What is the air quality trend in Purley?

Over the past 8 days, Purley had an average AQI of 58 based on station measurements. The worst day was 2026-05-25 with AQI 80.

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

169h

PM2.5 Station

169h · 2 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	20	5–36	5.0 µg/m³	3.5	2h	12
2026-05-29	47	25–61	11.5 µg/m³	16.2	24h	39
2026-05-28	58	29–169	17.1 µg/m³	21.9	24h	39
2026-05-27	63	42–97	17.9 µg/m³	23.7	24h	41
2026-05-26	69	44–153	20.8 µg/m³	20.5	24h	44
2026-05-25	80	55–124	25.9 µg/m³	27.6	24h	48
2026-05-24	63	38–95	18.1 µg/m³	20.8	24h	40
2026-05-23	64	41–118	18.5 µg/m³	15.8	23h	42

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