Air Quality in Saint Helier, Jersey
Windy
19.3°C · 62.6% humidity
19.3°
Feels 19.3°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
35 stations
Nearby Monitoring Stations
AQI Forecast
54
3am
34
34
25
6am
28
29
31
9am
32
52
53
12pm
53
26
27
3pm
27
27
27
6pm
27
27
27
9pm
27
27
27
12am
27
27
Air Quality Index Trend
45h · 35 stn62.6%
Humidity
73.4 km/h
Wind SE
1011.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.93 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Saint Helier?
Temperature & Precipitation
PM2.5 Trend
45h · 35 stationsPM2.55.93 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (35 stations within 25 km)
5.93
Median
5.67
Average
1.19
Low
9.3
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.4
What is the 7-day forecast for Saint Helier?
07-22
19.3° 17.3°
0.25 mm
07-23
19.0° 16.7°
0.06 mm
07-24
18.5° 17.5°
19.75 mm
07-25
18.6° 16.2°
07-26
19.3° 17.2°
1.06 mm
07-27
18.8° 17.3°
3.5 mm
07-28
18.5° 17.9°
Both models agree
Avg diff: 1.4°C
Where are air quality stations near Saint Helier?
28
Beresford Street (Calibration) New No 1
42
Parade Gardens
25
Broad St
28
Wellington Hill
30
St Saviours Hill Guard house
24
Helvetia school playground
26
Gloucester Street
30
Queens Round Roundabout
20
Robin Hood junction
22
Springfield (Roberts Garage)
What cities are near Saint Helier?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T05:49 UTC.