What is the air quality trend in Casa de Oro-Mount Helix?

Over the past 8 days, Casa de Oro-Mount Helix had an average AQI of 45 based on station measurements. The worst day was 2026-08-06 with AQI 52.

How is Casa de Oro-Mount Helix air quality measured?

Air quality in Casa de Oro-Mount Helix 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 Casa de Oro-Mount Helix, United States

Name: Casa de Oro-Mount Helix Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Casa de Oro-Mount Helix, United States.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 8 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	33	32–34	7.9 µg/m³	2.3	2h	8
2026-08-07	36	24–54	8.6 µg/m³	6.5	24h	7
2026-08-06	52	25–205	17.5 µg/m³	6.6	24h	6
2026-08-05	48	30–63	12.3 µg/m³	12.9	24h	6
2026-08-04	50	32–73	12.8 µg/m³	7.1	24h	6
2026-08-03	45	23–63	11.2 µg/m³	9.5	24h	6
2026-08-02	49	33–68	12.7 µg/m³	9.3	24h	7
2026-08-01	47	34–53	11.3 µg/m³	7.1	19h	7

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