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California Statewide Mobile Monitoring Initiative

Rancho Cucamonga-Ontario

Fairmead Launches SMMI Project with Aclima & CARB

Rancho Cucamonga and eastern Ontario, neighboring cities in San Bernardino County and the South Coast Air Quality Management District, face significant air pollution from freeways, warehouses, rail lines, and Ontario International Airport. Both cities experience high rates of asthma and low birthweight, especially in neighborhoods near major pollution sources. 

The district has teamed up with Aclima and the California Air Resources Board (CARB) to launch a community air monitoring project guiding future actions as a part of SMMI. Using Aclima’s advanced sensors, the project collects detailed, block-by-block data on air quality throughout the community. This provides residents with clear information about local pollution and helps guide actions to improve air quality, focusing on the areas and people most affected.

In April of 2025, residents and stakeholders met to discuss these air quality concerns and explore solutions for a healthier community.

Community Air Monitoring Plan (CAMP)

Following a period of public review, we have revised the CAMP for Rancho Cucamonga and Ontario as of September 3, 2025. This is the final version of the CAMP and has been approved by CARB.

Download the updated version of Rancho Cucamonga and Ontario’s Community Air Monitoring Plan (CAMP) to read about how air quality will be monitored.

Download Now

El Plan de Monitoreo de Calidad del Aire de la Communidad (CAMP)

Tras un período de revisión pública, hemos revisado el CAMP de Rancho Cucamonga y Ontario a partir del 3 de septiembre de 2025. Esta es la versión final del CAMP y ha sido aprobada por CARB.

Descargue la versión actualizada del Programa Comunitario de Monitoreo del Aire de Rancho Cucamonga y Ontario para leer sobre cómo se monitoreará la calidad del aire.

Disponible Próximamente

Community Air Monitoring Plan (CAMP)

The Community Air Monitoring Plan (CAMP) for Rancho Cucamonga and Ontario is a partnership between HARC, Aclima, and the California Air Resources Board.

The initial Rancho Cucamonga and Ontario Community Air Monitoring Plan (CAMP) was published on May 19, 2025. You can download the original version by clicking the button below. To read the final CAMP, please navigate to the "Final Approved CAMP" button on the right.

Download Previous Draft

El Plan de Monitoreo de Calidad del Aire de la Communidad (CAMP)

El Plan Comunitario de Monitoreo del Aire (CAMP) de Rancho Cucamonga y Ontario es una asociación entre HARC, Aclima y el Consejo de Recursos del Aire de California.

El borrador anterior del Plan Comunitario de Monitoreo del Aire (CAMP) de Rancho Cucamonga y Ontario se publicó el 19 de mayo de 2025. Puede descargar la versión original haciendo clic en el botón de abajo. Para leer el CAMP actualizado, navegue hasta el botón "CAMP Final Aprobado" situado a la derecha.

Descargar Borrador Anterior
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This community air monitoring plan is open for public comment. Click to submit in English or Spanish.
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HARC

HARC, Inc. (Health Assessment and Research for Communities) is a nonprofit based in Palm Desert, California, dedicated to improving community health through objective research and data-driven solutions. Founded in 2006, HARC conducts the triennial Coachella Valley Community Health Survey and provides consulting, program evaluation, and community engagement services to help organizations guide future action.

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About Aclima

Aclima operates mobile air quality sensors, collecting and analyzing pollution data, and working with communities to provide detailed, localized air quality insights that support health and environmental actions.

Learn more about how we map air
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