What is the air quality trend in Quito?

Over the past 16 days, Quito had an average AQI of 42 based on station measurements. The worst day was with AQI .

How is Quito air quality measured?

Air quality in Quito 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 Quito, EC

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

Historical PM2.5 and AQI trend from monitoring stations near Quito, EC.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

289h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-10	17	4–82	4.6 µg/m³	21h	1
2026-04-09	11	4–25	2.6 µg/m³	15h	1
2026-04-08	32	8–55	7.8 µg/m³	9h	1
2026-04-07	50	12–180	15.7 µg/m³	24h	1
2026-04-06	34	8–95	9.6 µg/m³	16h	1
2026-04-04	44	21–57	11.0 µg/m³	15h	1
2026-04-03	45	21–84	11.6 µg/m³	24h	1
2026-04-02	51	12–105	14.2 µg/m³	18h	1
2026-04-01	46	8–82	12.0 µg/m³	17h	1
2026-03-31	44	17–72	11.1 µg/m³	20h	1
2026-03-30	43	21–63	10.8 µg/m³	10h	1
2026-03-29	54	33–76	14.3 µg/m³	23h	1
2026-03-28	50	8–74	13.5 µg/m³	23h	1
2026-03-27	48	12–112	13.3 µg/m³	24h	1
2026-03-26	64	21–97	18.9 µg/m³	24h	1
2026-03-25	43	17–57	10.5 µg/m³	6h	1

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