What is the air quality trend in Halifax?

Over the past 8 days, Halifax had an average AQI of 65 based on station measurements. The worst day was 2026-05-22 with AQI 92.

How is Halifax air quality measured?

Air quality in Halifax 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 Halifax, United Kingdom

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

Historical PM2.5 and AQI trend from monitoring stations near Halifax, United Kingdom.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	49	20–75	13.6 µg/m³	3.5	21h	7
2026-05-28	56	29–81	15.6 µg/m³	11.9	24h	6
2026-05-27	67	31–154	20.3 µg/m³	7.0	24h	8
2026-05-26	69	35–152	21.0 µg/m³	10.6	24h	9
2026-05-25	73	36–160	23.5 µg/m³	6.4	24h	10
2026-05-24	58	18–202	20.1 µg/m³	4.8	24h	7
2026-05-23	63	25–197	21.4 µg/m³	6.6	24h	9
2026-05-22	92	60–171	38.0 µg/m³	11.7	4h	6

Back to Halifax Air Quality