What is the air quality trend in Weymouth?

Over the past 21 days, Weymouth had an average AQI of 54 based on station measurements. The worst day was 2026-05-21 with AQI 84.

How is Weymouth air quality measured?

Air quality in Weymouth 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 Weymouth, United Kingdom

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

365h

PM2.5 Station

365h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	28	13–58	7.0 µg/m³	8h	2
2026-05-29	41	14–113	10.9 µg/m³	17h	1
2026-05-28	68	22–251	28.4 µg/m³	14h	1
2026-05-27	54	14–154	16.1 µg/m³	16h	1
2026-05-26	40	11–90	10.9 µg/m³	17h	1
2026-05-25	66	14–158	21.5 µg/m³	17h	2
2026-05-24	40	10–88	11.0 µg/m³	16h	2
2026-05-23	56	21–375	28.7 µg/m³	17h	2
2026-05-22	47	12–99	13.0 µg/m³	20h	2
2026-05-21	84	16–413	54.2 µg/m³	14h	2
2026-05-20	58	14–167	19.0 µg/m³	17h	2
2026-05-19	67	13–170	23.2 µg/m³	18h	2
2026-05-18	61	15–177	21.8 µg/m³	18h	2
2026-05-17	82	26–161	27.4 µg/m³	23h	2
2026-05-16	63	19–218	26.6 µg/m³	20h	2
2026-05-15	45	4–95	12.1 µg/m³	22h	2
2026-05-14	53	10–153	15.8 µg/m³	22h	2
2026-05-13	46	9–129	13.3 µg/m³	20h	2
2026-05-12	39	12–80	10.3 µg/m³	17h	2
2026-05-11	40	10–112	10.6 µg/m³	22h	2
2026-05-10	59	23–157	18.4 µg/m³	10h	2

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