24 hour summary

The maximum pollutant concentrations measured during the last 24 hours across Gibraltar are shown below. Summary graphs showing the last seven days are available for each pollutant in the left hand column of the table.

Switch to the current levels summary

Key: N/M: Not Measured

Key: N/D: No Data

Monitoring site 8 Hour mean
Ozone
(µg/m3)
Hourly mean
Nitrogen dioxide
(µg/m3)
Max 15 min mean
Sulphur dioxide
(µg/m3)
Running 24 Hour mean
PM2.5
Particles
(µg/m3)
Running 24 Hour mean
PM10
Particles
(µg/m3)
8 Hour mean
CO
(mg/m3)
Bleak House

Updated: 06/07/2026 20:00
114
Moderate (4)
14
Low (1)
N/M 6
Low (1)
12
Low (1)
N/M
Devils Tower Road

Updated: 06/07/2026 19:00
N/M 66
Low (1)
N/M N/M N/M N/M
Devils Tower Road (mobile)

Updated: 06/07/2026 20:00
N/M 128
Low (2)
N/M 3
Low (1)
4
Low (1)
0.2
Low (1)
Governor's Lane (mobile)

Updated: 06/07/2026 20:00
N/M 129
Low (2)
N/M 3
Low (1)
4
Low (1)
0.4
Low (1)
Harbour Views Road (mobile)

Updated:
N/M N/A N/M N/A N/A N/A
North Mole Road (mobile)

Updated: 06/07/2026 20:00
N/M 104
Low (2)
N/M 5
Low (1)
5
Low (1)
0.4
Low (1)
Rosia Road

Updated: 06/07/2026 20:00
N/M 41
Low (1)
1
Low (1)
6
Low (1)
13
Low (1)
0.2
Low (1)
Rosia Road Clocktower (mobile)

Updated: 06/07/2026 20:00
N/M 115
Low (2)
N/M Offline Offline 0.1
Low (1)