Air Quality in Chelsea, United Kingdom

Clear
18.4°C · 37.3% humidity
18.4°
Feels 18.4°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
26 stations

Nearby Monitoring Stations

AQI Forecast
34 1pm
27
27
25 4pm
28
29
31 7pm
52
64
82 10pm
82
82
83 1am
66
66
66 4am
66
54
54 7am
54
54
54 10am
34
34
AD 728×90

Air Quality Index Trend

45h · 16 stn

Chelsea'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.

37.3%
Humidity
12.6 km/h
Wind NNW
1028.9 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
5.95 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Chelsea?

Temperature & Precipitation

PM2.5 Trend

45h · 16 stations
PM2.55.95 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (26 stations within 25 km)
5.95
Median
5.34
Average
0.5
Low
10.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +1.1

What is the 7-day forecast for Chelsea?

09-05
18.4° 14.1°
0.06 mm
09-06
19.2° 13.2°
0.5 mm
09-07
15.9° 14.4°
1.37 mm
09-08
21.9° 10.8°
1.44 mm
09-09
18.2° 12.2°
0.13 mm
09-10
23.1° 15.8°
0.06 mm
09-11
16.7° 14.6°
0.38 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Chelsea?

57
Wandsworth - Lavender Hill (Clapham Jct), United Kingdom
2.7 km PM2.5: 15.0 µg/m³
17
Westminster - Waterloo Pl (Crown Estate), new
3.4 km PM2.5: 4.1 µg/m³ PM10: 10.6 µg/m³
31
Regent Street (The Crown Estate), new
3.4 km PM2.5: 7.5 µg/m³ PM10: 15.7 µg/m³
25
London
3.6 km PM2.5: 6.0 µg/m³
42
London
3.6 km PM2.5: 10.1 µg/m³
34
London
3.6 km PM2.5: 8.2 µg/m³
4
Marylebone Road - BAM, new
4.0 km PM2.5: 1.0 µg/m³
27
London Marylebone Road, United Kingdom
4.0 km PM2.5: 6.5 µg/m³
24
London Marylebone Road, United Kingdom
4.0 km PM2.5: 5.8 µg/m³
33
Wandsworth - Putney, United Kingdom
4.1 km PM2.5: 7.9 µg/m³

What cities are near Chelsea?

25 Battersea 18 Fulham 28 Pimlico 29 City of Westminster 27 Bayswater 28 Notting Hill 27 Soho 34 London 24 Shepherds Bush 15 Putney
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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 2026-09-05T15:53 UTC.