Air Quality in Slough, United Kingdom

Drizzle
7.7°C · 95.0% humidity
7.7°
Feels 2.9°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
3 12am
3
4
61 3am
45
33
25 6am
19
15
12 9am
10
8
7 12pm
6
5
5 3pm
5
5
4 6pm
4
4
4 9pm
4
4
Station readings 12h ago
AQI 4
PM2.5 1.0 µg/m³ · 12h ago
CAMS model adj -21
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

11h · 1 stn

Slough'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. Current PM2.5 concentration in Slough is 1.1× the WHO 24-hour guideline of 15 µg/m³.

95.0%
Humidity
38.8 km/h
Wind W
1020.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
61
16.96 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Slough?

Temperature & Precipitation

PM2.5 Trend

11h · 1 station
PM2.516.96 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
16.96
Median
7.18
Average
1.0
Low
30.6
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -11.1

What is the 7-day forecast for Slough?

06-09
17.5° 7.7°
0.31 mm
06-10
13.3° 12.2°
7.5 mm
06-11
26.7° 13.9°
2.19 mm
06-12
22.1° 9.6°
06-13
22.3° 10.1°
0.06 mm
06-14
21.9° 10.5°
0.88 mm
06-15
16.4° 9.1°
4.13 mm
Both models agree Avg diff: 4.1°C

Where are air quality stations near Slough?

7
London Hillingdon Harmondsworth Os, United Kingdom
8.4 km PM2.5: 1.7 µg/m³
35
London Harlington, United Kingdom
10.9 km PM2.5: 8.4 µg/m³
113
London Harlington, United Kingdom
10.9 km PM2.5: 40.4 µg/m³
42
Nelson Primary School
17.4 km PM2.5: 10.2 µg/m³
16
High St, Witton
17.7 km PM2.5: 3.9 µg/m³
61
Chase Bridge Primary School
18.4 km PM2.5: 16.8 µg/m³
64
Former Greegs Site, Colne Road, Twickenham
18.8 km PM2.5: 18.2 µg/m³
41
Church Rd
19.5 km PM2.5: 9.8 µg/m³
54
London Teddington Bushy Park, United Kingdom
19.7 km PM2.5: 13.5 µg/m³
16
London Teddington Bushy Park, United Kingdom
19.7 km PM2.5: 3.8 µg/m³

What cities are near Slough?

72 Windsor 63 Maidenhead 45 Gerrards Cross 53 Uxbridge 59 Egham 58 Staines 44 Chalfont Saint Peter 54 Hayes 71 Ascot 51 Ashford
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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 2026-06-09T02:18 UTC.