What is the air quality trend in Renfrew?

Over the past 21 days, Renfrew had an average AQI of 72 based on station measurements. The worst day was 2026-05-26 with AQI 95.

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

477h

PM2.5 Station

477h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	63	20–152	18.7 µg/m³	21h	5
2026-05-28	60	24–142	17.7 µg/m³	24h	5
2026-05-27	75	30–183	26.5 µg/m³	24h	6
2026-05-26	95	48–186	36.8 µg/m³	24h	7
2026-05-25	83	35–179	29.8 µg/m³	24h	8
2026-05-24	81	22–170	29.9 µg/m³	24h	6
2026-05-23	80	22–334	38.1 µg/m³	24h	7
2026-05-22	67	14–155	21.0 µg/m³	24h	7
2026-05-21	72	16–223	29.7 µg/m³	24h	6
2026-05-20	93	25–335	41.1 µg/m³	23h	6
2026-05-19	90	44–175	31.9 µg/m³	24h	7
2026-05-18	72	5–164	23.4 µg/m³	24h	7
2026-05-17	75	39–151	23.4 µg/m³	24h	8
2026-05-16	64	15–143	19.1 µg/m³	22h	8
2026-05-15	66	23–265	24.6 µg/m³	24h	10
2026-05-14	73	40–157	22.8 µg/m³	24h	10
2026-05-13	70	29–189	24.7 µg/m³	24h	8
2026-05-12	66	33–110	19.6 µg/m³	24h	9
2026-05-11	55	32–94	15.1 µg/m³	24h	9
2026-05-10	66	34–179	21.3 µg/m³	24h	9
2026-05-09	60	53–64	16.4 µg/m³	3h	12

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