# Cologne

Snapshot: approved-static-6fbe9b847dfeb5d6

- Country: Germany
- Canonical: /cities/de/cologne/
- MCP: immigrationdb://city/de/cologne

## Useful facts

- **Population Total** — 1,100,076 people; geographic grain: city; observed: 2025-12-31; verified: 2026-05-31; source: https://www.stadt-koeln.de/politik-und-verwaltung/statistik/; source type: Independent source
- **Air Quality No2 Current Ug M3** — 12.3068 µg/m³; geographic grain: city; observed: 2026-07-15; verified: 2026-07-15; source: https://www.umweltbundesamt.de/api/air_data/v2/measures/json; source type: Official source
- **Rent Avg Nettokalt Eur Per M2 Month** — 15.4 EUR/m²/month; geographic grain: city; observed: 2026-05-01; verified: 2026-06-04; source: https://www.wohnungsboerse.net/mietspiegel-Koeln/5333; source type: Commercial source
- **Air Quality No2 Annual Ug M3** — 21.8897 µg/m³; geographic grain: city; observed: not stated; verified: 2026-07-15; source: https://www.umweltbundesamt.de/api/air_data/v2/measures/json; source type: Official source
- **Air Quality Pm10 Annual Ug M3** — 13.2505 µg/m³; geographic grain: city; observed: not stated; verified: 2026-07-15; source: https://www.umweltbundesamt.de/api/air_data/v2/measures/json; source type: Official source
- **Air Quality Pm25 Annual Ug M3** — 8.5761 µg/m³; geographic grain: city; observed: not stated; verified: 2026-07-15; source: https://www.umweltbundesamt.de/api/air_data/v2/measures/json; source type: Official source
- **Car Density Per 1000** — 456 cars/1000 residents; geographic grain: city; observed: 2026-01-01; verified: 2026-06-05; source: https://www.kba.de/DE/Statistik/Produktkatalog/produkte/Fahrzeuge/fz3_b_uebersicht.html; source type: Official source
- **City Area Km2** — 405.02 km2; geographic grain: city; observed: 2025-12-31; verified: 2026-05-31; source: https://www.destatis.de/DE/Themen/Laender-Regionen/Regionales/Gemeindeverzeichnis/_inhalt.html; source type: Independent source
- **Nearest Airport Destinations Count** — 92 count; geographic grain: city; observed: 2026-06-13; verified: 2026-06-13; source: https://raw.githubusercontent.com/jpatokal/openflights/master/data/routes.dat; source type: Independent source
- **Nearest Airport Iata** — CGN code; geographic grain: city; observed: 2026-06-13; verified: 2026-06-13; source: https://davidmegginson.github.io/ourairports-data/airports.csv; source type: Independent source
- **Nearest Airport Km** — 15.1 km; geographic grain: city; observed: 2026-06-13; verified: 2026-06-13; source: https://davidmegginson.github.io/ourairports-data/airports.csv; source type: Independent source

Every published fact retains its source URL, date, unit and geographic scope.