What is the air quality trend in Ballymena?

Over the past 14 days, Ballymena had an average AQI of 69 based on station measurements. The worst day was 2026-05-23 with AQI 86.

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
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

325h

PM2.5 Station

325h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	52	17–144	15.0 µg/m³	22h	3
2026-05-28	62	23–117	18.3 µg/m³	24h	4
2026-05-27	81	4–170	29.8 µg/m³	21h	3
2026-05-26	66	11–139	20.9 µg/m³	24h	3
2026-05-25	57	21–113	16.5 µg/m³	24h	5
2026-05-24	85	17–336	35.3 µg/m³	23h	4
2026-05-23	86	28–234	33.5 µg/m³	23h	4
2026-05-22	60	18–137	18.0 µg/m³	24h	4
2026-05-21	70	13–160	22.7 µg/m³	24h	3
2026-05-20	78	18–239	30.0 µg/m³	24h	3
2026-05-19	82	23–169	27.9 µg/m³	24h	4
2026-05-18	69	23–152	21.7 µg/m³	24h	4
2026-05-17	61	13–104	18.5 µg/m³	22h	4
2026-05-16	63	9–258	24.1 µg/m³	22h	4

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