What is the air quality trend in Londonderry County Borough?

Over the past 21 days, Londonderry County Borough had an average AQI of 25 based on station measurements. The worst day was 2026-10-18 with AQI 53.

How is Londonderry County Borough air quality measured?

Air quality in Londonderry County Borough 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 Londonderry County Borough, United Kingdom

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

Historical PM2.5 and AQI trend from monitoring stations near Londonderry County Borough, United Kingdom.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

204h

PM2.5 Station

204h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	27	10–31	6.5 µg/m³	8h	1
2026-10-20	30	28–33	7.2 µg/m³	13h	1
2026-10-19	51	37–55	12.5 µg/m³	13h	1
2026-10-18	53	52–54	13.1 µg/m³	8h	1
2026-10-17	36	33–39	8.6 µg/m³	7h	1
2026-10-16	25	21–30	6.0 µg/m³	12h	1
2026-10-15	21	19–22	5.0 µg/m³	7h	1
2026-10-14	27	24–29	6.5 µg/m³	11h	1
2026-10-13	13	8–23	3.2 µg/m³	11h	1
2026-10-12	14	8–22	3.4 µg/m³	11h	1
2026-10-11	28	24–33	6.8 µg/m³	8h	1
2026-10-10	31	27–35	7.5 µg/m³	9h	1
2026-10-09	17	14–22	4.0 µg/m³	13h	1
2026-10-08	20	18–21	4.7 µg/m³	8h	1
2026-10-07	22	20–25	5.2 µg/m³	9h	1
2026-10-06	29	25–34	6.9 µg/m³	12h	1
2026-10-05	12	7–23	2.8 µg/m³	12h	1
2026-10-04	20	10–27	4.9 µg/m³	9h	1
2026-10-03	21	18–27	5.0 µg/m³	9h	1
2026-10-02	21	18–23	5.0 µg/m³	10h	1
2026-10-01	23	22–24	5.6 µg/m³	4h	1

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