Next to Green St roundabout and tunnel

Monitoring Station · Saint Helier, JE
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
8 1am
9
7
7 4am
7
7
7 7am
7
7
7 10am
7
7
7 1pm
7
—
— 4pm
—
—
— 7pm
—
—
— 10pm
—
—
Station readings
8
9
CAMS model adj -18
25
25
25
25
25
25
25
25
25
25
25
25
25
25

Air Quality Trend (24h)

PM2.52.2 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

8
Bottom of Mont Millais
0.4 km PM2.5: 2.0 µg/m³
25
Beresford Street (Calibration) New No 1
0.5 km PM2.5: 6.0 µg/m³
12
Broad St
0.6 km PM2.5: 2.8 µg/m³
8
Above Underpass
0.7 km PM2.5: 2.0 µg/m³
3
Mont Millais/College Hill Junction
0.7 km PM2.5: 0.7 µg/m³
10
La Collette/Mount Bingham
0.7 km PM2.5: 2.5 µg/m³
8
Georgetown Junction
0.7 km PM2.5: 2.0 µg/m³
8
Longueville Road/Georgetown Junction
0.7 km PM2.5: 2.0 µg/m³

Nearby Cities

10 Saint Helier 8 Saint Peter Port 25 Saint-Malo 6 Octeville 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.