Guide
How to Show Air Quality on Your Mac Desktop
Display air quality and AQI on your Mac desktop using the Weather app, widgets, and Siri, plus third-party AQI tools and an always-on wallpaper option.
To show air quality on your Mac desktop, open the Weather app and read the Air Quality tile for your location, then add the Weather widget to your desktop for a glanceable AQI. macOS includes AQI data natively, but only inside the Weather app or a widget that windows can cover. This guide walks through the built-in options, their limits, and how to keep AQI always visible.
The native option: the Weather app
macOS ships with a Weather app that includes an Air Quality Index reading.
- Open the Weather app.
- Make sure your location is set (allow Location Services for accurate local data).
- Scroll to the Air Quality tile to see the current AQI and category (Good, Moderate, Unhealthy, and so on).
The Weather app also breaks down pollutants and a short-term forecast on some devices. It's accurate but lives in its own window, so it's a check-when-you-open-it tool, not an always-on readout.
Add the Weather widget to your desktop
To get AQI closer to a glance, use a desktop widget:
- Right-click the desktop and choose Edit Widgets.
- Find the Weather widget group.
- Drag a widget that includes air quality (some sizes show AQI) onto the desktop.
The widget updates automatically with your location. The catch is the same as any desktop widget: it sits on the desktop layer and gets hidden when you maximize an app window. For the broader set of options, see best Mac desktop widgets.
Ask Siri
For a quick spoken answer, ask Siri "What's the air quality?" and it reports the current AQI for your location. Handy, but obviously not a persistent display.
Where native AQI falls short
- It's not always visible. Both the app and the widget require you to open something or risk being covered.
- Data gaps by region. AQI relies on nearby monitoring stations, so coverage and detail vary by location.
- No persistent at-a-glance number. macOS has no built-in always-on AQI readout on the desktop.
Third-party AQI tools
If you want a dedicated readout, specialized air quality apps offer:
- A menu bar AQI number that's always one glance from the corner of the screen.
- More pollutant detail (PM2.5, ozone) and station selection.
- Notifications when AQI crosses a threshold.
Menu bar AQI apps are convenient, though some poll frequently in the background. If you also want temperature and conditions on screen, our show the weather on your desktop guide pairs naturally with this.
Widgets vs. wallpaper for always-on AQI
The real question is placement. A widget is glanceable until a window covers it; a wallpaper dashboard renders the number into the background image so it stays behind your apps and is always there when you reach the desktop. We compare the two in macOS widgets vs. a live wallpaper dashboard.
Keep AQI on your wallpaper
If you care about air quality day to day — allergies, wildfire season, outdoor plans — having the AQI quietly present on your desktop beats opening the Weather app each time.
Orbl is a native macOS live wallpaper dashboard that can show air quality (AQI) alongside weather, your clock, and machine stats, rendered right onto the desktop. It's free, runs 100% locally, and idles near 0% CPU, so you get an always-visible AQI without a polling menu bar app or a widget that windows can hide.
At a glance
| Method | Always visible? | Where |
|---|---|---|
| Weather app | No (open app) | Weather app |
| Weather widget | No (window can cover) | Desktop |
| Siri | No (on request) | Voice |
| Wallpaper dashboard | Yes | Desktop |
Use the Weather app or widget for the native answer, and a wallpaper dashboard if you want AQI in front of you all day.
Frequently asked questions
How do I show air quality on my Mac desktop?+
Open the Weather app and check the Air Quality tile, then add the Weather widget to your desktop. For an AQI-focused readout, use a dedicated air quality app or a wallpaper dashboard.
Does macOS show AQI natively?+
Yes. The built-in Weather app shows an Air Quality Index tile for your location, and the Weather desktop widget can surface conditions. There is no standalone always-on AQI display, though.
Why is air quality missing in my Weather app?+
AQI data depends on nearby monitoring stations. In some regions it may be limited or unavailable. Make sure Location Services is on for Weather so it can use your current location.
Can I keep AQI visible without opening an app?+
A desktop widget shows it but can be covered by windows. A wallpaper dashboard renders AQI into the background so it stays visible behind your apps all day.
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