Unverified Air

Amsterdam-Van Diemenstraat, Olof Broström, 2026. Part of Unverified Air.

Olof Broström

Amsterdam-Van Diemenstraat

Unverified Air, no. 40. Netherlands

Series: Unverified Air, no. 40

Day: 11 November 2026

Place: Amsterdam, Netherlands

NO₂ (red): 22.2 µg/m³, the day’s highest hour, 23:00 UTC

O₃ (blue): 36.6 µg/m³, the day’s highest hour, 19:00 UTC

Wind: from 183°, 8 km/h, at 23:00 UTC

Station code: NL00012

Station type: urban traffic

Network: Amsterdamse Meetnet Luchtkwaliteit

Inlet height: 4 m

Instruments: O₃ thermo49i; NO₂ API200E

Coordinates: 52.38998 N, 4.88781 E

Buildings: 95, 3–19.8 m high

Heights: 83 % measured, from the official building register (Netherlands) via EUBUCCO

Lines: 4,851 black, 961 red, 743 blue

Line length: 74 m in total

Made: 12 November 2026, 09:01:05 UTC, in 22 s, on the gallery’s server in Helsinki, Finland

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

Exhibition
Unverified Air, Olof Broström. Online, 4 October 2026 – 3 October 2027. A new work every day.
Works
The works belong to the artist. Press images may be used with credit.
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