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EPA AirNow vs Visual Crossing Weather

EPA AirNow logo

EPA AirNow

Weather

Official U.S. government air quality information

From
Free
Rated
-
Visual Crossing Weather logo

Visual Crossing Weather

Weather

Historical and forecast weather data for any location

From
Free
Rated
-

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; 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: EPA AirNow covers Official AQI data, Visual Crossing Weather covers Historical weather.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where EPA AirNow and Visual Crossing Weather differ
AttributeEPA AirNowVisual Crossing Weather
Pricing modelfreefreemium
PlatformsiOS, Android, WebApi, Web
Founded19702003

Identical on both: starting price (Free), free tier (Yes), 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 EPA AirNow

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

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.

EPA AirNow

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

Visual Crossing Weather

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

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

EPA AirNow

Free

No published plan breakdown. See the EPA AirNow review.

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 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.

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.

Questions people ask

Is EPA AirNow or Visual Crossing Weather better?
Neither clearly leads. EPA AirNow starts at Free and Visual Crossing Weather at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, EPA AirNow or Visual Crossing Weather?
EPA AirNow starts at Free and Visual Crossing Weather at Free.
Does EPA AirNow or Visual Crossing Weather run on more platforms?
EPA AirNow runs on iOS, Android, Web. Visual Crossing Weather runs on Api, Web.
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 Visual Crossing Weather is typically brought in for.
What can EPA AirNow do that Visual Crossing Weather cannot?
EPA AirNow covers Official AQI data, Air quality forecasts, Fire & smoke data, Health recommendations. 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

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
Visual Crossing Weather: Does Visual Crossing offer free weather data?

Yes, the first 1,000 daily records are free and include both historical and forecast data for commercial use.

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
Visual Crossing Weather: Can I use Visual Crossing weather data for commercial purposes?

Yes, all Visual Crossing subscription tiers include commercial use rights.

Source
Visual Crossing Weather: What is the difference between the Metered and Corporate plans on Visual Crossing?

The Metered plan charges pay-as-you-go for unlimited records with 5 locations per query. The Corporate plan has unlimited records with fair use policy, 1,000 locations per query, advanced features like solar and wind energy, and premium support included.

Source
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