What is the air quality trend in Ewell?

Over the past 8 days, Ewell had an average AQI of 54 based on station measurements. The worst day was 2026-05-25 with AQI 67.

How is Ewell air quality measured?

Air quality in Ewell 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 Ewell, United Kingdom

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

Historical PM2.5 and AQI trend from monitoring stations near Ewell, 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 · 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	39	11–60	9.5 µg/m³	17.4	18h	35
2026-05-28	48	30–110	12.3 µg/m³	21.9	24h	37
2026-05-27	61	38–129	16.9 µg/m³	23.7	24h	41
2026-05-26	57	26–100	15.8 µg/m³	20.5	24h	41
2026-05-25	67	44–105	20.1 µg/m³	27.6	24h	48
2026-05-24	63	32–156	18.3 µg/m³	20.8	24h	38
2026-05-23	51	33–75	13.1 µg/m³	15.5	24h	39
2026-05-22	50	36–76	13.1 µg/m³	12.5	6h	43

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