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Weather · head to head

IQAir vs Zoom Earth

IQAir logo

IQAir

Weather

Global air quality information and purification

From
$399/one-time
Rated
-
Full reviewWebsite
Zoom Earth logo

Zoom Earth

Weather

Free browser-based satellite weather and storm tracking, no account or install

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Zoom Earth has a free tier, so it costs nothing to try first.
  • Each has a real cost: IQAir extremely expensive compared to competitors with similar particle filtration performance; Zoom Earth there are no push notifications or alerts, so it cannot warn you proactively the way a mobile weather app can.
  • They diverge on capability: IQAir covers Global AQI data, Zoom Earth covers Global satellite view.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which IQAir and Zoom Earth actually diverge.

Attributes where IQAir and Zoom Earth differ
AttributeIQAirZoom Earth
Starting price$399/one-timeFree
Pricing modelUnknownFree, no account required
Free tierNoYes
PlatformsWeb, iOS, Android, HardwareWeb
Founded1963Unknown

Identical on both: user rating (Not yet rated), category (Weather).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in IQAir

  • Global AQI data
  • City rankings
  • Health recommendations
  • Forecasts
  • Historical data
  • API access
  • Mobile apps
  • Smart home

Only in Zoom Earth

  • Global satellite view
  • Storm tracking
  • MODIS high resolution
  • Historical imagery
  • Precipitation radar overlay
  • No install required

What people use each for

The jobs each tool is most often brought in to do.

IQAir

  • Checking real-time outdoor and indoor air quality (AQI, PM2.5, etc.) via the AirVisual appnot Zoom Earth
  • Getting air quality forecasts for a locationnot Zoom Earth
  • Remotely monitoring and controlling IQAir air purifiers from a smartphonenot Zoom Earth
  • Integrating air quality/weather data into third-party apps via the AirVisual APInot Zoom Earth
  • Tracking global air pollution using monitoring station datanot Zoom Earth

Zoom Earth

  • Watching a hurricane or typhoon track develop without installing an appnot IQAir
  • A quick global satellite check before deciding whether a local forecast app is worth openingnot IQAir
  • Journalists or researchers needing a citable, no-login satellite view of a weather eventnot IQAir
  • Comparing current satellite imagery against archived imagery from years earlier for the same regionnot IQAir

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

IQAir

  • Extremely expensive compared to competitors with similar particle filtration performance
  • Energy inefficient motors consume 215W at comparable CFM to cheaper models
  • Limited sensor specificity for users with specific allergies or respiratory concerns
  • Bulky design and outdated appearance unsuitable for modern interior design
  • Replacement filters are very expensive at $199.99 with high ongoing costs

Zoom Earth

  • There are no push notifications or alerts, so it cannot warn you proactively the way a mobile weather app can.
  • It has no offline mode, so it is unusable without an internet connection, unlike apps that cache forecasts.
  • Forecasting is minimal; it shows what the satellites and radar currently see rather than a detailed hyperlocal forecast.
  • Being free and unaccountable to a paying customer base, there is no committed support channel if the site or a data feed goes down.
  • The browser-only interface is less convenient for quick daily checks than a home-screen app icon with widgets.

Pricing, plan by plan

IQAir

$399/one-time
  • Atem Desk$399/one-time
    • Portable desktop air purifier
    • Small room coverage
  • Atem Eco$799.99/one-time
    • Smart air purification
    • Most affordable smart model
    • Released June 2026
  • Atem X$1399/one-time
    • Premium smart purifier
    • Large room coverage
    • Advanced filtration
  • HealthPro Plus$949/one-time
    • Medical-grade HyperHEPA filtration
    • Large room coverage
    • Gas and particle filtration

Zoom Earth

Free
  • Zoom EarthFree
    • Full satellite and storm tracking access
    • No account, no ads-gated tier
    • No offline mode or push alerts

Which should you pick?

Choose IQAir if

  • You need global aqi data.
  • You work on Web, iOS, Android, Hardware.
  • You also want city rankings.
IQAir review

Choose Zoom Earth if

  • You need global satellite view.
  • You want to start without paying.
  • You also want storm tracking.
Zoom Earth review

Questions people ask

Is IQAir or Zoom Earth better?
Neither clearly leads. IQAir starts at $399/one-time and Zoom Earth at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IQAir or Zoom Earth?
Zoom Earth has a free tier; the other does not. Paid plans start at $399/one-time for IQAir and Free for Zoom Earth.
Does IQAir or Zoom Earth run on more platforms?
IQAir runs on Web, iOS, Android, Hardware. Zoom Earth runs on Web.
Can I use Zoom Earth for free?
Yes. Zoom Earth has a free tier, so you can try it without paying. IQAir starts at $399/one-time.
What is IQAir best used for?
IQAir is most often used for checking real-time outdoor and indoor air quality (aqi, pm2.5, etc.) via the airvisual app, getting air quality forecasts for a location, remotely monitoring and controlling iqair air purifiers from a smartphone, integrating air quality/weather data into third-party apps via the airvisual api. Of those, checking real-time outdoor and indoor air quality (aqi, pm2.5, etc.) via the airvisual app and getting air quality forecasts for a location are not what Zoom Earth is typically brought in for.
What can IQAir do that Zoom Earth cannot?
IQAir covers Global AQI data, City rankings, Health recommendations, Forecasts. Zoom Earth covers Global satellite view, Storm tracking, MODIS high resolution, Historical imagery.

Answered from the vendors’ own pages

IQAir: What does IQAir do?

IQAir is a Swiss company providing two main services: air purification hardware (home and commercial air purifiers and filters) and air quality monitoring (real-time global air quality data from 80,000+ sensors worldwide, accessible via the AirVisual app and IQAir.com).

Source
Zoom Earth: Do I need to create an account?

No. Zoom Earth works without registration or login.

IQAir: How much do IQAir air purifiers cost?

IQAir air purifiers range from $399 for portable Atem models to $949 for the HealthPro Plus. The new Atem Eco model is $799.99. Replacement filters cost $199.99 and last 1-4 years depending on usage.

Source
Zoom Earth: Is there a mobile app?

No, it is a responsive website that works in mobile browsers rather than a native app.

IQAir: What real-time air quality data does IQAir provide?

IQAir provides real-time air quality data covering 500,000+ locations in 100+ countries, integrating data from government monitoring stations and 80,000+ IQAir-validated sensors. The platform measures PM2.5, PM10, and AQI for each location.

Source
Zoom Earth: How current is the imagery?

Geostationary imagery updates roughly every 10 to 15 minutes; higher-resolution MODIS imagery updates about twice a day.

IQAir: Does IQAir have a mobile app?

Yes. IQAir's AirVisual app is available on iOS and Android, providing real-time air quality information, AQI rankings, health recommendations, and remote control of IQAir smart air purifiers.

Source
IQAir: Is IQAir affordable compared to other air purifiers?

No. IQAir air purifiers are significantly more expensive than alternatives. The HealthPro Plus at $900 offers similar particle filtering to the Winix 5500-2 at $300. Higher cost is primarily due to superior gas filtration but poor overall value for most users.

Source
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