What is the air quality trend in Swanley?

Over the past 8 days, Swanley had an average AQI of 63 based on station measurements. The worst day was 2026-05-25 with AQI 86.

How is Swanley air quality measured?

Air quality in Swanley 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 Swanley, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 20 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	37	36–38	8.8 µg/m³	15.6	3h	36
2026-05-29	56	31–99	14.9 µg/m³	21.9	24h	44
2026-05-28	57	36–150	15.6 µg/m³	29.8	24h	40
2026-05-27	66	46–103	19.4 µg/m³	31.2	24h	46
2026-05-26	65	44–90	18.7 µg/m³	28.6	24h	47
2026-05-25	86	57–147	28.3 µg/m³	33.0	24h	54
2026-05-24	66	35–113	19.4 µg/m³	26.9	24h	44
2026-05-23	77	49–151	24.0 µg/m³	22.8	20h	49

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