What is the air quality trend in Greater Sudbury?

Over the past 1 days, Greater Sudbury had an average AQI of 29 based on station measurements. The worst day was 2026-05-29 with AQI 29.

How is Greater Sudbury air quality measured?

Air quality in Greater Sudbury 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 Greater Sudbury, Canada

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

Temperature, precipitation and air quality trend for Greater Sudbury, Canada.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

No ground-level monitoring stations are available near Greater Sudbury. Showing air quality data from the CAMS atmospheric model and weather from GFS. Model data may differ from actual ground conditions.

Air Quality Index CAMS model

48pt

PM2.5 CAMS model

48pt

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	29	29–29	7.0 µg/m³	1h	1

Back to Greater Sudbury Air Quality