Nonprofit · EIN 47-5324172
OPENAQ INC
Tax-exempt · WASHINGTON, DC 20006
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $747,665 | $678,661 | $69,004 | $551,035 | $8,518 | $542,517 |
| December 31, 2024 | 990 | $764,306 | $673,591 | $90,715 | $678,235 | $204,722 | $473,513 |
| December 31, 2023 | 990 | $687,491 | $719,548 | -$32,057 | $518,685 | $135,887 | $382,798 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $593,332
- Program service revenue
- $141,400
- Investment income
- $12,933
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $29,110
- Compensation of officers, directors and key employees
- $155,932
- Other salaries and wages
- $226,000
- Salaries, compensation and benefits (total)
- $457,865
- Professional fundraising fees
- $0
- Legal fees
- $1,921
- Accounting fees
- $23,023
- Travel
- $20,928
- Depreciation
- $4,045
- Program services (functional)
- $539,043
- Management and general (functional)
- $132,438
- Fundraising (functional)
- $7,180
Balance sheet and other
- Total assets, start of year
- $678,235
- Total assets, end of year
- $551,035
- Total liabilities, end of year
- $8,518
- Net assets, end of year
- $542,517
- Net assets without donor restrictions
- $532,517
- Net assets with donor restrictions
- $10,000
- Gross receipts
- $747,665
- Employees
- 3
- Volunteers
- 8
- Year formed
- 2018
- State of legal domicile
- DC
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Russell Biggs | Director of Tech | 40 | $146,492 | $13,299 |
| Christine Hagerbaumer | CEO Officer | 40 | $130,500 | $25,433 |
| Matt Whitney | Director Trustee or director | 2 | $0 | $0 |
| Amrit Sharma | Secretary Trustee or director, Officer | 2 | $0 | $0 |
| Nathan Pavlovic | Director Trustee or director | 2 | $0 | $0 |
| Erin Robinson | Treasurer Trustee or director, Officer | 2.5 | $0 | $0 |
| Pallavi Pant | Chairman Trustee or director, Officer | 4 | $0 | $0 |
| Christian Medina | Director Trustee or director | 2 | $0 | $0 |
990 for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Russell Biggs | Director of Tech | 40 | $140,055 | $12,792 |
| Christine Hagerbaumer | CEO Officer | 40 | $125,000 | $24,950 |
| Matt Whitney | Director Trustee or director | 2.5 | $0 | $0 |
| Amrit Sharma | Secretary Trustee or director, Officer | 2 | $0 | $0 |
| Nathan Pavlovic | Director Trustee or director | 2 | $0 | $0 |
| Erin Robinson | Treasurer Trustee or director, Officer | 2.5 | $0 | $0 |
| Pallavi Pant | Chairman Trustee or director, Officer | 4 | $0 | $0 |
990 for the year ended December 31, 2023: 8 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Russell Biggs | Director of Tech | 40 | $136,379 | $13,638 |
| Christine Hagerbaumer | CEO Officer | 40 | $126,089 | $12,088 |
| Heidi Yoon | Chairman Trustee or director, Officer | 4 | $0 | $0 |
| Matt Whitney | Director Trustee or director | 2.5 | $0 | $0 |
| Amrit Sharma | Secretary Trustee or director, Officer | 2 | $0 | $0 |
| Nathan Pavlovic | Director Trustee or director | 2 | $0 | $0 |
| Erin Robinson | Treasurer Trustee or director, Officer | 2.5 | $0 | $0 |
| Pallavi Pant | Director Trustee or director | 2.5 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- LOCAL, WASHINGTON, DC 20006-0000
- In care of
- % CHRISTINE HAGERBAUMER
- Principal officer (990 for 2025)
- Pallavi Pant, 818 18th Street NW Suite 810 1046, Washington, DC 20006
- Signed the 990
- Erin Robinson, Treasurer
- Phone
- (301) 531-4196
- Website
- https://openaq.org
- Return prepared by
- NFP Solutions LLC
Mission
By providing universal access to air quality data, OpenAQ empowers a global community of changemakers to solve air inequality.
Program accomplishments
- Air Quality Data Platform: To meet the needs of air quality researchers, community advocates, journalists and other air quality changemakers, OpenAQ provides the worlds largest open-access, open-source air quality data platform. In 2025, we aggregated new data from ~3,400 locations, including ~1,400 locations in low- and middle-income countries, reaching a total of more than 22,000 locations in 141 countries. We saw a 187% increase in registered users, totaling more than 19,000. Active API use leaped by 550% to 2,700 per quarter and active OpenAQ Explorer use increased by 34% to 250 per day. ~175 publications cited their use of OpenAQ, an average of over 14 per month.Expenses $340,729 · revenue $121,479
- Community Engagement: Through webinars, trainings, speaking engagements, conference attendance, one-on-one meetings, impact stories and more, we introduced potential new users to the OpenAQ data platform and supported existing data practitioners. Through our Clean Air Community Ambassador program, we provided professional leadership training to 10 emerging air quality leaders from the world's most polluted regions. We connected air quality data producers and users across sectors and geographies to support an international learning environment. These and other outreach activities have resulted in greater use of the platform for air quality analysis and clean air advocacy.Expenses $198,314 · grants $29,110 · revenue $19,921
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 47-5324172
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2018
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C20)
- Assets (IRS master file)
- $551,035
- Income (IRS master file)
- $747,665
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $747,665 | $678,661 | $551,035 | XML |
| 990 | December 2024 | $764,306 | $673,591 | $678,235 | IRS |
| 990 | December 2023 | $687,491 | $719,548 | $518,685 | XML |
| 990 | December 2022 | $648,318 | $613,723 | $614,928 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 47-5324172).
Questions about OPENAQ INC
- What is the EIN of OPENAQ INC?
- The employer identification number (EIN) of OPENAQ INC is 47-5324172.
- Is OPENAQ INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
- Are donations to OPENAQ INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does OPENAQ INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of OPENAQ INC due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did OPENAQ INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of OPENAQ INC?
- The 990 for the year ended December 31, 2025 names Pallavi Pant.
- Who are the officers and directors of OPENAQ INC?
- The 990 for the year ended December 31, 2025 lists 8 people; 2 received compensation from the organization, the highest $146,492 (Russell Biggs, Director of Tech).
- How much revenue does OPENAQ INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $747,665, expenses of $678,661 and total assets of $551,035 at year end.
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