What is the air quality trend in Ayr?

Over the past 15 days, Ayr had an average AQI of 46 based on station measurements. The worst day was 2026-08-28 with AQI 57.

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

333h

PM2.5 Station

333h · 9 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	42	25–70	10.6 µg/m³	15h	10
2026-09-04	40	19–55	9.7 µg/m³	24h	10
2026-09-03	46	19–126	12.1 µg/m³	24h	11
2026-09-02	36	16–56	8.8 µg/m³	24h	10
2026-09-01	41	25–58	10.1 µg/m³	24h	11
2026-08-31	44	25–74	11.2 µg/m³	24h	12
2026-08-30	43	28–61	10.7 µg/m³	24h	11
2026-08-29	46	20–63	11.7 µg/m³	24h	12
2026-08-28	57	19–199	18.4 µg/m³	24h	11
2026-08-27	55	43–73	14.6 µg/m³	24h	11
2026-08-26	55	39–101	14.6 µg/m³	24h	12
2026-08-25	51	20–123	13.8 µg/m³	24h	10
2026-08-24	47	28–71	11.9 µg/m³	24h	10
2026-08-23	52	29–154	14.2 µg/m³	24h	10
2026-08-22	48	34–59	11.8 µg/m³	6h	12

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