What is the air quality trend in Little Portugal?

Over the past 15 days, Little Portugal had an average AQI of 51 based on station measurements. The worst day was 2026-05-20 with AQI 72.

How is Little Portugal air quality measured?

Air quality in Little Portugal 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 Little Portugal, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 11 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	49	22–154	14.3 µg/m³	1.8	12h	14
2026-05-29	50	16–128	14.2 µg/m³	12.1	24h	18
2026-05-28	39	15–109	10.3 µg/m³	1.6	24h	16
2026-05-27	47	25–148	12.8 µg/m³	6.1	24h	15
2026-05-26	37	22–74	9.5 µg/m³	6.0	24h	13
2026-05-25	72	25–169	25.4 µg/m³	11.2	24h	15
2026-05-24	51	21–122	14.2 µg/m³	7.1	24h	18
2026-05-23	54	18–112	15.6 µg/m³	2.7	24h	18
2026-05-22	43	15–109	11.7 µg/m³	5.0	24h	14
2026-05-21	60	23–182	20.3 µg/m³	1.6	24h	17
2026-05-20	72	23–165	23.9 µg/m³	7.2	24h	17
2026-05-19	41	18–93	10.9 µg/m³	8.5	24h	15
2026-05-18	42	20–63	10.6 µg/m³	29.4	24h	13
2026-05-17	63	20–163	20.2 µg/m³	27.7	24h	6
2026-05-16	52	23–131	14.7 µg/m³	12.6	12h	19

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