What is the air quality trend in North Bay?

Over the past 15 days, North Bay had an average AQI of 47 based on station measurements. The worst day was 2026-05-21 with AQI 67.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

287h

PM2.5 Station

287h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	45	15–151	13.1 µg/m³	20h	2
2026-05-29	41	13–147	11.4 µg/m³	22h	2
2026-05-28	34	16–83	8.8 µg/m³	23h	3
2026-05-27	54	6–105	16.7 µg/m³	22h	2
2026-05-26	65	14–182	24.7 µg/m³	19h	3
2026-05-25	64	15–175	21.9 µg/m³	21h	3
2026-05-24	52	10–136	15.8 µg/m³	23h	3
2026-05-23	47	11–139	14.2 µg/m³	22h	2
2026-05-22	43	11–151	12.5 µg/m³	20h	2
2026-05-21	67	11–224	27.8 µg/m³	23h	2
2026-05-20	37	2–98	10.2 µg/m³	20h	2
2026-05-19	50	2–131	15.1 µg/m³	19h	2
2026-05-18	38	13–153	10.9 µg/m³	18h	2
2026-05-17	45	13–108	13.7 µg/m³	14h	2
2026-05-16	30	30–30	7.2 µg/m³	1h	3

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