43R222 - SERAING

Series: Unverified Air, no. 27

Day: 29 October 2026

Place: Liège, Belgium

NO₂ (red): 41.0 µg/m³, the day’s highest hour, 18:00 UTC

O₃ (blue): 51.5 µg/m³, the day’s highest hour, 14:00 UTC

Wind: from 40°, 7 km/h, at 18:00 UTC

Station code: BETR222

Station type: suburban background

Network: Wallonia

Inlet height: 3 m

Coordinates: 50.61341 N, 5.57022 E

Buildings: 56, 0.1–25.1 m high

Heights: 96 % measured, from the official building register (Belgium, Wallonie), Microsoft building footprints via EUBUCCO

Lines: 2,091 black, 1,122 red, 500 blue

Line length: 58 m in total

Made: 30 October 2026, 09:04:55 UTC, in 249 s, on the gallery’s server in Helsinki, Finland

Size: A3, 297 × 420 mm (plotted); 2376 × 3360 px (this image)