Air Quality in Saint Helier, Jersey

Windy
15.7°C · 74.2% humidity
15.7°
Feels 15.7°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
37 stations

Nearby Monitoring Stations

AQI Forecast
27 1pm
27
34
23 4pm
26
28
30 7pm
31
32
33 10pm
33
33
26 1am
27
25
25 4am
25
27
27 7am
27
27
27 10am
34
34
AD 728×90

Air Quality Index Trend

44h · 37 stn

Current PM2.5 concentration in Saint Helier is 1.1× the WHO annual guideline of 5 µg/m³.

74.2%
Humidity
145.8 km/h
Wind NE
1018.7 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
23
5.42 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Saint Helier?

Temperature & Precipitation

PM2.5 Trend

44h · 37 stations
PM2.55.42 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (37 stations within 25 km)
5.42
Median
4.25
Average
0.73
Low
9.14
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.9

What is the 7-day forecast for Saint Helier?

05-29
15.7° 13.7°
1.25 mm
05-30
14.1° 12.7°
0.56 mm
05-31
17.6° 13.4°
06-01
17.2° 12.8°
0.25 mm
06-02
15.1° 13.6°
4.13 mm
06-03
15.1° 13.6°
0.06 mm
06-04
15.8° 14.6°
3.75 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Saint Helier?

38
Beresford Street (Calibration) New No 1
0.3 km PM2.5: 9.1 µg/m³
16
Parade Gardens
0.4 km PM2.5: 3.8 µg/m³
22
Broad St
0.4 km PM2.5: 5.3 µg/m³
30
Wellington Hill
0.5 km PM2.5: 7.3 µg/m³
37
St Saviours Hill Guard house
0.5 km PM2.5: 8.8 µg/m³
16
Helvetia school playground
0.5 km PM2.5: 3.8 µg/m³
30
Gloucester Street
0.6 km PM2.5: 7.2 µg/m³
32
Queens Round Roundabout
0.6 km PM2.5: 7.7 µg/m³
16
Robin Hood junction
0.6 km PM2.5: 3.9 µg/m³
18
Springfield (Roberts Garage)
0.6 km PM2.5: 4.2 µg/m³

What cities are near Saint Helier?

28 Saint Peter Port 30 Octeville 39 Saint-Malo 30 Équeurdreville-Hainneville 30 Cherbourg 30 Tourlaville 32 Saint-Lô 23 Saint-Brieuc 32 Bayeux 20 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 2026-05-29T15:14 UTC.