toto/id630569155)
- [MyWeather@SG](https://appshunter.io/ios/app/myweathersg/id708815885)
- [IPPT Buddy](https://appshunter.io/ios/app/ippt-buddy/id906627598)
- [BlueChips@SG](https://appshunter.io/ios/app/bluechipssg/id949237629)
- [Tio! 4D](https://appshunter.io/ios/app/tio-4d/id1097367763)

All apps by Hosay Studios: https://appshunter.io/developer/599398754

## Related topics

[haze explore](https://appshunter.io/ios/topics/haze-explore) · [haze](https://appshunter.io/ios/topics/haze)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*