quality?lat=37.7749&lng=-122.4194

Current U.S.

Current U.S. EPA Air Quality Index (AQI) and pollution levels for a specific location, given latitude/longitude — use to check smog, air pollution, or whether it's safe to be outside. Sourced from the EPA AirNow program (federal/state/local/tribal agencies); covers the US, Canada, and Mexico only. Data is preliminary and unvalidated per EPA data use guidelines — not for regulatory use.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.001 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xbd61dfb0…c8918639

URL

https://x402-seller.onrender.com/air/quality?lat=37.7749&lng=-122.4194

Seen

first 35 days ago · last 17 hr ago

44 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.700 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.300: 0.100 uncertain ? + 0.200 short ? · 0.100 to B

How the composite of 0.700 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
liveness it answered at all	0.60	1.00	0.834		0.500	0	−0.100
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.700	gap to 1.000 = 0.300 · 0.200 short · 0.100 uncertain	0.700	−0.200	−0.100

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.000   latency p95    
+ 0.600 × 0.834   liveness       
+ 0.200 × 1.000   price stability
= 0.700           → UNRATED: 37 of 30 paid calls      weights 2026.09.6 · 37 samples · seed cap_01M1A51PW0TFVTSHZJYMC8FD7M|2026-08-30T18:41:13.735Z|2026.09.6

Verify it yourselfnpx teppi-check https://x402-seller.onrender.com/air/quality?lat=37.7749&lng=-122.4194curl -s https://api.teppi.xyz/v1/trust/cap_01M1A51PW0TFVTSHZJYMC8FD7M