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Weather & Environment · head to head

IQAir vs Today Weather

IQAir logo

IQAir

Weather & Environment

Global air quality information and purification

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

Today Weather

Weather & Environment

Clean minimalist weather with multiple data sources

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Today 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; Today Weather weather forecast accuracy is dependent on underlying data sources and cannot account for local microclimates
  • They diverge on capability: IQAir covers Global AQI data, Today Weather covers Multiple data sources.

Where they differ

Only the attributes on which IQAir and Today Weather actually diverge.

Attributes where IQAir and Today Weather differ
AttributeIQAirToday Weather
Starting price$399/one-timeFree
Free tierNoYes
PlatformsWeb, iOS, Android, HardwareiPhone, iPad, Apple Watch, Mac, iPod touch, Apple Vision Pro, Android
Founded19632017

Identical on both: pricing model (Unknown), user rating (Not yet rated), category (Weather & Environment).

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 Today Weather

  • Multiple data sources
  • Clean design
  • Hourly forecasts
  • Air quality
  • Precipitation alerts
  • Android widgets
  • iOS widgets
  • Wear OS

Both cover

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

Today Weather

  • Professional Worknot IQAir
  • Content Creationnot 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

Today Weather

  • Weather forecast accuracy is dependent on underlying data sources and cannot account for local microclimates
  • App does not provide offline forecast capability
  • Premium features require subscription or one-time purchase

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

Today Weather

Free
  • FreeFree
    • Weather forecasts
    • Basic radar
    • Air quality and UV index
  • Premium$2.99/year
    • Ad removal
    • Full radar capabilities
    • Advanced weather alerts
  • Premium (Lifetime)$17.99/one-time
    • All premium features
    • Perpetual license

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 Today Weather if

  • You need multiple data sources.
  • You want to start without paying.
  • You work on iPhone, iPad, Apple Watch, Mac, iPod touch, Apple Vision Pro, Android.
  • You also want clean design.
Today Weather review

Questions people ask

Is IQAir or Today Weather better?
Neither clearly leads. IQAir starts at $399/one-time and Today Weather at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IQAir or Today Weather?
Today Weather has a free tier; the other does not. Paid plans start at $399/one-time for IQAir and Free for Today Weather.
Does IQAir or Today Weather run on more platforms?
IQAir runs on Web, iOS, Android, Hardware. Today Weather runs on iPhone, iPad, Apple Watch, Mac, iPod touch, Apple Vision Pro, Android.
Can I use Today Weather for free?
Yes. Today 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 Today Weather is typically brought in for.
What can IQAir do that Today Weather cannot?
IQAir covers Global AQI data, City rankings, Health recommendations, Forecasts. Today Weather covers Multiple data sources, Clean design, Hourly forecasts, Air quality. Both handle Ios support, Android 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
Today Weather: Is Today Weather free?

Today Weather is free to download and use, with premium features available. Premium subscriptions are $2.99/year (with additional one-time purchase options at $17.99 for perpetual access), which unlock ad removal and full radar capabilities.

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
Today Weather: What weather data sources does Today Weather use?

Today Weather integrates data from multiple sources including NOAA, AccuWeather, Dark Sky, Weatherbit, OpenWeatherMap, Foreca, and national meteorological services for each country such as Weather.gov (US) and UK Met Office.

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
Today Weather: What platforms does Today Weather support?

Today Weather is available on iPhone, iPad, Apple Watch, Mac (M1+), iPod touch, and Apple Vision Pro. An Android version is also available on Google Play.

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
Today Weather: Does Today Weather offer widgets?

Yes, Today Weather includes 23 customizable widgets with multiple styles, allowing users to see weather data they need directly on their home screen.

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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Related pages

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