What is the air quality trend in Greenford?

Over the past 8 days, Greenford had an average AQI of 17 based on station measurements. The worst day was 2026-10-20 with AQI 68.

How is Greenford air quality measured?

Air quality in Greenford 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 Greenford, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

114h

PM2.5 Station

114h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	26	8–54	6.3 µg/m³	7.0	11h	1
2026-10-20	68	18–135	21.5 µg/m³	25.6	24h	1
2026-10-19	27	2–59	6.6 µg/m³	8.5	23h	1
2026-10-18	5	4–8	1.1 µg/m³	1.3	7h	1
2026-10-17	4	2–10	1.0 µg/m³	1.9	10h	1
2026-10-16	4	2–7	1.0 µg/m³	2.2	11h	1
2026-10-15	5	4–11	1.3 µg/m³	1.7	23h	1
2026-10-14	4	1–6	0.9 µg/m³	1.1	5h	1

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