What is the air quality trend in Peterborough?

Over the past 8 days, Peterborough had an average AQI of 54 based on station measurements. The worst day was 2026-06-08 with AQI 74.

How is Peterborough air quality measured?

Air quality in Peterborough 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 Peterborough, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Peterborough, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

118h

PM2.5 Station

118h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	33	21–62	8.6 µg/m³	4h	2
2026-06-08	74	2–344	33.4 µg/m³	19h	1
2026-06-07	64	10–179	24.8 µg/m³	16h	2
2026-06-06	58	8–151	18.7 µg/m³	14h	1
2026-06-05	39	8–100	10.7 µg/m³	20h	2
2026-06-04	71	13–146	23.5 µg/m³	17h	1
2026-06-03	44	16–152	13.4 µg/m³	17h	2
2026-06-02	49	17–118	14.1 µg/m³	11h	2

Back to Peterborough Air Quality