# Touch Air

> Air quality and exposure tracker for Hong Kong and mainland China. (iPhone/iPad app by Bo Huang.)

- Source: https://appshunter.io/ios/app/touch-air/id1165297886 (this page in markdown: same URL + `.md`)
- Developer: [Bo Huang](https://appshunter.io/developer/1165297885)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 14 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2016-11-02
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/touch-air/id1165297886/reviews.md

## What is Touch Air?

Inquiry of Air Quality and Exposure for locations in Hong Kong S.A.R and some large cities in Mainland China.
Track your activities and offer an estimated pollutant exposure value.

Note: During tracking, the continued use of GPS running in the background can dramatically decrease battery life.

## Key features

- Air quality monitoring
- Pollutant exposure estimation
- Activity tracking
- Location-based data
- Supports Hong Kong and mainland China

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/touch-air/id1165297886/reviews.md

### 3/5 — Pollution data not updated

*2019-01-10, version 1.4.5*

Pollution data not updated anymore after IOS latest update.

### 3/5 — 仍然開唔到

*2018-05-11, version 1.4.1*

Update 完仍然開唔到

### 1/5 — 十分失望，並不包括澳門。

*2018-05-02, version 1.2.1*

不能看澳門空氣指數。

### 5/5 — Great App！！！

*2016-11-03, version 1.0*

Hope add more cities asap：）

## Frequently asked questions about Touch Air

### What is Touch Air?

Touch Air is a health and fitness application designed to monitor air quality and estimate pollutant exposure for locations in Hong Kong and major cities in mainland China. It also allows users to track their activities to understand their environmental impact.

### What regions does Touch Air cover?

Touch Air provides air quality and exposure information specifically for locations in Hong Kong S.A.R and several large cities in mainland China. It focuses on these regions for its data collection and analysis.

### Does Touch Air have ads?

No, Touch Air does not contain advertisements. The application is free to use and does not display any ads to its users.

### What devices is Touch Air compatible with?

Touch Air is available for Apple devices, including iPhone, iPad, and iPod. It is designed to run on these iOS-powered devices.

### When was Touch Air last updated?

The latest version of Touch Air, 1.4.6, was last updated on April 15, 2022. This indicates the app receives periodic updates to maintain its functionality.

### What is the age rating for Touch Air?

Touch Air has an age rating of 4+. This means it is considered suitable for children aged four and older, with no mature content.

### Can Touch Air affect my phone's battery life?

Yes, the continued use of GPS running in the background while tracking activities with Touch Air can significantly decrease battery life. Users should be mindful of this when using the tracking feature.

## Version history (last 5 releases)

### 1.4.6 — 2022-04-15

Bug Fix

### 1.4.5 — 2018-06-27

This app has been updated by Apple to display the Apple Watch app icon.

Minor updates

### 1.4.4 — 2018-06-21

Minor update

### 1.4.3 — 2018-06-08

Chart now supports monthly contamination data queries, covering the latest 12 months.
Minor bugs fixed.

### 1.4.2 — 2018-05-12

Fixed a bug which causes crash on app launch.

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| [Ravs Fitness](https://appshunter.io/ios/app/ravs-fitness/id1613306660) | — | Free | Health & Fitness |
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## More apps by Bo Huang

- [PhotoAir (In/outdoor PM2.5)](https://appshunter.io/ios/app/photoair-inoutdoor-pm25/id1498944089)

All apps by Bo Huang: https://appshunter.io/developer/1165297885

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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 2026-07-07.*