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EPA AirNow vs StormGeo

EPA AirNow logo

EPA AirNow

Weather

Official U.S. government air quality information

From
Free
Rated
-
Full reviewWebsite
StormGeo logo

StormGeo

Weather

Weather intelligence for shipping optimization

From
$800/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; StormGeo no longer independent as fully owned subsidiary of Alfa Laval since June 2021
  • They diverge on capability: EPA AirNow covers Official AQI data, StormGeo covers Weather routing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where EPA AirNow and StormGeo differ
AttributeEPA AirNowStormGeo
Starting priceFree$800/month
Pricing modelfreesubscription
Free tierYesNo
PlatformsiOS, Android, WebWeb, Windows, Api
Founded19701997

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 StormGeo

  • Weather routing
  • Voyage optimization
  • Fleet performance analytics
  • Safety alerts
  • ECDIS systems
  • Fleet management platforms
  • ERP systems
  • Windows 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 StormGeo
  • Viewing next-day AQI forecasts to plan outdoor activitiesnot StormGeo
  • Monitoring wildfire smoke via the Fire and Smoke Map (built with the U.S. Forest Service)not StormGeo
  • Saving multiple locations for quick referencenot StormGeo
  • Receiving optional push notifications for local AQI forecastsnot StormGeo

StormGeo

No use cases recorded yet. See the StormGeo review.

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

StormGeo

  • No longer independent as fully owned subsidiary of Alfa Laval since June 2021
  • Primarily Europe-based with less established presence in Asian maritime markets compared to Weathernews
  • Focused on commercial and industrial sectors rather than consumer weather services

Pricing, plan by plan

EPA AirNow

Free

No published plan breakdown. See the EPA AirNow review.

StormGeo

$800/month
  • s-Suite$2000/month
    • Weather routing
    • Voyage optimization
    • Fleet performance

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 StormGeo if

  • You need weather routing.
  • You work on Web, Windows, Api.
  • You also want voyage optimization.
StormGeo review

Questions people ask

Is EPA AirNow or StormGeo better?
Neither clearly leads. EPA AirNow starts at Free and StormGeo at $800/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, EPA AirNow or StormGeo?
EPA AirNow has a free tier; the other does not. Paid plans start at Free for EPA AirNow and $800/month for StormGeo.
Does EPA AirNow or StormGeo run on more platforms?
EPA AirNow runs on iOS, Android, Web. StormGeo runs on Web, Windows, Api.
Can I use EPA AirNow for free?
Yes. EPA AirNow has a free tier, so you can try it without paying. StormGeo starts at $800/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 StormGeo is typically brought in for.
What can EPA AirNow do that StormGeo cannot?
EPA AirNow covers Official AQI data, Air quality forecasts, Fire & smoke data, Health recommendations. StormGeo covers Weather routing, Voyage optimization, Fleet performance analytics, Safety alerts. 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
StormGeo: What industries does StormGeo serve?

StormGeo serves shipping, oil and gas, renewable energy, utilities, aviation, and cross-industry sectors with weather intelligence, routing, and operational decision support services.

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
StormGeo: What is s-Suite and what does it include?

s-Suite is StormGeo's complete, one-stop solution for shipping companies combining Voyage Planning, Onboard Route Optimization, Route Advisory Services and Fleet Performance Management.

Source
StormGeo: Does StormGeo offer weather routing for maritime operations?

Yes. StormGeo provides Weather Routing and Voyage Optimization services that empower onboard and shoreside teams to plan and execute optimized, compliant voyages by combining AI-driven insights, advanced technology, and weather intelligence.

Source
StormGeo: What is the s-Planner product used for?

StormGeo's s-Planner integrates route optimization and weather insights with up-to-date Electronic Navigational Charts and Publications to streamline onboard voyage planning workflow.

Source
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