What is the air quality trend in Halifax?

Over the past 15 days, Halifax had an average AQI of 50 based on station measurements. The worst day was 2026-05-26 with AQI 64.

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.

110

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	45	8–130	14.8 µg/m³	1.8	4h	3
2026-06-08	55	23–153	15.7 µg/m³	2.9	24h	7
2026-06-07	49	28–78	13.1 µg/m³	3.6	24h	8
2026-06-06	52	15–129	14.5 µg/m³	3.0	24h	7
2026-06-05	58	21–188	19.6 µg/m³	2.7	24h	7
2026-06-04	58	23–92	16.7 µg/m³	2.0	24h	7
2026-06-03	52	24–91	14.2 µg/m³	3.4	24h	7
2026-06-02	47	16–94	12.6 µg/m³	2.0	24h	7
2026-06-01	41	12–65	10.3 µg/m³	4.0	24h	6
2026-05-31	39	8–134	11.0 µg/m³	2.6	24h	4
2026-05-30	41	4–84	10.6 µg/m³	4.3	24h	4
2026-05-29	52	18–203	17.7 µg/m³	3.5	24h	5
2026-05-28	57	28–117	16.1 µg/m³	11.9	23h	4
2026-05-27	48	20–70	12.6 µg/m³	7.0	24h	5
2026-05-26	64	23–107	19.2 µg/m³	10.3	20h	5

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