What is the air quality trend in Swanley?

Over the past 15 days, Swanley had an average AQI of 49 based on station measurements. The worst day was 2026-05-26 with AQI 66.

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

335h

PM2.5 Station

335h · 10 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	41	20–80	10.8 µg/m³	9.7	11h	22
2026-06-08	48	26–95	12.8 µg/m³	8.6	24h	27
2026-06-07	58	36–91	16.2 µg/m³	15.0	24h	26
2026-06-06	53	24–98	14.6 µg/m³	8.7	24h	26
2026-06-05	59	23–110	16.8 µg/m³	12.2	24h	26
2026-06-04	61	29–170	19.1 µg/m³	9.1	24h	26
2026-06-03	58	31–95	16.3 µg/m³	10.4	24h	27
2026-06-02	44	15–85	11.3 µg/m³	8.3	24h	33
2026-06-01	37	19–66	9.2 µg/m³	10.2	24h	30
2026-05-31	27	18–43	6.4 µg/m³	9.2	24h	27
2026-05-30	40	24–71	9.9 µg/m³	17.3	24h	30
2026-05-29	44	23–69	11.1 µg/m³	21.9	24h	30
2026-05-28	49	31–81	12.8 µg/m³	29.8	24h	28
2026-05-27	64	43–92	18.6 µg/m³	31.2	24h	33
2026-05-26	66	41–153	19.5 µg/m³	32.7	12h	33

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