What is the air quality trend in Ciudad Vieja?

Over the past 12 days, Ciudad Vieja had an average AQI of 94 based on station measurements. The worst day was 2026-05-24 with AQI 112.

How is Ciudad Vieja air quality measured?

Air quality in Ciudad Vieja 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 Ciudad Vieja, Guatemala

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

Historical PM2.5 and AQI trend from monitoring stations near Ciudad Vieja, Guatemala.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

267h

PM2.5 Station

267h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	87	62–124	29.1 µg/m³	32.4	24h	1
2026-05-28	102	74–126	35.5 µg/m³	41.2	24h	1
2026-05-27	82	58–114	27.0 µg/m³	30.1	24h	1
2026-05-26	62	38–122	17.8 µg/m³	19.6	24h	1
2026-05-25	85	32–117	28.7 µg/m³	32.3	24h	1
2026-05-24	112	84–131	39.8 µg/m³	47.5	24h	1
2026-05-23	100	80–117	35.0 µg/m³	40.9	24h	1
2026-05-22	109	93–126	38.7 µg/m³	46.4	22h	1
2026-05-21	99	90–120	34.5 µg/m³	40.0	24h	1
2026-05-20	98	72–142	33.9 µg/m³	39.2	24h	1
2026-05-19	104	86–118	36.8 µg/m³	43.4	24h	1
2026-05-18	93	80–106	32.0 µg/m³	36.3	5h	1

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