Next to Green St roundabout and tunnel Air Quality
Monitoring Station
· Saint Helier, Jersey
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
21
4am
21
10
10
7am
10
10
30
10am
30
30
3
1pm
3
3
3
4pm
3
—
—
7pm
—
—
—
10pm
—
—
—
1am
—
—
Station readings
21
21
CAMS model
adj -24
34
34
34
34
34
34
54
54
54
27
27
27
27
27
Air Quality Forecast (24h)
PM2.55.1 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T07:04 UTC.