PI-PASSI

Series: Unverified Air, no. 20

Day: 22 October 2026

Place: Pisa, Italy

NO₂ (red): 15.0 µg/m³, the day’s highest hour, 07:00 UTC

O₃ (blue): 71.0 µg/m³, the day’s highest hour, 04:00 UTC

Wind: from 117°, 4 km/h, at 07:00 UTC

Station code: IT1110A

Station type: urban background

Network: RETE REGIONALE QUALITA' DELL'ARIA DELLA TOSCANA

Inlet height: 0 m

Instruments: O₃ API400A; NO₂ API200A

Coordinates: 43.73889 N, 10.40167 E

Buildings: 27, 1.7–15.9 m high

Heights: 93 % measured, from the official building register (Italy, Toscana), OpenStreetMap via EUBUCCO

Lines: 848 black, 531 red, 367 blue

Line length: 23 m in total

Made: 23 October 2026, 12:04:37 UTC, in 221 s, on the gallery’s server in Helsinki, Finland

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