What is the air quality trend in Townline?

Over the past 7 days, Townline had an average AQI of 51 based on station measurements. The worst day was 2026-05-25 with AQI 74.

How is Townline air quality measured?

Air quality in Townline 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 Townline, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	44	13–120	12.1 µg/m³	24h	13
2026-05-28	46	15–163	14.0 µg/m³	24h	13
2026-05-27	45	20–161	13.2 µg/m³	24h	13
2026-05-26	46	7–136	13.0 µg/m³	24h	13
2026-05-25	74	21–175	27.5 µg/m³	24h	14
2026-05-24	56	22–105	16.4 µg/m³	24h	16
2026-05-23	52	12–114	15.1 µg/m³	24h	13

Back to Townline Air Quality