What is the air quality in Portslade today?

The current Air Quality Index (AQI) in Portslade is 10 (Good). PM2.5 concentration is 2.4 µg/m³.

What is the temperature in Portslade right now?

The current temperature in Portslade is 16.5°C (feels like 16.5°C). Humidity is 90.3% and wind speed is 135.6 km/h.

Is it safe to go outside in Portslade?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Portslade, United Kingdom

Drizzle

16.5°C · 90.3% humidity

16.5°

Feels 16.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Station readings 48h ago

AQI 18

PM2.5 4.2 µg/m³ · 48h ago

Air Quality Index Trend

26h · 1 stn

View full history →

Portslade's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

90.3%

Humidity

135.6 km/h

Wind WSW

1018.9 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.4 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Portslade?

Temperature & Precipitation

PM2.5 Trend

26h · 1 station

PM2.52.4 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

2.4

Median

2.4

Average

2.4

Low

2.4

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +3.4

What is the 7-day forecast for Portslade?

10-21

16.5° 10.0°

0.81 mm

10-22

17.0° 11.5°

0.62 mm

10-23

16.0° 10.7°

18.62 mm

10-24

15.1° 12.5°

0.13 mm

10-25

16.4° 12.8°

8.06 mm

10-26

14.9° 9.9°

2.38 mm

10-27

15.9° 7.3°

3.88 mm

Both models agree Avg diff: 2.7°C

Where are air quality stations near Portslade?

Hassocks

11.3 km 13.6°C 69.8% RH PM2.5: 4.0 µg/m³ PM10: 4.7 µg/m³

Storrington Roadside, United Kingdom

18.3 km PM2.5: 2.4 µg/m³

What cities are near Portslade?

10 Hove 10 Shoreham-by-Sea 10 Brighton 10 Lancing 10 Worthing 30 Rottingdean 10 Burgess Hill 30 Peacehaven 30 Lewes 32 Haywards Heath

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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 2026-10-21T14:05 UTC.