Air Quality in Saint Helier, Jersey

Windy
18.4°C · 65.1% humidity
18.4°
Feels 18.4°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
32 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 3pm
0
0
13 6pm
21
15
11 9pm
8
5
4 12am
3
2
1 3am
1
1
1 6am
0
0
0 9am
0
0
0 12pm
0
0
Station readings 10h ago
AQI 0
PM2.5 0.0 µg/m³ · 10h ago
CAMS model adj -50
34
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
25
25
25
25
25
27
AD 728×90

Air Quality Index Trend

45h · 32 stn
65.1%
Humidity
105.9 km/h
Wind ENE
1027.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
13
3.12 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Saint Helier?

Temperature & Precipitation

PM2.5 Trend

45h · 32 stations
PM2.53.12 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (32 stations within 25 km)
3.12
Median
1.88
Average
0.31
Low
5.62
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +4.0

What is the 7-day forecast for Saint Helier?

09-05
18.9° 16.0°
09-06
18.2° 17.7°
0.44 mm
09-07
18.3° 16.5°
5.94 mm
09-08
20.9° 16.8°
0.38 mm
09-09
20.2° 16.7°
2.81 mm
09-10
20.0° 17.3°
09-11
18.3° 16.0°
1.44 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Saint Helier?

22
Beresford Street (Calibration) New No 1
0.3 km PM2.5: 5.2 µg/m³
6
Broad St
0.4 km PM2.5: 1.4 µg/m³
20
helvetia school
0.5 km PM2.5: 4.8 µg/m³
3
Bottom of Mont Millais
0.5 km PM2.5: 0.8 µg/m³
21
Gloucester Street
0.6 km PM2.5: 5.1 µg/m³
22
Queens Round Roundabout
0.6 km PM2.5: 5.3 µg/m³
5
Queen's Road Roundabout
0.6 km PM2.5: 1.2 µg/m³
5
Above Underpass
0.7 km PM2.5: 1.1 µg/m³
1
Mont Millais/College Hill Junction
0.8 km PM2.5: 0.3 µg/m³
5
Next to Green St roundabout and tunnel
0.8 km PM2.5: 1.2 µg/m³

What cities are near Saint Helier?

28 Saint Peter Port 31 Octeville 30 Saint-Malo 31 Équeurdreville-Hainneville 31 Cherbourg 31 Tourlaville 33 Saint-Lô 31 Saint-Brieuc 28 Bayeux 23 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 2026-09-05T17:23 UTC.