What is the air quality trend in Greenock?

Over the past 21 days, Greenock had an average AQI of 42 based on station measurements. The worst day was 2026-10-20 with AQI 73.

How is Greenock air quality measured?

Air quality in Greenock 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 Greenock, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 17 stations

Temperature GFS model

79pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	54	29–101	15.2 µg/m³	14h	16
2026-10-20	73	38–170	24.0 µg/m³	24h	17
2026-10-19	50	15–79	13.7 µg/m³	24h	13
2026-10-18	54	20–133	14.8 µg/m³	24h	16
2026-10-17	58	18–154	16.9 µg/m³	24h	17
2026-10-16	42	16–71	10.6 µg/m³	24h	15
2026-10-15	42	19–67	10.4 µg/m³	24h	18
2026-10-14	42	26–70	10.7 µg/m³	24h	17
2026-10-13	54	27–92	14.8 µg/m³	24h	20
2026-10-12	51	23–130	13.9 µg/m³	24h	21
2026-10-11	37	21–78	9.4 µg/m³	24h	18
2026-10-10	60	22–123	17.0 µg/m³	24h	21
2026-10-09	54	22–103	15.1 µg/m³	24h	24
2026-10-08	29	20–47	6.9 µg/m³	24h	14
2026-10-07	27	17–39	6.5 µg/m³	24h	13
2026-10-06	28	18–41	6.7 µg/m³	24h	13
2026-10-05	29	20–57	7.1 µg/m³	24h	15
2026-10-04	25	15–35	5.9 µg/m³	24h	14
2026-10-03	24	16–40	5.8 µg/m³	24h	15
2026-10-02	26	20–40	6.3 µg/m³	24h	15
2026-10-01	30	25–37	7.3 µg/m³	7h	15

Back to Greenock Air Quality