The answer
EPA Air Quality & Toxics
Top verified match: it matches your intent, it is the official vendor server.
fresh · published 147d ago · verified 2026-08-08tested · static-verifiedsigned passport ✓score 47/100
Runners-up
- Hermes — Air Quality Intelligence47/100 · weaker match
- Air Quality MCP35/100 · weaker match
- Weather MCP Server57/100 · higher verification score, weaker intent match