Beresford Street (Calibration) New No 1

Monitoring Station · Saint Helier, JE

22

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

23 9pm

22

22

24 12am

24

24

24 3am

24

24

24 6am

24

24

24 9am

24

24

— 12pm

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— 3pm

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— 6pm

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Station readings

23

22

22

CAMS model adj -1

25

25

25

25

25

25

25

25

25

25

25

25

25

25

25

Air Quality Trend (24h)

PM2.55.3 µg/m³ ✓ WHO

Good

Nearby Monitoring Stations

0.3 km PM2.5: 2.0 µg/m³

0.5 km PM2.5: 1.1 µg/m³

Next to Green St roundabout and tunnel

0.5 km PM2.5: 1.6 µg/m³

Bottom of Mont Millais

0.6 km PM2.5: 1.3 µg/m³

Above Underpass

0.6 km PM2.5: 1.3 µg/m³

Mont Millais/College Hill Junction

0.6 km PM2.5: 0.5 µg/m³

Gloucester Street

0.6 km PM2.5: 5.1 µg/m³

Helvetia school playground

0.7 km PM2.5: 1.3 µg/m³

Nearby Cities

8 Saint Helier 10 Saint Peter Port 7 Octeville 25 Saint-Malo 6 Équeurdreville-Hainneville 7 Cherbourg 6 Tourlaville 27 Saint-Lô 22 Saint-Brieuc

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T00:34 UTC.