PurpleAir
PrivateMomentum
Top 10%
of companies Caplight tracks
Company Overview
PurpleAir is a cleantech company that manufactures and sells air quality monitoring sensors to measure airborne particulate matter.
Sector
Energy & Sustainability
Verticals
Environmental Monitoring, Sensors, IoT Hardware, D2C Brands
Business Model
B2C
Customer Profile
Hardware Sales, Freemium, Data as a Service, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
PurpleAir Comparables
Compare PurpleAir with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| AirGradient | 83% | |
| Advanced Environmental Monitoring | 81% | |
| Clarity Movement Co. | 79% |
PurpleAir Funding Rounds
Historical fundraising activity
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors grew 328% MoM, reaching 2.7 million.
- Jun 19, 2026
Monthly visitors grew 48% MoM, reaching 516K.
Recent news
Latest coverage and updates
- receives_awardAug 17, 2026
PurpleAir, Inc. received the 2026 Clean Air Award in the Innovation and Application of Technology category in 2026
PurpleAir Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about PurpleAir's valuation, stock price, and market status.
Is PurpleAir a public or private company?
PurpleAir is a private company.
What is the current stock price of PurpleAir?
PurpleAir is a private company, so its shares have no public market price. Caplight tracks PurpleAir's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is PurpleAir worth (valuation)?
Valuation information for PurpleAir is not publicly available.
Can I buy PurpleAir stock?
PurpleAir shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was PurpleAir's last funding round?
Funding round information for PurpleAir is not publicly available.
Who are the main investors in PurpleAir?
Investor information for PurpleAir is not publicly disclosed.
Will PurpleAir IPO soon?
No public IPO plans have been announced for PurpleAir.
How can I track PurpleAir secondary market activity?
Caplight tracks bids, offers, and trades in PurpleAir's shares on secondary markets.