Skip to content
Plinth

· Public charity

California Air Pollution Control Officers Association

To lead efforts to improve air quality, protect the public from exposure to harmful air pollutants and to provide assistance and leadership to districts and others working to attain state and federal air quality standards throughout california.

$5.3M
Granted FY2025still arriving
21
Grants FY2025still arriving
1
States reached
$783k
Largest
01What you fund
0197% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172025.

Environment$12MCrime & Legal$3.6MHealth$3.4MEducation$662kArts & Culture$247kCivil Rights$40kScience & Tech$8kCommunity Improvement$7kOther$0
02FY2025 · 21 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k3 grants · $18k
  • $10k–50k2 grants · $22k
  • $50k–250k9 grants · $1.6M
  • $250k+7 grants · $3.7M
$224,002
Median grant
1
States reached
$2.3M
Total assets
Largest grants
RecipientAmount
MOJAVE DESERT AQMD$783,212
SAN LUIS OBISPO COUNTY APCD$743,501
SAN JOAQUIN VALLEY APCD$567,703
NORTHERN SIERRA AQMD$566,634
YOLO-SOLANO AQMD$382,615
SISKIYOU COUNTY APCD$357,431
PLACER COUNTY APCD$290,610
BUTTE COUNTY AQMD$240,608
NORTH COAST UNIFIED APCD$227,769
SHASTA COUNTY AQMD$227,256
EASTERN KERN APCD$224,002
SANTA BARBARA COUNTY APCD$157,476
TEHAMA COUNTY APCD$157,432
MENDOCINO COUNTY AQMD$157,431
IMPERIAL COUNTY APCD$89,980
02The need
03

Do your dollars go where the need is?

Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.

show:

Dollar for dollar, your grants (FY17–25) land where the poverty rate runs at 14%, against an area that typically sits at 11%. 70% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 11%PLACER COUNTY APCD: $291k → 6%EL DORADO COUNTY AQMD: $450k → 8%BUTTE COUNTY AQMD: $429k → 10%NORTHERN SIERRA AQMD: $567k → 11%SAN LUIS OBISPO COUNTY APCD: $744k → 12%MONTEREY BAY ARD: $226k → 12%MOJAVE DESERT AQMD: $783k → 14%SHASTA COUNTY AQMD: $227k → 14%GLENN COUNTY APCD: $180k → 14%FEATHER RIVER AQMD: $193k → 14%SANTA BARBARA COUNTY APCD: $227k → 14%TEHAMA COUNTY APCD: $191k → 15%SISKIYOU COUNTY APCD: $357k → 16%YOLO-SOLANO AQMD: $383k → 16%LAKE COUNTY AQMD: $158k → 17%MENDOCINO COUNTY AQMD: $161k → 18%EASTERN KERN APCD: $224k → 18%NORTH COAST UNIFIED AQMD: $291k → 18%BUTTE COUNTY AQMD: $241k → 18%SAN JOAQUIN VALLEY APCD: $568k → 19%IMPERIAL COUNTY APCD: $223k → 21%PLACER COUNTY APCD: $147k → 6%GREAT BASIN UNIFIED APCD: $320k → 10%NORTHERN SIERRA AQMD: $452k → 11%SAN LUIS OBISPO COUNTY APCD: $255k → 12%MONTEREY BAY ARD: $158k → 12%MOJAVE DESERT AQMD: $211k → 14%SHASTA COUNTY AQMD: $187k → 14%SANTA BARBARA COUNTY APCD: $157k → 14%TEHAMA COUNTY APCD: $157k → 15%YOLO-SOLANO AQMD: $210k → 16%MENDOCINO COUNTY AQMD: $157k → 18%EASTERN KERN COUNTY APCD: $161k → 18%NORTH COAST UNIFIED APCD: $228k → 18%IMPERIAL COUNTY APCD: $138k → 21%PLACER COUNTY APCD: $138k → 6%GREAT BASIN UNIFIED APCD: $178k → 10%NORTHERN SIERRA AQMD: $188k → 11%SAN LUIS OBISPO COUNTY APCD: $202k → 12%MOJAVE DESERT AQMD: $146k → 14%YOLO-SOLANO AQMD: $163k → 16%IMPERIAL COUNTY APCD: $137k → 21%GREAT BASIN UNIFIED APCD: $170k → 10%PLACER COUNTY APCD: $159k → 11%SAN LUIS OBISPO COUNTY APCD: $147k → 12%GREAT BASIN UNIFIED APCD: $158k → 10%GREAT BASIN UNIFIED APCD: $157k → 10%RUSSEL SIGLER INC: $247k → 12%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.

US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.

03Your edge
repeat funding

Who you back again

Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.

94%of every dollar goes to organizations you’ve funded before.
$19M · 28 repeat orgs$1.2M to everyone else

28 repeat relationships — 18 still active in FY2025, 10 since wound down; 3 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

28
15

Total granted

$19M
$1.2M

Still filing today

0%
0%

New vs renewed · share of each year

In FY2025, 100% of grant dollars renewed an existing relationship; $23k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). The earliest year is left-censored: relationships that predate the data read as “new.” Theme is the grantee’s IRS cause.

Backed again, and grew

  • SL
    SAN LUIS OBISPO COUNTY APCD
    9× · 2017–2025 · $1.9M
  • MD
    MOJAVE DESERT AQMD
    9× · 2017–2025 · $1.8M
  • NS
    NORTHERN SIERRA AQMD
    9× · 2017–2025 · $1.7M

Funded once

  • RS
    RUSSEL SIGLER INC
    one grant, 2023 · $247k
  • FR
    FEATHER RIVER AQMD
    one grant, 2018 · $193k
  • CO
    COUNTY OF TUOLUMNE
    one grant, 2018 · $135k

Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.

04Your field
04the grantee network

0 grantees tracked through their own filings, 2017–2025.

Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.

Counted here: distinct organizations you funded across 20172025, not grant rows in a single year — so this will not match the grant count on the cover. 0 of the 46 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.

0
Load-bearing (≥25% of a budget)
0
Early backer (in before they grew)
0/0
Grantees still filing
0/0
Grew since you first funded

Where your money sits — by cause, then by grantee

SAN LUIS OBISPO COUNTY APCD — $1,947,745 · OtherSAN LUIS OBISPO COUNTY APCDMOJAVE DESERT AQMD — $1,843,837 · OtherMOJAVE DESERT AQMDNORTHERN SIERRA AQMD — $1,652,496 · OtherNORTHERN SIERRA AQMDGREAT BASIN UNIFIED APCD — $1,421,812 · OtherGREAT BASIN UNIFIED APCDYOLO-SOLANO AQMD — $1,344,428 · OtherYOLO-SOLANO AQMDPLACER COUNTY OF AIR POLUTION CONTROL DIST — $1,172,954 · OtherPLACER COUNTY OF AIR POLUTION CONTROL DISTIMPERIAL COUNTY APCD — $1,171,644 · OtherIMPERIAL COUNTY APCDBUTTE COUNTY AQMD — $1,113,957 · OtherBUTTE COUNTY AQMDEmployers Training Resource — $894,649 · OtherSAN JOAQUIN VALLEY APCD — $823,885 · OtherNORTH COAST UNIFIED AQMD — $744,754 · Other+35 more — $6,075,158 · Other+35 more
Other$20,207,319

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%grantee revenue →↑ your share of their budget
Go grantee by grantee — a decade per org, and how each moved after you funded them

A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.

The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.

California Fire Safe Council IncCA21.9× affinity8 shared granteesties to 7 of 7Hover any node to trace its alignments.Compare side by side →

Open a dossier: California Fire Safe Council Inc · California Cupa Forum · Public Health Institute · California Fire Foundation · Center for Technology and Civic Life · Best Friends Animal Society · Petsmart Charities Inc · Kaiser Foundation Hospitals

Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.

On method. Every financial figure here is read directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 46 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears. How we build these →

Generated from your IRS Form 990 e-file return for fiscal year 2025, released 2025. Filings run roughly 12–24 months behind; figures are dated accordingly.

Source object · view filing

More from the funding graph