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Weather · head to head

PurpleAir vs Weather Mate

PurpleAir logo

PurpleAir

Weather

Real-time air quality monitoring for communities

From
$229/one-time
Rated
-
Full reviewWebsite
W

Weather Mate

Weather

Clean weather app with smart notifications

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: PurpleAir purpleAir sensors are one-time hardware purchases rather than a subscription, priced $199 to $279 USD per unit for named models (PA-I-Indoor, PA-II, PA-II-SD), per the vendor's own store (archived, 2021).; Weather Mate primary website not accessible; domain resolves to 'not found'
  • They diverge on capability: PurpleAir covers PM2.5 monitoring, Weather Mate covers Clean interface.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which PurpleAir and Weather Mate actually diverge.

Attributes where PurpleAir and Weather Mate differ
AttributePurpleAirWeather Mate
Starting price$229/one-timeOn request
Pricing modelone-timeUnknown
PlatformsWeb, Api, HardwareiOS, Android

Identical on both: free tier (No), user rating (Not yet rated), category (Weather), founded (2015).

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 PurpleAir

  • PM2.5 monitoring
  • Real-time map
  • Historical data
  • Community network
  • API access
  • API access
  • Home Assistant
  • Data downloads

Only in Weather Mate

  • Clean interface
  • Smart notifications
  • Customizable alerts
  • Multiple locations
  • Widgets
  • iOS widgets
  • Apple Watch
  • Ios support

What people use each for

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

PurpleAir

  • Professional Worknot Weather Mate
  • Content Creationnot Weather Mate

Weather Mate

  • Real-time weather updates and forecastsnot PurpleAir
  • Weather alerts and notificationsnot PurpleAir
  • Clean, user-friendly weather interfacenot PurpleAir

Where each one falls short

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

PurpleAir

  • PurpleAir sensors are one-time hardware purchases rather than a subscription, priced $199 to $279 USD per unit for named models (PA-I-Indoor, PA-II, PA-II-SD), per the vendor's own store (archived, 2021).

Weather Mate

  • Primary website not accessible; domain resolves to 'not found'
  • No verifiable pricing information available
  • Limited ability to confirm current features or platform availability

Pricing, plan by plan

PurpleAir

$229/one-time
  • Outdoor Sensor$229/one-time
    • PM2.5 monitoring
    • Cloud connectivity
    • Map access
  • Indoor Sensor$199/one-time
    • Indoor monitoring
    • WiFi enabled
    • Real-time data

Weather Mate

On request

No published plan breakdown. See the Weather Mate review.

Which should you pick?

Choose PurpleAir if

  • You need pm2.5 monitoring.
  • You work on Web, Api, Hardware.
  • You also want real-time map.
PurpleAir review

Choose Weather Mate if

  • You need clean interface.
  • You work on iOS, Android.
  • You also want smart notifications.
Weather Mate review

Questions people ask

Is PurpleAir or Weather Mate better?
Neither clearly leads. PurpleAir starts at $229/one-time and Weather Mate at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PurpleAir or Weather Mate?
PurpleAir starts at $229/one-time and Weather Mate at On request.
Does PurpleAir or Weather Mate run on more platforms?
PurpleAir runs on Web, Api, Hardware. Weather Mate runs on iOS, Android.
What is PurpleAir best used for?
PurpleAir is most often used for professional work, content creation. Of those, professional work and content creation are not what Weather Mate is typically brought in for.
What can PurpleAir do that Weather Mate cannot?
PurpleAir covers PM2.5 monitoring, Real-time map, Historical data, Community network. Weather Mate covers Clean interface, Smart notifications, Customizable alerts, Multiple locations.
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