What is the air quality trend in Araras?

Over the past 21 days, Araras had an average AQI of 72 based on station measurements. The worst day was 2026-05-21 with AQI 101.

How is Araras air quality measured?

Air quality in Araras 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 Araras, Brazil

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

Historical PM2.5 and AQI trend from monitoring stations near Araras, Brazil.

137

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	97	42–272	43.7 µg/m³	12h	5
2026-06-08	63	28–145	18.7 µg/m³	24h	5
2026-06-07	80	47–170	27.0 µg/m³	24h	4
2026-06-06	61	7–130	18.1 µg/m³	24h	4
2026-06-05	68	39–174	22.1 µg/m³	24h	5
2026-06-04	60	23–151	17.7 µg/m³	24h	4
2026-06-03	56	16–98	16.0 µg/m³	24h	4
2026-06-02	57	20–97	16.1 µg/m³	24h	5
2026-06-01	55	20–110	16.1 µg/m³	24h	4
2026-05-31	39	10–122	10.5 µg/m³	22h	2
2026-05-30	51	10–102	14.5 µg/m³	23h	3
2026-05-29	67	26–153	20.4 µg/m³	24h	3
2026-05-28	62	24–166	19.3 µg/m³	24h	4
2026-05-27	86	21–189	31.4 µg/m³	24h	4
2026-05-26	78	24–133	25.0 µg/m³	24h	4
2026-05-25	96	34–164	34.9 µg/m³	24h	5
2026-05-24	98	41–321	40.1 µg/m³	24h	4
2026-05-23	88	36–161	29.9 µg/m³	24h	4
2026-05-22	94	40–203	35.5 µg/m³	24h	5
2026-05-21	101	24–177	39.6 µg/m³	24h	5
2026-05-20	74	14–125	23.7 µg/m³	11h	5

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