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Plume Labs vs Weather Underground PWS

Plume Labs logo

Plume Labs

Weather

Personal air quality tracking and forecasting

From
$179/one-time
Rated
-
Full reviewWebsite
Weather Underground PWS logo

Weather Underground PWS

Weather

World's largest personal weather station network

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Weather Underground PWS has a free tier, so it costs nothing to try first.
  • Each has a real cost: Plume Labs plume Labs states on its own site that the Flow and Flow 2 hardware are no longer available for purchase, while the Plume Labs App and the Plume API continue to operate; Weather Underground PWS personal weather station network relies on community contributions
  • They diverge on capability: Plume Labs covers Personal air sensor, Weather Underground PWS covers Station network.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Plume Labs and Weather Underground PWS actually diverge.

Attributes where Plume Labs and Weather Underground PWS differ
AttributePlume LabsWeather Underground PWS
Starting price$179/one-timeFree
Pricing modelone-timefree
Free tierNoYes
PlatformsIos, Android, HardwareWeb, Mobile
Founded20141995

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 Plume Labs

  • Personal air sensor
  • Real-time tracking
  • Exposure insights
  • Route suggestions
  • Health tips
  • Mobile app
  • Fitness trackers
  • Smart home

Only in Weather Underground PWS

  • Station network
  • Real-time upload
  • Historical data
  • Quality control
  • Community rankings
  • PWS devices
  • Data APIs
  • Weather apps

What people use each for

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

Plume Labs

  • Professional Worknot Weather Underground PWS
  • Content Creationnot Weather Underground PWS

Weather Underground PWS

  • Community-sourced weather station networknot Plume Labs
  • Personal weather monitoring and forecastingnot Plume Labs
  • Historical weather data accessnot Plume Labs
  • Severe weather alerts and notificationsnot Plume Labs

Where each one falls short

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

Plume Labs

  • Plume Labs states on its own site that the Flow and Flow 2 hardware are no longer available for purchase, while the Plume Labs App and the Plume API continue to operate

Weather Underground PWS

  • Personal weather station network relies on community contributions
  • Data accuracy varies by station quality

Pricing, plan by plan

Plume Labs

$179/one-time
  • Flow 2$179/one-time
    • Personal sensor
    • Real-time tracking
    • App access

Weather Underground PWS

Free
  • FreeFree
    • Station registration
    • Data upload
    • Dashboard

Which should you pick?

Choose Plume Labs if

  • You need personal air sensor.
  • You work on Ios, Android, Hardware.
  • You also want real-time tracking.
Plume Labs review

Choose Weather Underground PWS if

  • You need station network.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want real-time upload.
Weather Underground PWS review

Questions people ask

Is Plume Labs or Weather Underground PWS better?
Neither clearly leads. Plume Labs starts at $179/one-time and Weather Underground PWS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Plume Labs or Weather Underground PWS?
Weather Underground PWS has a free tier; the other does not. Paid plans start at $179/one-time for Plume Labs and Free for Weather Underground PWS.
Does Plume Labs or Weather Underground PWS run on more platforms?
Plume Labs runs on Ios, Android, Hardware. Weather Underground PWS runs on Web, Mobile.
Can I use Weather Underground PWS for free?
Yes. Weather Underground PWS has a free tier, so you can try it without paying. Plume Labs starts at $179/one-time.
What is Plume Labs best used for?
Plume Labs is most often used for professional work, content creation. Of those, professional work and content creation are not what Weather Underground PWS is typically brought in for.
What can Plume Labs do that Weather Underground PWS cannot?
Plume Labs covers Personal air sensor, Real-time tracking, Exposure insights, Route suggestions. Weather Underground PWS covers Station network, Real-time upload, Historical data, Quality control.

Answered from the vendors’ own pages

Plume Labs: Is the Flow 2 air quality sensor still available for purchase?

No. Plume Labs discontinued the Flow 2 hardware in Spring 2023. It is no longer for sale.

Source
Weather Underground PWS: Is there a cost to join the Weather Underground Personal Weather Station network?

No cost is disclosed for joining the Weather Underground PWS network. The site encourages users to join and contribute weather data.

Source
Plume Labs: What air quality products does Plume Labs currently offer?

Plume Labs now offers the Plume Labs App for air quality forecasts and the Plume API for business data solutions. Specific pricing for these services is not disclosed on the website.

Source
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