Overview
Current air quality index (AQI) by US ZIP code -- PM2.5, ozone readings, category (Good/Moderate/Unhealthy), dominant pollutant, and outdoor-activity decision guidance. e.g. GET /api/air-quality/20002
Protocol
x402
Price
$0.0080
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
x402
Indexed
2026-03-25 06:49:33
Health
Status
healthy
Latency (p50)
181ms
Uptime (30d)
100.0%
Reliability Score
92/100
Last Checked
2026-03-25 14:04:36
Last Healthy
2026-03-25 14:04:36
Consecutive Failures
0
Output Schema
{
"data": {
"decision": {
"maskRecommended": false,
"outdoorGuidance": "Proceed with normal outdoor plans.",
"riskLevel": "low",
"summary": "Air quality is Good (AQI 39). Outdoor activity is generally safe for most people."
},
"dominantPollutant": "PM2.5",
"overallAqi": 39,
"overallCategory": "Good",
"readings": [
{
"aqi": 18,
"category": "Good",
"parameter": "O3"
},
{
"aqi": 39,
"category": "Good",
"parameter": "PM2.5"
}
],
"zip": "20002"
},
"source": "EPA AirNow API",
"success": true
}