Above Underpass

Monitoring Station · Saint Helier, JE

8

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

5 11pm

6

8

6 2am

6

6

6 5am

6

6

6 8am

6

6

6 11am

6

6

— 2pm

—

—

— 5pm

—

—

— 8pm

—

—

Station readings

5

6

8

CAMS model adj -19

25

25

25

25

25

25

25

25

25

25

25

25

25

25

25

Air Quality Trend (24h)

PM2.51.8 µg/m³ ✓ WHO

Good

Nearby Monitoring Stations

0.3 km PM2.5: 2.7 µg/m³

Gloucester Street

0.4 km PM2.5: 5.6 µg/m³

0.4 km PM2.5: 1.5 µg/m³

Elizabeth Terminal - St Helier Harbour

0.4 km PM2.5: 1.3 µg/m³

Victoria Avenue East

0.6 km PM2.5: 2.1 µg/m³

Beresford Street (Calibration) New No 1

0.6 km PM2.5: 5.8 µg/m³

Next to Green St roundabout and tunnel

0.7 km PM2.5: 2.0 µg/m³

Helvetia school playground

0.8 km PM2.5: 1.8 µg/m³

Nearby Cities

9 Saint Helier 8 Saint Peter Port 5 Octeville 27 Saint-Malo 4 Équeurdreville-Hainneville 5 Cherbourg 4 Tourlaville 18 Saint-Lô 24 Saint-Brieuc

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T02:28 UTC.