What is the air quality trend in Carshalton?

Over the past 8 days, Carshalton had an average AQI of 63 based on station measurements. The worst day was 2026-05-22 with AQI 78.

How is Carshalton air quality measured?

Air quality in Carshalton is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Carshalton, United Kingdom

Name: Carshalton Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Carshalton, United Kingdom.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	45	8–71	11.1 µg/m³	16.0	22h	37
2026-05-28	54	37–109	14.4 µg/m³	21.9	24h	38
2026-05-27	63	42–132	17.8 µg/m³	23.7	24h	42
2026-05-26	69	42–118	20.8 µg/m³	20.5	24h	45
2026-05-25	68	40–120	20.1 µg/m³	27.6	24h	50
2026-05-24	70	33–153	21.4 µg/m³	20.8	24h	40
2026-05-23	59	40–118	16.4 µg/m³	15.5	24h	42
2026-05-22	78	45–110	24.9 µg/m³	8.9	2h	22

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