Broad St

Monitoring Station · Saint Helier, JE

10

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

8 11pm

10

10

10 2am

10

10

10 5am

10

10

10 8am

10

10

10 11am

10

—

— 2pm

—

—

— 5pm

—

—

— 8pm

—

—

Station readings

8

10

CAMS model adj -15

25

25

25

25

25

25

25

25

25

25

25

25

25

25

Air Quality Trend (24h)

PM2.52.5 µg/m³ ✓ WHO

Good

Nearby Monitoring Stations

0.3 km PM2.5: 1.2 µg/m³

Beresford Street (Calibration) New No 1

0.3 km PM2.5: 5.9 µg/m³

Above Underpass

0.3 km PM2.5: 1.4 µg/m³

Gloucester Street

0.4 km PM2.5: 5.4 µg/m³

Next to Green St roundabout and tunnel

0.6 km PM2.5: 1.7 µg/m³

Helvetia school playground

0.6 km PM2.5: 1.6 µg/m³

Victoria Avenue East

0.7 km PM2.5: 2.1 µg/m³

Elizabeth Terminal - St Helier Harbour

0.7 km PM2.5: 1.5 µg/m³

Nearby Cities

8 Saint Helier 8 Saint Peter Port 5 Octeville 27 Saint-Malo 5 Équeurdreville-Hainneville 5 Cherbourg 5 Tourlaville 20 Saint-Lô 25 Saint-Brieuc

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T02:26 UTC.