City by Month

Enables read-only lookup and comparison of sourced, dated migration data — 39 countries and 27,000+ cities, visa and residence routes, passport entry rules, cost of living, salaries, crime, air quality and climate. Every fact returned includes its value, unit, geographic grain, observation date, source and grade, with unknown values left explicit rather than estimated.

Provides current weather data and city comparisons for any location with support for metric/imperial units and optional forecasts.

Provides real-time and historical weather data for any city worldwide, including forecasts, air quality, and marine conditions, using the free Open-Meteo API.

Enables AI assistants to query historical weather and climate normals for any land location using 1 km grids from 1961 to today, including daily, monthly, and annual values, trends, and CSV or GeoTIFF downloads.