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Environment Screen Air Quality History
x402
Environment Screen Air Quality History is a paid API for AI agents from environment-screen.x402tookit.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-11-02).
Returns daily mean PM2.5, PM10, ozone, NO2, and US AQI values over a date range plus a count of days exceeding a given AQI threshold.
Price / call$0.03
Success—
StatusUnknown
How this service works
Daily mean PM2.5, PM10, ozone, NO2 and US AQI over a date range, plus the count of days above an AQI threshold.
Output
Returns a structured object containing: daily records with PM2.5 mean, PM10 mean, ozone mean, NO2 mean, US AQI mean and max; summary statistics (mean PM2.5, PM10, ozone, US AQI across the period); the worst day by max AQI; the count of days exceeding the specified AQI threshold; a text summary and verdict; data source URL; and a degraded flag if data quality is reduced.
Example use cases
Real estate environmental due diligence
“I'm looking at buying a home in Phoenix, AZ (33.45, -112.07) — can you get me the daily PM2.5 and AQI history for the past 90 days and flag how many days the AQI was above 100 so I can assess air quality there?”
Post-wildfire air quality assessment
“There were wildfires near Portland, OR (45.52, -122.68) this summer — pull the daily AQI and PM2.5 data from July 1 to September 30, 2024, and count how many days were above an AQI of 150 so I can see how bad the smoke was.”
Annual air quality report for a research site
“I need a full daily breakdown of PM2.5, PM10, ozone, and NO2 for our monitoring site at latitude 40.71, longitude -74.01 from January 1 through March 31, 2023 — include the worst day and average US AQI for the period.”
Technical details
Endpoint
GEThttps://environment-screen.x402tookit.com/air-quality-history?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need historical air quality trends over a multi-day period (up to 92 days) for a specific geographic coordinate, including daily breakdowns of multiple pollutants (PM2.5, PM10, ozone, NO2) and a threshold-based day count. Prefer it over current-conditions endpoints when the user needs retrospective analysis, trend data, or exposure assessment over time rather than a real-time snapshot.
Side effects
- Missing required parameters (lat, lon, start, end) returns a 400 error
- Date range exceeding 92 days returns an error
- Start date before 2013 may return no data or an error
- Invalid coordinate values outside valid lat/lon bounds may fail
- Network or upstream data provider unavailability may return degraded or null fields
- Payment failure (x402) returns a 402 Payment Required response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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