What is the air quality trend in Ballymena?

Over the past 20 days, Ballymena had an average AQI of 58 based on station measurements. The worst day was 2026-05-21 with AQI 75.

How is Ballymena air quality measured?

Air quality in Ballymena 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 Ballymena, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

457h

PM2.5 Station

457h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	58	17–308	24.7 µg/m³	22h	3
2026-05-28	52	23–90	14.4 µg/m³	22h	3
2026-05-27	59	16–130	17.2 µg/m³	23h	3
2026-05-26	57	13–152	17.3 µg/m³	24h	2
2026-05-25	48	19–134	13.4 µg/m³	23h	4
2026-05-24	70	9–403	32.7 µg/m³	22h	2
2026-05-23	67	9–307	26.6 µg/m³	23h	3
2026-05-22	54	24–121	15.4 µg/m³	23h	3
2026-05-21	75	19–169	27.0 µg/m³	22h	2
2026-05-20	69	16–187	24.3 µg/m³	21h	3
2026-05-19	64	17–162	20.8 µg/m³	24h	3
2026-05-18	62	8–211	22.7 µg/m³	23h	3
2026-05-17	71	25–151	21.6 µg/m³	22h	4
2026-05-16	60	9–224	25.2 µg/m³	21h	4
2026-05-15	44	18–104	11.3 µg/m³	23h	4
2026-05-14	51	21–225	18.1 µg/m³	24h	4
2026-05-13	58	28–107	16.7 µg/m³	24h	4
2026-05-12	54	13–112	15.2 µg/m³	24h	4
2026-05-11	49	10–84	13.4 µg/m³	24h	5
2026-05-10	56	25–160	16.3 µg/m³	23h	4

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