Mont Millais/College Hill Junction Air Quality

Monitoring Station · Saint Helier, Jersey
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
3 2pm
4
8
8 5pm
8
8
8 8pm
8
8
8 11pm
1
1
0 2am
0
0
— 5am
—
—
— 8am
—
—
— 11am
—
—
Station readings
3
4
CAMS model adj -26
34
34
34
34
34
34
34
34
34
34
27
27
25
25
25

Air Quality Forecast (24h)

PM2.50.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

15
Bottom of Mont Millais
0.3 km PM2.5: 3.7 µg/m³
15
Georgetown Junction
0.5 km PM2.5: 3.7 µg/m³
17
Longueville Road/Georgetown Junction
0.6 km PM2.5: 4.1 µg/m³
35
Beresford Street (Calibration) New No 1
0.6 km PM2.5: 8.4 µg/m³
19
Next to Green St roundabout and tunnel
0.7 km PM2.5: 4.6 µg/m³
22
Broad St
0.9 km PM2.5: 5.2 µg/m³
19
Springfield (Roberts Garage)
1.0 km PM2.5: 4.6 µg/m³
19
Robin Hood junction
1.0 km PM2.5: 4.5 µg/m³

Nearby Cities

24 Saint Helier 39 Saint Peter Port 23 Octeville 33 Saint-Malo 23 Équeurdreville-Hainneville 23 Cherbourg 23 Tourlaville 37 Saint-Lô 29 Saint-Brieuc

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T17:34 UTC.