Phase One: Complete

Phase Two: In Progress

Our Partners

C.A.R.E. + Clean Air Project Overview

This project aims to supply air purifiers and scope out air quality monitoring for San Francisco’s Potrero Hill public housing development. For phase one, we successfully delivered 100 air purifiers. Access to air purifiers means access to clean air, something which can be hard to come by in a neighborhood surrounded by multi-lane highways, new construction, and smoke during fire season. Contributions from socially-conscious businesses and individuals are the driving force behind this effort. Households that are home to individuals with higher respiratory risks, such as seniors, newborns, and those with pre-existing conditions will receive equipment first.

The Potrero Hill Terraces are home to ethnically diverse families from all walks of life. Many residents are essential workers, and receive substantial community support from C.A.R.E.. C.A.R.E. is a non-profit based in Potrero Hill that focuses on improving quality of life and access for local residents. This includes feeding those in need, extending educational resources to youth, and mitigating police-community relations. All funds raised here will be funneled through C.A.R.E. and will be applied to the C.A.R.E. + Clean Air Project. By supporting this fundraiser by C.A.R.E., you’re directly impacting the lives of Potrero’s most vulnerable residents.

In addition to installing air purifiers, funds raised will go towards local education efforts on air quality risks and respiratory health awareness. These efforts are made possible by strategic partnerships with companies like GAMS (a provider of indoor air quality monitoring equipment) and BRIDGE (non-profit developer of low and mixed income housing across California). We recently launched Phase Two of this project, which will expand access to 500 additional households of the Potrero Hill and Sunnydale public housing developments.

Point of Contact: tb357@cornell.edu

Phase Two: Purifiers Delivered out of 500
2%
The California Wildfires
In 2020, California wildfires caused at least 31 fatalities. They also resulted in 4.2 million acres being burned, the most in a single year since CalFire began keeping records.
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This May Be The New Normal
For weeks harmful smoke affected Californians up and down the coast, with under-resourced communities and low-income individuals unable to escape the smoke being affected by air pollutants.

Experts say California may begin experiencing wildfires year round due to the changing climate. This would make harmful smoke a persistent issue.
California's Changing Climate
Potrero Hill Neighborhood
The Potrero Hill Public Housing Development is located in San Francisco. While the neighborhood's elevation means neighborhood residents are greatly affected by smoke blowing in from nearby areas.

Many residents of the Potrero Hill Public Housing Development are essential workers, struggling to afford basic amenities. Budgeting for air purifiers is challenging at best and often impossible.
More About Potrero Hill
C.A.R.E. and Potrero Hill
C.A.R.E. or Community Awareness Resources Entity is a non-profit that has been serving the Potrero Hill community since 2014. They were involved with the early response to the COVID-19 pandemic, helping to distribute hand sanitizer, masks, and food to local residents in need. They will be involved with distributing air purifiers and monitoring neighborhood air quality in the implementation stage of this project.
C.A.R.E.'s Impact
Why Clean Air Matters
Whether it's smoke from wildfires or smog from industrial pollution, clean air is crucial for health and learning outcomes.
Why Clean Air Is A Privilege
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Installation Details
Cornell University Sustainable Design, an independent student project team is advising our team on the technical specs of the air purifiers that will be installed.
Discover Their Other Projects
In Summary
Your contribution will have a direct, lasting impact on residents of the Potrero Hill Public Housing Development. Please consider supporting this cause by donating today and having your contribution matched by our corporate sponsors.
Improve Someone's Quality of Life
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Timeline

June 1st: Fundraiser Begins
August 31st: Fundraiser Ends
Early September: Installation Begins
Late September: Installation Complete

Why This Project?

C.A.R.E. is an under-resourced non-profit that has been serving everyone from young students to seniors in Potrero Hill for over a decade. C.A.R.E. was started by residents of the Potrero Annex/Terraces. Their Executive Director, Uzuri Pease-Greene embodies the spirit of C.A.R.E.. A long-time resident of the Potrero Annex/Terraces, Uzuri is known as an articulate representative for public housing residents throughout the city police department, district attorney’s office and various community groups, as well as in Washington, DC and Baltimore, Maryland. Uzuri works to shape policy decisions for folks who don't have the power to make those decisions for themselves.

Why This Project?

C.A.R.E. is an under-resourced non-profit that has been serving everyone from young students to seniors in Potrero Hill for over a decade. Their Executive Director, Uzuri Pease-Greene embodies the spirit of C.A.R.E.. A long-time resident of the Potrero Terraces, Uzuri is known as an articulate representative for public housing residents throughout the city police department, district attorney’s office and various community groups, as well as in Washington, DC and Baltimore, Maryland. Uzuri works to shape policy decisions for folks who don't have the power to make those decisions for themselves.

Primary Objective

Improve household air quality in Potrero Hill Annex Public Housing Development. Air quality is an increasingly important issue as California wildfires become more expansive and more frequent.

Second Objective

Work with community partners like C.A.R.E. to empower residents with resources to better understand their respiratory health, air purifier best practices, and the importance of clean air.

Second Objective

Work with community partners like C.A.R.E. to empower residents with resources to better understand their respiratory health, air purifier best practices, and the importance of clean air.

Third Objective

Demonstrate feasibility of expanding this initiative to other low-income housing developments in the Bay Area through other non-profit / for-profit partnerships powered by Striive. Given this project's success to date, we are starting to plan a Phase 2, where we'll be working to procure air purifiers for another 500 households in Potrero Hill and Sunnydale public housing.

Why Donate?

Even a small contribution goes a long way. Individual donations are matched by our corporate sponsors, whose commitment to the Bay Area community and better air quality for all make this project possible. Whether you're an individual or a prospective corporate sponsor, you are directly improving the quality of life for Potrero Hill and Sunnydale residents.

Why Donate?

Even a small contribution goes a long way. Individual donations are matched by our corporate sponsors, whose commitment to the Bay Area community and better air quality for all make this project possible. Whether you're an individual or a prospective corporate sponsor, you are directly improving the quality of life for Potrero Hill and Sunnydale residents.

2023 Project Update

To date, over 100 air purifiers have been delivered to residents of the Potrero Hill Terraces housing complex. In Summer 2022, we completed our phase one goal of providing healthy, clean air access to 100 households! We are incredibly grateful to all of our donors to date, as well as our exclusive supplier, Winix. There is still a lot of work to be done as we work to expand this effort to a total of 600 households spanning Potrero and Sunnydale. Thank you for your continued support and please continue to spread the work about this initiative.

Technical Analysis

Our analysis examined several key metrics for 13 models of air purifiers. Our primary considerations were Smoke Clean Air Delivery Rate (CADR) and Dust CADR, initial price, and annual cost for filter replacement and electricity. Assuming an energy cost of $0.15 /kWh, and 24/7 operating time, the Winix 5500, Honeywell HPA 300, Levoit 133, and Blue Air Pure 211 stand out as the top four options. While all models have five year costs under $1000, the Honeywell HPA 300 and Winix 5500 stood out given their low annual filter replacement cost. After factoring efficacy of the different models, the Blue Air Pure 211 also emerged as a relevant consideration given it’s ability to deliver clean air more quickly, even in air with densely concentrated particulates.

Recognizing that residents will be responsible for maintaining the purifiers and updating filters after the initial install, we made our final selection based on the annual cost of filters for the three models. On this criteria, the Honeywell HPA 300 and the Winix 5500 came in with the lowest annual filter replacement cost of $80. The final selection came down to the fact that the Bay Area Air Quality Management District (BAAQMD), which we hope to include as a partner as this project expands, has approved Winix for their own air purifier disbursement initiatives. Additionally, Winix kindly offered to be an official partner of this project and help us reach a broader audience.

As a result, funds from this project will be used to purchase Winix 5500 air purifiers. Our methodology and purifier selection for this project is based on input from Cornell University Sustainable Design, a project team that sits in Cornell University’s Systems Engineering Department.

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