What is the air quality trend in Alhambra?

Over the past 8 days, Alhambra had an average AQI of 35 based on station measurements. The worst day was 2026-08-04 with AQI 51.

How is Alhambra air quality measured?

Air quality in Alhambra 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 Alhambra, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Alhambra, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 15 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	39	39–39	9.4 µg/m³	1h	15
2026-08-07	33	19–49	7.8 µg/m³	24h	15
2026-08-06	39	23–76	9.7 µg/m³	24h	14
2026-08-05	36	21–161	10.2 µg/m³	24h	15
2026-08-04	51	24–165	14.5 µg/m³	24h	16
2026-08-03	31	20–53	7.3 µg/m³	24h	16
2026-08-02	28	22–36	6.8 µg/m³	24h	15
2026-08-01	30	24–38	7.1 µg/m³	20h	15

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