What is the air quality trend in Ayr?

Over the past 15 days, Ayr had an average AQI of 47 based on station measurements. The worst day was 2026-10-20 with AQI 71.

How is Ayr air quality measured?

Air quality in Ayr 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 Ayr, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 34 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	52	22–94	15.0 µg/m³	16h	15
2026-10-20	71	30–155	22.6 µg/m³	24h	14
2026-10-19	54	22–190	17.6 µg/m³	24h	11
2026-10-18	50	23–89	13.6 µg/m³	24h	13
2026-10-17	56	18–160	17.0 µg/m³	24h	16
2026-10-16	40	19–62	10.0 µg/m³	24h	14
2026-10-15	41	19–70	10.3 µg/m³	24h	15
2026-10-14	41	26–63	10.3 µg/m³	24h	15
2026-10-13	54	26–105	14.9 µg/m³	24h	18
2026-10-12	55	30–135	15.7 µg/m³	24h	18
2026-10-11	36	20–81	9.2 µg/m³	24h	14
2026-10-10	53	24–103	14.0 µg/m³	24h	18
2026-10-09	52	20–113	13.8 µg/m³	24h	20
2026-10-08	31	18–60	7.6 µg/m³	24h	11
2026-10-07	29	24–32	6.9 µg/m³	6h	11

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