# HK AQHI 香港空氣質素健康指數 vs 空氣污染警報

The clearest difference is ads: HK AQHI 香港空氣質素健康指數 at none against 空氣污染警報's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HK AQHI 香港空氣質素健康指數 ships an update every 2 months, 空氣污染警報 monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HK AQHI 香港空氣質素健康指數 | 空氣污染警報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/id6444897109/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 53 MB | 55 MB |
| Requires iOS | **15.6** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Environmental Protection Department of HKSARG](https://appshunter.io/developer/759560969) | [DoItWell Application Ltd](https://appshunter.io/developer/505381716) |

## What reviewers say

### HK AQHI 香港空氣質素健康指數

[App page](https://appshunter.io/ios/app/hk-aqhi/id759560966)

Access real-time air quality data and health risk assessments for Hong Kong. View current and forecasted air quality, pollutant concentrations, and receive personalized notifications. Includes widgets for quick access to essential information.

**Highlights:** Real-time AQHI broadcasting, Health risk category forecasts, Pollutant concentration trends, 24-hour historical data, Health risk notifications, Timed air quality alerts, Monitoring station widgets

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 空氣污染警報

[App page](https://appshunter.io/ios/app/id6444897109)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HK AQHI 香港空氣質素健康指數 free?

HK AQHI 香港空氣質素健康指數 is free to download, with no in-app purchases.

### Is 空氣污染警報 free?

空氣污染警報 is free to download, with no in-app purchases.

### Do HK AQHI 香港空氣質素健康指數 or 空氣污染警報 have ads?

空氣污染警報 shows ads; HK AQHI 香港空氣質素健康指數 does not.

### Which is updated more often, HK AQHI 香港空氣質素健康指數 or 空氣污染警報?

HK AQHI 香港空氣質素健康指數 ships an update every 2 months, and 空氣污染警報 monthly. Most recently, HK AQHI 香港空氣質素健康指數 was updated on November 1, 2026 and 空氣污染警報 on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*