Convert a PM2.5, PM10, ozone or NO2 concentration to its US EPA AQI number and c...
https://environment-screen.x402tookit.com/aqi-categoryOverview
Convert a PM2.5, PM10, ozone or NO2 concentration to its US EPA AQI number and category (2024 PM2.5 table).
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Environment Screen
Source
bazaar
Indexed
2026-11-01 23:11:55
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"pollutant": "pm25",
"value": 40
},
"type": "http"
}
Output Schema
{
"example": {
"aqi": 112,
"asOf": "2026-10-21T00:33:14.874Z",
"averagingAssumed": "24-hour average",
"categories": [
{
"name": "Good",
"upTo": 50
},
{
"name": "Moderate",
"upTo": 100
}
],
"category": "Unhealthy for Sensitive Groups",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"inputUnit": "ugm3",
"inputValue": 40,
"notChecked": [
"the averaging time of your value: the AQI assumes 24 h for PM, 8 h for O3, 1 h for NO2",
"CO and SO2 sub-indices",
"…2 more"
],
"pm25Revision": "2024",
"pollutant": "pm25",
"reasons": [],
"source": "US EPA AQI Technical Assistance Document breakpoints (computed locally)",
"summary": "PM25 40 ugm3 maps to US AQI 112 (Unhealthy for Sensitive Groups).",
"tableValue": 40,
"truncatedValueUsed": 40,
"verdict": "UNHEALTHY_FOR_SENSITIVE_GROUPS"
},
"type": "json"
}