Mont Millais/College Hill Junction Air Quality

Monitoring Station · Saint Helier, Jersey
2
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
2 2am
2
0
6 5am
6
6
6 8am
0
0
0 11am
0
0
0 2pm
0
0
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
Station readings
2
2
CAMS model adj -28
27
27
27
34
34
34
34
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.50.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

2
Bottom of Mont Millais
0.3 km PM2.5: 0.6 µg/m³
1
Georgetown Junction
0.5 km PM2.5: 0.3 µg/m³
3
Longueville Road/Georgetown Junction
0.6 km PM2.5: 0.7 µg/m³
14
Beresford Street (Calibration) New No 1
0.6 km PM2.5: 3.4 µg/m³
3
Next to Green St roundabout and tunnel
0.7 km PM2.5: 0.7 µg/m³
5
Broad St
0.9 km PM2.5: 1.1 µg/m³
3
Springfield (Roberts Garage)
1.0 km PM2.5: 0.7 µg/m³
4
Robin Hood junction
1.0 km PM2.5: 0.9 µg/m³

Nearby Cities

8 Saint Helier 15 Saint Peter Port 13 Octeville 26 Saint-Malo 13 Équeurdreville-Hainneville 13 Cherbourg 13 Tourlaville 12 Saint-Lô 23 Saint-Brieuc

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T05:46 UTC.