What is the air quality trend in Sunbury-on-Thames?

Over the past 15 days, Sunbury-on-Thames had an average AQI of 55 based on station measurements. The worst day was 2026-05-25 with AQI 72.

How is Sunbury-on-Thames air quality measured?

Air quality in Sunbury-on-Thames 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 Sunbury-on-Thames, United Kingdom

Name: Sunbury-on-Thames Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Sunbury-on-Thames, United Kingdom.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

337h

PM2.5 Station

337h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	42	11–62	10.3 µg/m³	14.9	24h	34
2026-05-28	56	37–161	15.7 µg/m³	21.2	24h	35
2026-05-27	61	47–81	17.1 µg/m³	23.4	24h	39
2026-05-26	66	38–113	19.4 µg/m³	20.8	24h	43
2026-05-25	72	51–118	22.1 µg/m³	25.1	24h	46
2026-05-24	60	27–93	16.9 µg/m³	18.1	24h	38
2026-05-23	57	39–112	15.3 µg/m³	14.5	24h	40
2026-05-22	55	35–79	14.8 µg/m³	10.9	24h	42
2026-05-21	61	27–127	18.0 µg/m³	4.7	24h	37
2026-05-20	54	28–113	14.7 µg/m³	6.4	24h	38
2026-05-19	67	28–104	20.1 µg/m³	8.9	24h	45
2026-05-18	58	29–106	16.4 µg/m³	6.3	24h	42
2026-05-17	62	27–91	17.7 µg/m³	6.9	24h	49
2026-05-16	58	20–99	16.4 µg/m³	6.4	24h	49
2026-05-15	8	8–8	2.0 µg/m³	2.0	1h	1

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