Bottom of Mont Millais

Monitoring Station · Saint Helier, JE

8

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

7 1am

8

6

6 4am

6

6

6 7am

6

6

6 10am

6

6

6 1pm

6

—

— 4pm

—

—

— 7pm

—

—

— 10pm

—

—

Station readings

7

8

CAMS model adj -19

25

25

25

25

25

25

25

25

25

25

25

25

25

25

Air Quality Trend (24h)

PM2.52.0 µg/m³ ✓ WHO

Good

Nearby Monitoring Stations

Mont Millais/College Hill Junction

0.3 km PM2.5: 0.7 µg/m³

Georgetown Junction

0.4 km PM2.5: 2.0 µg/m³

Next to Green St roundabout and tunnel

0.4 km PM2.5: 2.2 µg/m³

Longueville Road/Georgetown Junction

0.4 km PM2.5: 2.0 µg/m³

Beresford Street (Calibration) New No 1

0.6 km PM2.5: 6.0 µg/m³

0.8 km PM2.5: 2.8 µg/m³

Green Road/Inner Road Junction

1.0 km PM2.5: 2.5 µg/m³

1.0 km PM2.5: 1.6 µg/m³

Nearby Cities

10 Saint Helier 8 Saint Peter Port 6 Octeville 25 Saint-Malo 5 Équeurdreville-Hainneville 6 Cherbourg 5 Tourlaville 21 Saint-Lô 22 Saint-Brieuc

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T04:21 UTC.