What is the air quality trend in West Ham?

Over the past 8 days, West Ham had an average AQI of 57 based on station measurements. The worst day was 2026-05-25 with AQI 79.

How is West Ham air quality measured?

Air quality in West Ham 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 West Ham, United Kingdom

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

Historical PM2.5 and AQI trend from monitoring stations near West Ham, 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
2026-05-30	34	6–59	8.7 µg/m³	8.3	6h	29
2026-05-29	48	31–78	12.1 µg/m³	19.2	24h	37
2026-05-28	52	28–74	13.3 µg/m³	24.5	24h	37
2026-05-27	64	37–125	18.5 µg/m³	27.5	24h	40
2026-05-26	58	44–100	15.7 µg/m³	23.7	24h	42
2026-05-25	79	56–141	25.3 µg/m³	28.4	24h	47
2026-05-24	62	28–87	17.7 µg/m³	24.0	24h	39
2026-05-23	62	48–92	17.4 µg/m³	19.7	18h	41

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