Mont Millais/College Hill Junction Air Quality

Monitoring Station · Saint Helier, Jersey
1
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
1 4pm
1
0
0 7pm
0
0
0 10pm
0
0
0 1am
0
0
0 4am
0
0
— 7am
—
—
— 10am
—
—
— 1pm
—
—
Station readings
1
1
CAMS model adj -36
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.50.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

5
mont millais
0.3 km PM2.5: 1.2 µg/m³
5
Longueville Road/Georgetown Junction
0.6 km PM2.5: 1.2 µg/m³
5
Georgetown Junction
0.6 km PM2.5: 1.1 µg/m³
21
Beresford Street (Calibration) New No 1
0.6 km PM2.5: 5.1 µg/m³
6
Next to Green St roundabout and tunnel
0.7 km PM2.5: 1.5 µg/m³
11
Broad St
0.9 km PM2.5: 2.6 µg/m³
5
Green Road/Inner Road Junction
1.0 km PM2.5: 1.3 µg/m³
22
St Saviours Hill Guard house
1.2 km PM2.5: 5.2 µg/m³

Nearby Cities

14 Saint Helier 28 Saint Peter Port 32 Octeville 34 Saint-Malo 32 Équeurdreville-Hainneville 32 Cherbourg 32 Tourlaville 34 Saint-Lô 36 Saint-Brieuc

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T19:45 UTC.