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EPA AirNow vs Weathernews Inc

EPA AirNow logo

EPA AirNow

Weather

Official U.S. government air quality information

From
Free
Rated
-
Full reviewWebsite
Weathernews Inc logo

Weathernews Inc

Weather

Global weather solutions for shipping

From
$600/month
Rated
-
Full reviewWebsite

The short version

  • Only EPA AirNow has a free tier, so it costs nothing to try first.
  • 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; Weathernews Inc primarily Japan-based with headquarters in Chiba, may have lower coverage in certain regional markets outside Asia
  • They diverge on capability: EPA AirNow covers Official AQI data, Weathernews Inc covers Optimum ship routing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which EPA AirNow and Weathernews Inc actually diverge.

Attributes where EPA AirNow and Weathernews Inc differ
AttributeEPA AirNowWeathernews Inc
Starting priceFree$600/month
Pricing modelfreesubscription
Free tierYesNo
PlatformsiOS, Android, WebWeb, Api, Mobile
Founded19701986

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 EPA AirNow

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

Only in Weathernews Inc

  • Optimum ship routing
  • Weather forecasting
  • Voyage planning
  • Risk assessment
  • Fleet management
  • Bridge systems
  • Navigation software
  • Mobile support

Both cover

  • 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 Weathernews Inc
  • Viewing next-day AQI forecasts to plan outdoor activitiesnot Weathernews Inc
  • Monitoring wildfire smoke via the Fire and Smoke Map (built with the U.S. Forest Service)not Weathernews Inc
  • Saving multiple locations for quick referencenot Weathernews Inc
  • Receiving optional push notifications for local AQI forecastsnot Weathernews Inc

Weathernews Inc

  • Optimizing cargo ship navigation with real-time maritime weather forecastsnot EPA AirNow
  • Supporting offshore wind farm operations with 24-hour weather monitoringnot EPA AirNow
  • Providing exclusive wind data for commercial drone flight planningnot EPA AirNow
  • Routing emergency medical helicopters in Japan with weather intelligencenot 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

Weathernews Inc

  • Primarily Japan-based with headquarters in Chiba, may have lower coverage in certain regional markets outside Asia
  • Marine weather data and aviation services are newer offerings compared to core weather forecasting capabilities
  • Competition from established European weather services in maritime sector

Pricing, plan by plan

EPA AirNow

Free

No published plan breakdown. See the EPA AirNow review.

Weathernews Inc

$600/month
  • Optimum Routing$1500/month
    • Weather routing
    • Voyage optimization
    • 24/7 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.
EPA AirNow review

Choose Weathernews Inc if

  • You need optimum ship routing.
  • You work on Web, Api, Mobile.
  • You also want weather forecasting.
Weathernews Inc review

Questions people ask

Is EPA AirNow or Weathernews Inc better?
Neither clearly leads. EPA AirNow starts at Free and Weathernews Inc at $600/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, EPA AirNow or Weathernews Inc?
EPA AirNow has a free tier; the other does not. Paid plans start at Free for EPA AirNow and $600/month for Weathernews Inc.
Does EPA AirNow or Weathernews Inc run on more platforms?
EPA AirNow runs on iOS, Android, Web. Weathernews Inc runs on Web, Api, Mobile.
Can I use EPA AirNow for free?
Yes. EPA AirNow has a free tier, so you can try it without paying. Weathernews Inc starts at $600/month.
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 Weathernews Inc is typically brought in for.
What can EPA AirNow do that Weathernews Inc cannot?
EPA AirNow covers Official AQI data, Air quality forecasts, Fire & smoke data, Health recommendations. Weathernews Inc covers Optimum ship routing, Weather forecasting, Voyage planning, Risk assessment. Both handle 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
Weathernews Inc: Does Weathernews provide marine weather data?

Yes. Weathernews provides wind, wave, current, sea ice, and typhoon information for global marine operations through its SeaNavigator platform, which launched SeaNavigator for Master in December 2025 with AI-assisted operations support.

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
Weathernews Inc: What marine weather products does Weathernews offer?

Weathernews offers SeaNavigator Marine Weather Service, SeaNavigator for Master with conversational AI for captains, and marine data for Middle East waters made available free of charge in April 2026.

Source
Weathernews Inc: Does Weathernews serve the aviation industry?

Yes. Weathernews expanded aviation services with the December 2025 launch of SkyAviators, offering Global Aviation Weather Intelligence with turbulence risk assessments and takeoff/landing feasibility judgments for airports worldwide.

Source
Weathernews Inc: What was Weathernews founded in response to?

Weathernews was founded on June 11, 1986 by Hiro Ishibashi in response to a tragic maritime disaster where a cargo vessel sank at the port of Onahama, Japan with 15 crew members lost, demonstrating the need for better weather information.

Source
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