What is the air quality trend in Renfrew?

Over the past 15 days, Renfrew had an average AQI of 48 based on station measurements. The worst day was 2026-10-20 with AQI 75.

How is Renfrew air quality measured?

Air quality in Renfrew 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 Renfrew, United Kingdom

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

Historical PM2.5 and AQI trend from monitoring stations near Renfrew, 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 · 24 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	53	25–86	14.7 µg/m³	14h	22
2026-10-20	75	38–161	23.8 µg/m³	24h	23
2026-10-19	56	18–158	16.1 µg/m³	24h	17
2026-10-18	52	31–106	13.7 µg/m³	24h	22
2026-10-17	58	31–153	16.9 µg/m³	24h	24
2026-10-16	41	19–75	10.2 µg/m³	24h	21
2026-10-15	41	23–63	10.0 µg/m³	24h	24
2026-10-14	41	27–65	10.2 µg/m³	24h	22
2026-10-13	53	27–80	14.3 µg/m³	24h	27
2026-10-12	49	26–103	13.0 µg/m³	24h	29
2026-10-11	40	21–79	10.0 µg/m³	24h	24
2026-10-10	59	28–94	16.5 µg/m³	24h	28
2026-10-09	56	28–99	15.6 µg/m³	24h	32
2026-10-08	30	20–42	7.1 µg/m³	24h	20
2026-10-07	30	25–36	7.1 µg/m³	7h	16

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