Softwr

Software · head to head

IQAir vs Visual Crossing Weather

IQAir logo

IQAir

Software

Global air quality information and purification

From
$399/one-time
Rated
-
Full reviewWebsite
Visual Crossing Weather logo

Visual Crossing Weather

Software

Historical and forecast weather data for any location

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Visual Crossing Weather 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; Visual Crossing Weather sub hourly weather history, solar and wind energy elements, soil and evapotranspiration data and degree day calculations are excluded from the Professional plan
  • They diverge on capability: IQAir covers Global AQI data, Visual Crossing Weather covers Historical weather.

Where they differ

Only the attributes on which IQAir and Visual Crossing Weather actually diverge.

Attributes where IQAir and Visual Crossing Weather differ
AttributeIQAirVisual Crossing Weather
Starting price$399/one-timeFree
Pricing modelUnknownfreemium
Free tierNoYes
PlatformsWeb, iOS, Android, HardwareApi, Web
Founded19632003

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

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
  • Mobile apps
  • Smart home
  • Ios support

Only in Visual Crossing Weather

  • Historical weather
  • 15-day forecasts
  • Weather query builder
  • Bulk downloads
  • REST API
  • Excel add-in
  • Python library

Both cover

  • API access
  • Web support
  • Api support

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 Visual Crossing Weather
  • Getting air quality forecasts for a locationnot Visual Crossing Weather
  • Remotely monitoring and controlling IQAir air purifiers from a smartphonenot Visual Crossing Weather
  • Integrating air quality/weather data into third-party apps via the AirVisual APInot Visual Crossing Weather
  • Tracking global air pollution using monitoring station datanot Visual Crossing Weather

Visual Crossing Weather

  • Pulling historical weather records for analysis and modellingnot IQAir
  • Adding forecast data to applications through a weather APInot IQAir
  • Weather driven analytics for energy, agriculture and logisticsnot 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

Visual Crossing Weather

  • Sub hourly weather history, solar and wind energy elements, soil and evapotranspiration data and degree day calculations are excluded from the Professional plan
  • Removing the attribution requirement needs the Corporate plan or above
  • Usage is metered in records rather than API calls, and the metered plan requires a cost calculator to work out the bill
  • Per record rates are not stated on the editions page
  • Enterprise terms are custom rather than published

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

Visual Crossing Weather

Free
  • FreeFree
    • 1,000 records/day
    • 15-day forecast
    • Historical data
  • Professional$35/month
    • 10,000 records/day
    • Full API
    • Support

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 Visual Crossing Weather if

  • You need historical weather.
  • You want to start without paying.
  • You work on Api, Web.
  • You also want 15-day forecasts.
Visual Crossing Weather review

Questions people ask

Is IQAir or Visual Crossing Weather better?
Neither clearly leads. IQAir starts at $399/one-time and Visual Crossing Weather at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IQAir or Visual Crossing Weather?
Visual Crossing Weather has a free tier; the other does not. Paid plans start at $399/one-time for IQAir and Free for Visual Crossing Weather.
Does IQAir or Visual Crossing Weather run on more platforms?
IQAir runs on Web, iOS, Android, Hardware. Visual Crossing Weather runs on Api, Web.
Can I use Visual Crossing Weather for free?
Yes. Visual Crossing Weather 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 Visual Crossing Weather is typically brought in for.
What can IQAir do that Visual Crossing Weather cannot?
IQAir covers Global AQI data, City rankings, Health recommendations, Forecasts. Visual Crossing Weather covers Historical weather, 15-day forecasts, Weather query builder, Bulk downloads. Both handle API access, Web support, Api support.

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
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
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
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
ShareXLinkedInRedditWhatsAppEmail

Related pages

More on IQAir

More on Visual Crossing Weather

Keep looking

Other head to heads