Air Quality in Saint Helier, Jersey

Cloudy
13.3°C · 75.8% humidity
13.3°
Feels 13.3°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
36 stations

Nearby Monitoring Stations

AQI Forecast
34 1am
27
27
9 4am
14
25
27 7am
29
31
25 10am
25
26
26 1pm
26
27
27 4pm
27
27
34 7pm
34
34
54 10pm
54
54
AD 728×90

Air Quality Index Trend

45h · 36 stn
75.8%
Humidity
38.5 km/h
Wind W
1023.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
9
2.09 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Saint Helier?

Temperature & Precipitation

PM2.5 Trend

45h · 36 stations
PM2.52.09 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (36 stations within 25 km)
2.09
Median
1.43
Average
0.36
Low
4.46
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +4.1

What is the 7-day forecast for Saint Helier?

06-09
15.0° 13.3°
0.75 mm
06-10
15.4° 13.3°
6.94 mm
06-11
18.1° 14.9°
0.13 mm
06-12
16.3° 14.0°
06-13
17.5° 13.1°
06-14
17.5° 13.3°
8.19 mm
06-15
16.8° 13.3°
2.31 mm
Both models agree Avg diff: 1.8°C

Where are air quality stations near Saint Helier?

16
Beresford Street (Calibration) New No 1
0.3 km PM2.5: 3.8 µg/m³
2
Parade Gardens
0.4 km PM2.5: 0.5 µg/m³
4
Broad St
0.4 km PM2.5: 1.0 µg/m³
17
Wellington Hill
0.5 km PM2.5: 4.0 µg/m³
19
St Saviours Hill Guard house
0.5 km PM2.5: 4.5 µg/m³
2
Helvetia school playground
0.5 km PM2.5: 0.6 µg/m³
17
Gloucester Street
0.6 km PM2.5: 4.1 µg/m³
18
Queens Round Roundabout
0.6 km PM2.5: 4.3 µg/m³
4
Robin Hood junction
0.6 km PM2.5: 0.9 µg/m³
3
Springfield (Roberts Garage)
0.6 km PM2.5: 0.8 µg/m³

What cities are near Saint Helier?

13 Saint Peter Port 13 Octeville 44 Saint-Malo 13 Équeurdreville-Hainneville 13 Cherbourg 13 Tourlaville 18 Saint-Lô 23 Saint-Brieuc 25 Bayeux 22 Lannion
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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 2026-06-09T03:04 UTC.