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Weather · head to head

EPA AirNow vs OneSoil

EPA AirNow logo

EPA AirNow

Weather

Official U.S. government air quality information

From
Free
Rated
-
Full reviewWebsite
OneSoil logo

OneSoil

Agriculture

Free precision farming app powered by AI

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: EPA AirNow air quality data availability depends on nearby monitoring stations, can show no data found near a location when no monitor is close enough; OneSoil no price, tier or minimum is published; enterprise access requires scheduling a demo and the only self-serve entry point is a free demo app
  • They diverge on capability: EPA AirNow covers Official AQI data, OneSoil covers Satellite field monitoring.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which EPA AirNow and OneSoil actually diverge.

Attributes where EPA AirNow and OneSoil differ
AttributeEPA AirNowOneSoil
Pricing modelfreefreemium
PlatformsiOS, Android, WebWeb, Ios, Android
CategoryWeatherAgriculture
Founded19702017

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 EPA AirNow

  • Official AQI data
  • Air quality forecasts
  • Fire & smoke data
  • Health recommendations
  • API access
  • Data feeds
  • Widgets
  • API

Only in OneSoil

  • Satellite field monitoring
  • NDVI vegetation analysis
  • Variable rate maps
  • Field productivity zones
  • Weather integration
  • Crop rotation history
  • Field boundaries auto-detect
  • Equipment compatibility

Both cover

  • Web support

What people use each for

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

EPA AirNow

  • Checking current Air Quality Index (AQI) for a location or any searched areanot OneSoil
  • Viewing next-day AQI forecasts to plan outdoor activitiesnot OneSoil
  • Monitoring wildfire smoke via the Fire and Smoke Map (built with the U.S. Forest Service)not OneSoil
  • Saving multiple locations for quick referencenot OneSoil
  • Receiving optional push notifications for local AQI forecastsnot OneSoil

OneSoil

  • Monitoring crop health across fields using satellite NDVI mapsnot EPA AirNow
  • Producing variable rate application maps to vary inputs within a fieldnot EPA AirNow
  • Identifying crops and estimating planted area across regions for traders and food companiesnot EPA AirNow

Where each one falls short

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

EPA AirNow

  • Air quality data availability depends on nearby monitoring stations, can show no data found near a location when no monitor is close enough
  • Interactive monitor map (PM2.5, PM10, ozone) coverage documented on the primary source is U.S.-focused
  • As a government-run service it offers no paid tiers, proprietary data sources, or customization options found in commercial weather/air-quality apps

OneSoil

  • No price, tier or minimum is published; enterprise access requires scheduling a demo and the only self-serve entry point is a free demo app
  • Field monitoring is satellite based, so the platform provides no in-field sensor or soil measurement of its own

Pricing, plan by plan

EPA AirNow

Free

No published plan breakdown. See the EPA AirNow review.

OneSoil

Free
  • FreeFree
    • Unlimited fields
    • Satellite imagery
    • NDVI monitoring
  • Pro$2/hectare/year
    • Everything in Free
    • Variable rate maps
    • Field zones creation

Which should you pick?

Choose EPA AirNow if

  • You need official aqi data.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want air quality forecasts.
EPA AirNow review

Choose OneSoil if

  • You need satellite field monitoring.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want ndvi vegetation analysis.
OneSoil review

Questions people ask

Is EPA AirNow or OneSoil better?
Neither clearly leads. EPA AirNow starts at Free and OneSoil at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, EPA AirNow or OneSoil?
EPA AirNow starts at Free and OneSoil at Free.
Does EPA AirNow or OneSoil run on more platforms?
EPA AirNow runs on iOS, Android, Web. OneSoil runs on Web, Ios, Android.
Can I use EPA AirNow for free?
Both have a free tier, so you can try either at no cost before committing.
What is EPA AirNow best used for?
EPA AirNow is most often used for checking current air quality index (aqi) for a location or any searched area, viewing next-day aqi forecasts to plan outdoor activities, monitoring wildfire smoke via the fire and smoke map (built with the u.s. forest service), saving multiple locations for quick reference. Of those, checking current air quality index (aqi) for a location or any searched area and viewing next-day aqi forecasts to plan outdoor activities are not what OneSoil is typically brought in for.
What can EPA AirNow do that OneSoil cannot?
EPA AirNow covers Official AQI data, Air quality forecasts, Fire & smoke data, Health recommendations. OneSoil covers Satellite field monitoring, NDVI vegetation analysis, Variable rate maps, Field productivity zones. Both handle Web support.

Answered from the vendors’ own pages

EPA AirNow: Is AirNow.gov free to use?

Yes. AirNow.gov is a free service operated by the EPA and its partners that provides air quality data, forecasts, maps, and educational resources at no cost to users.

Source
OneSoil: How much does OneSoil cost?

OneSoil does not publish pricing on its website. The platform offers a free trial at app.onesoil.ai or a demo can be scheduled through their contact form.

Source
EPA AirNow: Are there any subscription costs or fees associated with AirNow.gov?

No. AirNow.gov offers all services, data access, and tools completely free. There are no subscription tiers, fees, or payment options of any kind.

Source
OneSoil: What pricing model does OneSoil use?

OneSoil's pricing model is not disclosed on their public website. Contact [email protected] or schedule a demo to learn about pricing and subscription options.

Source
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