What is the air quality trend in Leatherhead?

Over the past 8 days, Leatherhead had an average AQI of 56 based on station measurements. The worst day was 2026-05-25 with AQI 68.

How is Leatherhead air quality measured?

Air quality in Leatherhead 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 Leatherhead, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 3 stations

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	40	6–55	9.8 µg/m³	17.2	19h	40
2026-05-28	52	33–104	13.6 µg/m³	21.9	24h	40
2026-05-27	61	40–130	17.2 µg/m³	23.7	24h	46
2026-05-26	57	29–94	15.7 µg/m³	20.5	24h	46
2026-05-25	68	42–128	20.1 µg/m³	27.6	24h	54
2026-05-24	62	35–132	17.4 µg/m³	20.8	24h	42
2026-05-23	53	36–73	13.9 µg/m³	15.5	24h	44
2026-05-22	58	45–78	15.8 µg/m³	12.3	5h	47

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