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Aclima

Measures air quality with network sensors

Overview

Aclima builds a hardware and software platform that measures air pollution and greenhouse gases at street level, using a network of roving sensors to collect billions of measurements and turn them into environmental intelligence for governments, businesses, and communities. How it works: sensors mounted on roving devices gather data on pollutants and emissions across different areas, which is then processed by Aclima’s software to produce actionable insights and maps for decision making. How it differs from competitors: Aclima operates a global, block-by-block sensing network rather than relying on sparse fixed stations, and it is organized as a Public Benefit Corporation focused on public health and clean air rather than purely profits. Its goal is to catalyze bold action to protect public health, reduce emissions, and ensure clean air for all.

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About Aclima

Simplify's Rating
Why Aclima is rated
C+
Rated B on Competitive Edge
Rated C on Growth Potential
Rated C on Differentiation

Industries

Data & AnalyticsHardwareGovernment & Public SectorEnterprise Software

Company Size

11-50

Company Stage

Debt Financing

Total Funding

$77M

Headquarters

San Francisco, CA

Founded

2007

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What believers are saying

  • CARB expects phased SMMI releases starting late 2026, extending Aclima visibility.
  • Aclima reported a 2025 Series B extension and $13 million Leonid debt financing.
  • New 2025 leadership hires targeted commercial adoption beyond California and governments.

What critics are saying

  • CARB’s June 12, 2026 contract ended, shrinking near-term revenue visibility.
  • Late-2026 data review delays push monetization and renewals into 2027.
  • Aclima depends on government procurement; missed awards can strand its sensor fleet.

What makes Aclima unique

  • Aclima owns California’s block-by-block mobile air dataset from the 2025-2026 SMMI.
  • Its 42 vehicle platforms and three lab partners capture billion-point pollution datasets.
  • CARB selected Aclima through RFP, proving regulatory trust and technical credibility.

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Funding

Total Funding

$77M

Above

Industry Average

Funded Over

3 Rounds

Debt funding comparison data is currently unavailable. We're working to provide this information soon!
Debt Funding Comparison Coming Soon

Benefits

  • Comprehensive health plans
  • Wellness programs
  • 401k & equity plans
  • Parental leave
  • Flexible PTO
  • Remote office support

Growth & Insights and Company News

6 month growth

0%

1 year growth

2%

2 year growth

0%
The Bakersfield Californian
Jun 5th, 2025
State deploys air-monitoring program to four Kern communities

In Lost Hills, Aclima partnered with the Clean Water Fund to develop its plans and in Delano, Wasco and north Bakersfield, it consulted with the Center on Race, Poverty & the Environment.

Business Wire
Sep 20th, 2024
Leonid Capital Partners Bolsters Climate-Tech Portfolio with $13MM Debt Investment in Aclima

Leonid Capital Partners is providing a $13 million term loan to climate-tech company Aclima.

Business Wire
Sep 18th, 2024
Leonid Capital Partners Bolsters Climate-Tech Portfolio with $13MM Debt Investment in Aclima

Aclima has been recognized as one of the TIME100 Most Influential Companies in 2023 and was included on the GovTech 100 list in 2023 and 2024.

Oil and Gas Press
Oct 5th, 2023
ComEd and Aclima Launch Hyperlocal Air-Quality Portal

ComEd worked with Aclima to deploy the company's fleet of low-emission vehicles, equipped with state-of-the-art, air-monitoring sensors in both Chicago's Bronzeville neighborhood and Rockford, Ill.

Business Wire
Jun 13th, 2023
Climate Change Investment Initiative Paves the Way for Innovation in Chicago

Startups whose products, services or technologies are focused on fighting climate change, and improving the quality of life for residents of Chicago a

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