What is the air quality trend in San Luis Río Colorado?

Over the past 8 days, San Luis Río Colorado had an average AQI of 49 based on station measurements. The worst day was 2026-07-16 with AQI 81.

How is San Luis Río Colorado air quality measured?

Air quality in San Luis Río Colorado 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 San Luis Río Colorado, Mexico

Name: San Luis Río Colorado Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near San Luis Río Colorado, Mexico.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

136h

PM2.5 Station

136h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	31	31–31	7.4 µg/m³	1h	1
2026-07-21	46	5–82	12.5 µg/m³	19h	1
2026-07-20	40	17–82	10.6 µg/m³	18h	1
2026-07-19	48	2–175	16.3 µg/m³	17h	2
2026-07-18	49	22–176	16.1 µg/m³	21h	1
2026-07-17	56	6–297	25.4 µg/m³	17h	2
2026-07-16	81	9–254	41.7 µg/m³	22h	2
2026-07-15	48	25–123	13.0 µg/m³	21h	2

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