About Local Haze
Local Haze crowdsources outdoor air quality data from many different sources and delivers it to your iPhone for free. In release 2.2, Local Haze subscribers now get air quality “at-a-glance” with Home Screen widgets in...
Local Haze crowdsources outdoor air quality data from many different sources and delivers it to your iPhone for free.
In release 2.2, Local Haze subscribers now get air quality “at-a-glance” with Home Screen widgets in addition to the ability to subscribe to notifications for a sensor for significant changes in air quality.
About Local Haze
Local Haze reports air quality data from a variety of sensors including: PurpleAir, Sensor.Community, uRADMonitor, AirNow and the U.S. Department of State. In addition to viewing current air quality conditions, using Local Haze allows you to share sensor maps displaying air quality readings anywhere in the world.
The World Health Organization and U.S. Environmental Protection Agency (EPA) have developed guidelines for safe air quality as impacted by chemical pollutants and particulate matter (PM). PM smaller than 10 micrometers poses problems because it can enter the bloodstream. Local Haze displays the level of smaller PM 2.5 particles, which pose the most significant risk to health.
Add a Local Haze widget
See a snapshot of your favorite AQ sensor anytime you glance at your phone. One tap takes you to the AQ sensor details screen. Saves time and reduces scrolling or searching for specific AQ sensor data. For directions on how to add a Local Haze widget, visit this page:
https://localhaze.humanlogic.com/2023/07/22/adding-a-local-haze-widget/
Notifications in Local Haze
To set a notification, subscribers can tap on the bell icon on any PurpleAir, Sensor.Communit, uRADMonitor and AirNow sensor detail screen. Notifications will be sent to your phone when the air quality changes.
How Local Haze displays air quality data
Local Haze displays the EPA’s Air Quality Index (AQI) and a confidence rating for each sensor reading. The confidence rating is a feature that is unique to Local Haze and depends on many factors, including sensor maintenance and data freshness.
Each AQ sensor reading is displayed according to the key below, with a badge on the lower right that represents a confidence rating:
Green Face: Air quality is Good.
Air quality is considered satisfactory, and air pollution poses little or no risk.
Yellow Face: Air quality is Moderate.
Air quality is acceptable. For some pollutants, there may
be a moderate health concern.
Orange Face: Air quality is Unhealthy for sensitive groups.
The general public is not likely to be affected, but persons with heart & lung disease, older adults and children, are
at greater risk from the presence of ozone or particles.
Red Face: Air quality is Unhealthy
Everyone may begin to experience some adverse health effects, and members of the sensitive groups may experience more serious effects.
Black face mask with respirator: Air quality is Hazardous.
Everyone may experience more serious health effects with possible emergency conditions. The entire population is more likely to be affected.
Note: The source for the above AQ index classification is from Air Quality Index (AQI) Basics - EPA: https://www.airnow.gov/aqi/aqi-basics/
The confidence rating badges are:
Green badge with thumbs up: High confidence in the air sensor reading.
Yellow badge with OK sign: OK confidence in the air sensor reading.
Red badge with thumbs down: Low confidence in the air sensor reading.
We hope you enjoy using Local Haze! If you have any feedback about Local Haze please email us at
[email protected] or visit https://localhaze.humanlogic.com/
Apr 15, 2024
Version 2.2.4
- Add deep link to buy sensors from sensor details
Previous Versions
Here you can find the changelog of Local Haze since it was posted on our website on 2020-08-03 11:35:04.
The latest version is 2.2.4 and it was updated on 2024-04-19 19:07:59. See below the changes in each version.
Local Haze version 2.2.4
Updated At: 2024-04-15
Changes: Apr 15, 2024
Version 2.2.4
- Add deep link to buy sensors from sensor details
Local Haze version 2.2.3
Updated At: 2023-11-13
Changes: Nov 13, 2023
Version 2.2.3
- iPhoneOS / iPadOS 17 / macOS 14 compatibility updates
Local Haze version 2.2.2
Updated At: 2023-10-03
Changes: Oct 3, 2023
Version 2.2.2
- add support for notifications from AirNow sensors
Local Haze version 2.2.1
Updated At: 2023-09-05
Changes: Sep 5, 2023
Version 2.2.1
- Widget bug fixes and misc. optimizations.
Local Haze version 2.2.0
Updated At: 2023-07-24
Changes: Jul 24, 2023
Version 2.2.0
- added Home Screen and Today View widget support.
- misc. bug fixes.
Local Haze version 2.1.2
Updated At: 2023-01-23
Changes: Jan 23, 2023
Version 2.1.2
- update to utilize the latest AirNow APIs
- misc. performance enhancements and bug fixes
Local Haze version 2.1.1
Updated At: 2022-04-13
Changes: Apr 13, 2022 Version 2.1.1
- Updated logo for Sensor.Community air quality sensors on sensor details screen.
Local Haze version 2.1.0
Updated At: 2022-01-03
Changes: Jan 3, 2022 Version 2.1.0
- Add support for notifications on sensors from Sensor.Community and uRADMonitor
- Add What's New experience to highlight latest functionality
Local Haze version 2.0.0
Updated At: 2021-11-20
Changes: Nov 20, 2021 Version 2.0.0
- Notifications for PurpleAir sensors.
Local Haze version 1.5.1
Updated At: 2021-01-22
Changes: Jan 22, 2021 Version 1.5.1
- Misc. small bugfixes
Disclaimer
Official App Store Link
We do not host Local Haze on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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