Unverified Air

Groningen-Nijensteinheerd, Olof Broström, 2026. Part of Unverified Air.

Olof Broström

Groningen-Nijensteinheerd

Unverified Air, no. 33. Netherlands

Series: Unverified Air, no. 33

Day: 4 November 2026

Place: Groningen, Netherlands

NO₂ (red): 8.1 µg/m³, the day’s highest hour, 17:00 UTC

O₃ (blue): 52.1 µg/m³, the day’s highest hour, 14:00 UTC

Wind: from 61°, 12 km/h, at 17:00 UTC

Station code: NL00938

Station type: suburban background

Network: Landelijk Meetnet Luchtkwaliteit

Inlet height: 3 m

Instruments: O₃ thermo49w; NO₂ thermo42w

Coordinates: 53.24694 N, 6.60890 E

Buildings: 81, 2.7–7.9 m high

Heights: 93 % measured, from the official building register (Netherlands) via EUBUCCO

Lines: 2,102 black, 182 red, 458 blue

Line length: 31 m in total

Made: 5 November 2026, 15:11:27 UTC, in 637 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.
Enquiries
Works and prices: info@jaev.gallery
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