What is the air quality trend in Plymouth?

Over the past 15 days, Plymouth had an average AQI of 41 based on station measurements. The worst day was 2026-07-18 with AQI 71.

How is Plymouth air quality measured?

Air quality in Plymouth 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 Plymouth, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

327h

PM2.5 Station

327h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	32	7–54	7.7 µg/m³	3.9	7h	2
2026-07-21	37	1–92	10.0 µg/m³	2.8	24h	3
2026-07-20	27	1–45	6.4 µg/m³	6.6	18h	2
2026-07-19	35	12–66	8.7 µg/m³	9.5	24h	2
2026-07-18	71	52–131	21.4 µg/m³	23.9	24h	2
2026-07-17	62	24–157	18.6 µg/m³	18.6	24h	2
2026-07-16	50	29–66	12.9 µg/m³	13.7	24h	2
2026-07-15	43	20–154	11.6 µg/m³	7.0	24h	2
2026-07-14	28	8–48	6.7 µg/m³	4.2	24h	2
2026-07-13	40	4–117	11.2 µg/m³	3.3	24h	2
2026-07-12	34	2–110	9.6 µg/m³	3.5	22h	2
2026-07-11	52	23–252	18.7 µg/m³	11.9	24h	2
2026-07-10	43	19–83	10.7 µg/m³	8.6	24h	2
2026-07-09	38	9–65	9.4 µg/m³	9.4	24h	2
2026-07-08	33	1–49	7.9 µg/m³	8.9	16h	2

Back to Plymouth Air Quality