# How's Air

> Real-time air quality

Canonical page: [https://chrome-stats.com/d/id1514350322](https://chrome-stats.com/d/id1514350322)

## Overview

- **ID:** `id1514350322`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 鸿升 刁
- **Category:** Weather
- **Version:** 2.1.0
- **Last updated:** 2021-03-21
- **First published:** 2020-05-24
- **Size:** 8.03 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/hows-air/id1514350322)
- **Website:** [https://diaohs.com](https://diaohs.com/)
- **Privacy policy:** [https://diaohs.com/legal/privacy/](https://diaohs.com/legal/privacy/)

## Description

A simple way to get air quality and pollution information, help you to protect yourself from air pollutions.

Based on your real-time location, this app can list out an overview of nearby monitoring stations with latest AQI (Air Quality Index), and data of each pollutants if available, like PM 2.5, PM10, CO, Ozone, NO2, etc. Alternatively, data can also be viewed on maps.

As of now, data covers thousands of stations around world, and is counting. Currently, this app only support U.S. AQI standard and China AQI standard for calculating AQI. Will try to support more world-wide standards in future.

All air quality related data are automatically collected from worldwide environmental protection agencies, data are NOT verified or validated, and is for your personal reference only.

By using this app, you agree to the Terms Of Use, Privacy Policy and Data Use Terms: https://diaohs.com/legal

## Rankings

- #2,235,946 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1514350322)