What is the air quality trend in Purley?

Over the past 8 days, Purley had an average AQI of 64 based on station measurements. The worst day was 2026-05-25 with AQI 87.

How is Purley air quality measured?

Air quality in Purley 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 Purley, United Kingdom

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

Historical PM2.5 and AQI trend from monitoring stations near Purley, 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 · 25 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	40	30–56	10.0 µg/m³	7.5	4h	39
2026-05-29	54	28–92	13.9 µg/m³	16.5	24h	44
2026-05-28	56	37–131	15.1 µg/m³	21.9	24h	41
2026-05-27	67	49–94	19.6 µg/m³	23.7	24h	46
2026-05-26	65	52–99	18.7 µg/m³	20.5	24h	48
2026-05-25	87	54–123	28.9 µg/m³	27.6	24h	54
2026-05-24	71	40–126	21.4 µg/m³	20.8	24h	46
2026-05-23	73	48–131	22.6 µg/m³	15.7	20h	48

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