AppBrain's verdict
- Last updated
- October 23, 2026
- Size
- 11.2 MB
User feedback
Ratings and reviews on the App StoreComments on O2Quality for iOS
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Store listing
By Tomohiko Shimizu, from the App StoreDescription by Tomohiko Shimizu Written by the developer, not by AppBrain. Click to read.
※ O2QualityはWeather data by Open-Meteo.comのデータを利用しています。All data is provided as is without any warranty.
※ 日本国内では、いまいる場所の最寄りに大気汚染を測定する装置が必要十分な数だけ設置されていないエリアがあると考えられます。
[ 空気質指数(AQI)を分かりやすくにお伝えします ]
米国大気質指数と欧州大気質指数が定める10段階の空気質指数(AQI)を、危険度の段階を表す数字と概要、そして危険度を表す色でお伝えします。
[ 6種類の汚染物質の指数をお伝えします ]
一酸化炭素(Carbon Monoxide)、オゾン(Ozone)、二酸化窒素(Nitrogen dioxide)、二酸化硫黄(Sulphur dioxide)、PM2.5、PM10といった汚染物質を対象に、およそ5日間の予報値をお伝えします。
[ 6種類の汚染物質の濃度をお伝えします ]
一酸化炭素(Carbon Monoxide)、オゾン(Ozone)、二酸化窒素(Nitrogen dioxide)、二酸化硫黄(Sulphur dioxide)、PM2.5、PM10といった汚染物質を対象に、およそ5日間の予報値をお伝えします。
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 11.2 MB
- Content rating
- Everyone
Technologies used by O2Quality
Releases
Updates seen on the App Store- Version
- 2.7
- Launched
- June 2021
No changelog data
Alternatives
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Rankings
App Store top chartsApp Store Rankings for O2Quality
About the app and developer
About O2Quality
O2Quality is a weather app developed by Tomohiko Shimizu.
What is the rating of O2Quality?
O2Quality has no ratings yet.
Is O2Quality free?
O2Quality is free. The app size is 11.19 MB. The latest version available is 2.7. The last update was on October 23, 2026.
What are the requirements for O2Quality?
The app has a content rating of Everyone. The app has been available on the App Store since June 2021.
O2Quality is made and published by Tomohiko Shimizu. AppBrain is an independent app data site and isn't affiliated with Tomohiko Shimizu. The app name, icon, screenshots and description belong to Tomohiko Shimizu and are shown as published on the App Store.
Developer information for Tomohiko Shimizu
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Frequently asked questions about O2Quality
Is O2Quality free?
Yes. O2Quality is free on the App Store.
Is O2Quality still available?
Yes. O2Quality is on the App Store, and the last update we saw was on October 23, 2026.
How large is O2Quality?
O2Quality is 11.19 MB.
Is O2Quality suitable for children?
App Store rates the content of O2Quality as suitable for everyone.
Who made O2Quality?
O2Quality was developed by Tomohiko Shimizu. It is listed in the weather category on the App Store.
What are the best alternatives to O2Quality?
People looking at O2Quality also look at these weather apps: ソラミル, 福岡県PM2.5・大気環境速報-アトモス, インフルエンザ警戒計, 雨雲どこナビ, AirQualityMeter.