What is the air quality trend in Nacimiento?

Over the past 20 days, Nacimiento had an average AQI of 59 based on station measurements. The worst day was 2026-05-19 with AQI 74.

How is Nacimiento air quality measured?

Air quality in Nacimiento 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 Nacimiento, Chile

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

Historical PM2.5 and AQI trend from monitoring stations near Nacimiento, Chile.

165

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

462h

PM2.5 Station

462h · 8 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	58	12–157	17.7 µg/m³	23h	5
2026-05-28	44	13–134	12.2 µg/m³	23h	5
2026-05-27	63	17–152	19.5 µg/m³	23h	5
2026-05-26	71	9–163	24.4 µg/m³	23h	6
2026-05-25	71	21–179	25.3 µg/m³	24h	6
2026-05-24	57	16–149	16.1 µg/m³	24h	5
2026-05-23	58	5–158	18.2 µg/m³	24h	4
2026-05-22	68	16–118	21.6 µg/m³	23h	4
2026-05-21	56	13–119	16.5 µg/m³	24h	5
2026-05-20	69	15–273	26.6 µg/m³	24h	5
2026-05-19	74	20–152	23.9 µg/m³	21h	4
2026-05-18	57	13–140	17.7 µg/m³	21h	4
2026-05-17	69	5–322	33.8 µg/m³	20h	3
2026-05-16	33	12–73	8.4 µg/m³	23h	6
2026-05-15	57	12–145	17.1 µg/m³	24h	8
2026-05-14	64	22–185	23.4 µg/m³	24h	8
2026-05-13	57	29–117	15.9 µg/m³	24h	8
2026-05-12	64	19–153	19.7 µg/m³	24h	8
2026-05-11	51	13–95	14.6 µg/m³	24h	9
2026-05-10	46	19–72	12.2 µg/m³	22h	7

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