What is the air quality trend in North Bay?

Over the past 4 days, North Bay had an average AQI of 50 based on station measurements. The worst day was 2026-07-18 with AQI 126.

How is North Bay air quality measured?

Air quality in North Bay 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 North Bay, Canada

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

14h

PM2.5 Station

14h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-20	25	21–28	5.9 µg/m³	4h	1
2026-07-19	30	12–59	7.6 µg/m³	4h	1
2026-07-18	126	78–162	51.4 µg/m³	4h	1
2026-07-17	22	18–25	5.2 µg/m³	2h	1

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