なかなか良いです。
米国と欧州の基準で地元の大気指数の
履歴を見られるので、空気にこだわる
人に良いと思います。
履歴を見られるので、空気にこだわる
人に良いと思います。
Free
About
Provides real-time air quality information based on US and European Air Quality Index (AQI) standards. It forecasts pollutant levels for up to five days, including carbon monoxide, ozone, nitrogen dioxide, sulfur dioxide, PM2.5, and PM10.
✓Real-time AQI reporting
✓US and European AQI standards
✓Forecasts for 6 pollutants
✓5-day pollutant forecasts
✓Color-coded risk levels
✓Pollutant concentration data
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What's New in O2Quality
2.5
September 19, 2025
iOS26のLiquid Glassに準拠したデザインとアイコンに対応。 アプリ全体のUIデザインを全面的に再構築。 その他細かな改良、バグフィックスを実施。
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FAQ
What is O2Quality?
O2Quality provides real-time air quality information based on US and European Air Quality Index (AQI) standards. It forecasts pollutant levels for up to five days, including carbon monoxide, ozone, nitrogen dioxide, sulfur dioxide, PM2.5, and PM10.
What data sources does O2Quality use?
O2Quality utilizes weather data from Open-Meteo.com. All data is provided as is without any warranty.
Does O2Quality have ads?
No, O2Quality does not contain advertisements.
What pollutants does O2Quality track?
O2Quality tracks six types of pollutants: Carbon Monoxide, Ozone, Nitrogen dioxide, Sulphur dioxide, PM2.5, and PM10.
What is the AQI scale used by O2Quality?
O2Quality uses a 10-level Air Quality Index (AQI) defined by US and European standards, presented with numerical risk levels, summaries, and color-coded indicators.
What devices is O2Quality available on?
O2Quality is available on Mac, iPhone, and iPad.
How often is O2Quality updated?
The latest version of O2Quality is 2.5, and it was last updated on September 19, 2025.
Is O2Quality suitable for children?
O2Quality has an age rating of 4+, making it suitable for children.
