Is Marco Três's data reliable and up to date?

Yes. We monitor 22 public Triple Frontier series and an automatic auditor checks all of them every day for freshness and sanity. Right now 21 of 22 series are up to date. Each series has a declared source and is downloadable as CSV (CC BY 4.0).

How does Marco Três keep the numbers correct?

Each series has an expected cadence and a plausible value range. If data goes past its cadence without updating, or out of range, the auditor flags it and the team is alerted.

Border intelligence

Data health

Don't take our word for it. For each of the 22 public series we show the last update, the current value and the expected range. An automatic auditor checks everything daily — if data goes stale or out of range, it shows up here.

21 fresh1 archived

Series	State	Updated	Current value	Source
US dollar in reais	Fresh	minutes agoJul 11, 2026	5.11 R$	AwesomeAPI
Peso argentino em reais	Fresh	minutes agoJul 11, 2026	0.00343 R$	AwesomeAPI
Guarani em reais	Fresh	minutes agoJul 11, 2026	0.00084 R$	AwesomeAPI
Blue dollar in Argentina	Fresh	minutes agoJul 11, 2026	1,510 ARS/USD	DolarAPI
The Brazilian real's purchasing power on the border	Fresh	10h agoJul 11, 2026	5.11 R$	AwesomeAPI
Weather in Foz do Iguaçu	Fresh	minutes agoJul 11, 2026	18.5 °C	Open-Meteo
Movimento previsto na fronteira	Fresh	minutes agoJul 11, 2026	—	Marco Três (fusão)
Iguaçu River flow at the Falls	Fresh	2h agoJul 11, 2026	3,285 m³/s	ANA (estação 65992502)
Itaipu power generation	Fresh	yesterdayJul 10, 2026	200 GWh/dia	ONS
Itaipu reservoir	Fresh	20h agoJul 11, 2026	—	ONS
Flight arrivals in Foz do Iguaçu (SBFI)	Fresh	57 days agoMay 15, 2026	747 /mês	ANAC (VRA)
Voos de Puerto Iguazú (IGR)	Fresh	57 days agoMay 15, 2026	—	ANAC Argentina
Foz do Iguaçu Airport punctuality	Fresh	57 days agoMay 15, 2026	82 %	ANAC (VRA)
Passengers at Foz do Iguaçu airport	Fresh	57 days agoMay 15, 2026	238,424 /mês	ANAC (Dados Estatísticos)
Gasoline price in Foz do Iguaçu	Fresh	6h agoJul 11, 2026	6.42 R$/l	ANP
Fuel price in Puerto Iguazú	Fresh	6h agoJul 11, 2026	—	Sec. Energía (AR)
Inflation and purchasing power on the border	Fresh	6h agoJul 11, 2026	4.64 %	BCB + INDEC
Foz do Iguaçu foreign trade	Fresh	6h agoJul 11, 2026	—	Comex Stat (MDIC)
Aduana de Ciudad del Este	Fresh	26 days agoJun 15, 2026	—	DNA (PY)
Hotelaria de Puerto Iguazú	Archived	archivedAug 15, 2025	—	INDEC
Chegadas de turistas ao Paraná	Fresh	57 days agoMay 15, 2026	—	MTur
Contexto de Foz (população, PIB)	Fresh	7 days agoJul 04, 2026	—	IBGE SIDRA

All series are downloadable as open CSV (CC BY 4.0) and reachable via the public API. The audit runs daily through our accuracy method.