Above Underpass Air Quality

Monitoring Station · Saint Helier, Jersey
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
22 3am
25
24
12 6am
12
12
12 9am
32
32
32 12pm
5
5
5 3pm
5
5
— 6pm
—
—
— 9pm
—
—
— 12am
—
—
Station readings
22
25
24
CAMS model adj -22
34
34
34
34
34
34
34
54
54
54
27
27
27
27
27

Air Quality Forecast (24h)

PM2.55.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

25
Broad St
0.3 km PM2.5: 5.9 µg/m³
27
Gloucester Street
0.4 km PM2.5: 6.5 µg/m³
42
Parade Gardens
0.4 km PM2.5: 10.1 µg/m³
17
Elizabeth Terminal - St Helier Harbour
0.4 km PM2.5: 4.1 µg/m³
29
Victoria Avenue East
0.6 km PM2.5: 6.9 µg/m³
28
Beresford Street (Calibration) New No 1
0.6 km PM2.5: 6.8 µg/m³
21
Next to Green St roundabout and tunnel
0.7 km PM2.5: 5.1 µg/m³
22
Helvetia school playground
0.8 km PM2.5: 5.3 µg/m³

Nearby Cities

25 Saint Helier 36 Saint Peter Port 25 Octeville 26 Saint-Malo 25 Équeurdreville-Hainneville 25 Cherbourg 25 Tourlaville 22 Saint-Lô 48 Saint-Brieuc

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T06:57 UTC.