EPA AirData

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US outdoor air-quality measurements and downloads

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SI Score: 60/100
Pricing: Not confirmed
Free plan: Not confirmed
Sign-up required: Not confirmed

Open Data united-states

Ask SI about EPA AirData

Answers use saved listing facts and recorded sources.

What it does

AirData provides access to US outdoor air-monitoring information with visualisation and pre-generated-file routes.

For monitored outdoor-air data, choose the new AirData app, pre-generated files, raw-data API or monitor map. EPA directs current-condition users to AirNow and fire-event users to the Fire and Smoke map. On 26 October 2026, its legacy-tools notice gave an 18 December availability deadline without stating the year; check transition information before relying on an old tool.

Strengths

Separate prepared-file, raw-data and monitor-location routes

Best for

Finding US outdoor-monitor data and prepared files

Sources

AirData: Air Quality Data Collected at Outdoor Monitors Across the US | US EPA (Oct 26, 2026)

SI Score

60/100

#12 in Open Data

Based on published information. No hands-on task test.

Method 2.0 · Published source review Assessed Oct 26, 2026Score ceiling for this evidence: 84/100.

Product usefulness 60

Evidence

The page documents distinct monitored-data access routes and separates them from current-condition and fire-event services, supporting60 for a specific workflow. Selected-file or report controls are not shown.

Limits: AI review of saved source passages. No hands-on test, human approval or automatic-provider checker receipt.

Source links and check dates are in Sources and checks below.

Separate website checks

These checks do not add points to the SI Score. They inspect the website's HTML, not the product in use.

Basic website checksunknown

No check recorded.

HTML accessibility checksunknown

No check recorded.

Homepage HTML responseunknown

No check recorded.

Trackers in homepage HTMLunknown

No check recorded.

Page date hintsunknown

No check recorded.

Policy links do not verify a company's conduct. An HTML response time is not application speed. Tracker and accessibility checks miss behavior after page load. Copyright dates do not prove product upkeep.

How the SI Score works →

Unconfirmed details may be unassessed, absent from the pages checked or temporarily unreadable. A missing price does not mean the service is free.

Sources and checks

Supporting pages for product usefulness, site facts, prices and separate website checks. Each record keeps its own date. Reading a page does not establish how well the product performs in use.

www.epa.gov/outdoor-air-quality-data
- Product usefulness evidenceChecked Oct 26, 2026

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