Rain Enhancement Technologies Expands Research into Air Quality and Smog Mitigation

Rhea-AI Summary

Rain Enhancement Technologies (NASDAQ:RAIN) announced a research initiative on February 5, 2026, to test whether its proven ionization technology can remove harmful airborne particulate matter via controlled "dry deposition."

The study will run controlled experiments with academic and industry advisors to measure whether charging particles causes them to settle to ground, complementing existing wet-deposition approaches. The research is early-stage and subject to successful testing and validation; no commercial outcome is assured.

Market Reaction

+8.41% $2.38

15m delay 5 alerts

+8.41% Since News

$2.38 Last Price

$2.21 $2.40 Day Range

+$2M Valuation Impact

$20M Market Cap

0.3x Rel. Volume

Following this news, RAIN has gained 8.41%, reflecting a notable positive market reaction. Our momentum scanner has triggered 5 alerts so far, indicating moderate trading interest and price volatility. The stock is currently trading at $2.38. This price movement has added approximately $2M to the company's valuation.

Data tracked by StockTitan Argus (15 min delayed). Upgrade to Silver for real-time data.

Key Figures

PM 2.5 size threshold: 2.5 micrometers or smaller Relative to human hair: 30 times smaller

2 metrics

PM 2.5 size threshold 2.5 micrometers or smaller Fine particulate matter definition in air pollution discussion

Relative to human hair 30 times smaller Size of PM 2.5 compared with human hair diameter

Market Reality Check

Price: $2.20 Vol: Volume 5,054 is 0.33x the...

low vol

$2.20 Last Close

Volume Volume 5,054 is 0.33x the 20-day average of 15,298, indicating muted trading interest ahead of the news. low

Technical Shares at $2.20 are trading below the $4.51 200-day moving average, reflecting a longer-term downtrend.

Peers on Argus

RAIN fell 2.44% with light volume while key peers SCWO, ZONE and FTEK declined b...

RAIN fell 2.44% with light volume while key peers SCWO, ZONE and FTEK declined between 4–10%, suggesting broader sector softness but no momentum-flagged sector move.

Historical Context

5 past events · Latest: Dec 18 (Positive)

Pattern 5 events

Date	Event	Sentiment	Move	Catalyst
Dec 18	Board appointment	Positive	+9.6%	Added experienced public-company CFO to board as commercialization scales globally.
Dec 16	U.S. trial update	Positive	-2.0%	Reported early positive indications from first two U.S. WETA installations.
Nov 18	Utah installation launch	Positive	-17.6%	Secured Utah permit and began operations for second U.S. ionization system.
Nov 11	Colorado installation launch	Positive	+10.3%	Started first U.S. WETA operations in Colorado under new state permit.
Nov 07	Nasdaq compliance	Positive	+1.6%	Regained Nasdaq listing compliance via transfer to Nasdaq Capital Market tier.

Pattern Detected

Operational and governance positives have often led to mixed reactions, with some installation updates selling off despite positive framing while board and permit milestones saw gains.

Recent Company History

Over the past few months, RAIN has focused on U.S. deployment and capital markets stability. In November 2025, it regained Nasdaq compliance and shifted to the Capital Market tier. It then launched its first Colorado WETA installation and a second system in Utah, each targeting 15–18% precipitation enhancement over up to 360 square miles. A December board appointment added public-company experience. Today’s air-quality research expansion builds on this ionization platform beyond water security.

Market Pulse Summary

The stock is up +8.4% following this news. A strong positive reaction aligns with RAIN’s pattern of ...

Analysis

The stock is up +8.4% following this news. A strong positive reaction aligns with RAIN’s pattern of occasionally sharp moves on technology milestones, such as prior installation launches. The announcement extends its ionization platform into air-quality and smog mitigation, but regulatory filings highlight limited cash, working capital deficits, and a going concern warning. Investors would need to weigh enthusiasm for new applications against funding dependence and lack of current revenue.

Key Terms

ionization, dry deposition, pm 2.5, particulate matter, +1 more

5 terms

ionization technical

"research initiative to explore whether its proven ionization technology can remove"

Ionization is the process by which atoms or molecules gain or lose electrical charge, creating charged particles called ions; this happens when energy knocks electrons off or adds extra electrons. Investors care because ionization affects how products and processes behave — from drug manufacturing and diagnostic tests to sensors, pollution control, and semiconductor fabrication — much like how changing the charge on a battery alters how devices operate, which can influence a product’s performance, safety, regulatory approval, and market value.

dry deposition technical

"remove harmful particulate matter from the atmosphere through a process known as "dry deposition""

Dry deposition is the process where airborne particles and gases settle out of the air and accumulate on land, buildings, vegetation or water surfaces without rain or snow, driven by gravity and wind. It matters to investors because this slow buildup of pollutants can harm assets, raise cleanup and compliance costs, reduce property or crop value, and signal ongoing environmental or regulatory risks—like dust quietly coating and corroding equipment over time.

pm 2.5 medical

"fine particulate matter (PM 2.5) posing severe health risks. PM 2.5 refers"

PM2.5 are tiny airborne particles no more than 2.5 micrometers across—about 30 times smaller than the width of a human hair—that can penetrate deep into lungs and enter the bloodstream. Investors care because high PM2.5 levels drive health costs, regulatory limits, and consumer behavior, and can trigger fines, operational restrictions or liability for businesses tied to manufacturing, energy, transport, real estate and public health-related sectors.

particulate matter medical

"particulate matter (PM 2.5) posing severe health risks. PM 2.5 refers"

Tiny solid or liquid particles suspended in the air—think of dust, soot, smoke or droplets—that come from sources like vehicle exhaust, factories, construction and wildfires. Investors care because these particles drive health and environmental regulations, can lead to fines, cleanup costs or restricted operations, and create demand for pollution-control technologies; like sand in machinery, high levels can disrupt business and affect a company’s costs and reputation.

aerosol distribution medical

"Our previous research has shown that ionization can affect aerosol distribution in the atmosphere."

Aerosol distribution is how tiny liquid or solid particles suspended in air are spread and settle when emitted from a device or source — imagine how perfume fills and drifts across a room. Investors care because it affects product safety, effectiveness, regulatory approval, manufacturing controls, and liability: how particles travel determines whether a drug delivery method, industrial process, or consumer product meets health rules and market acceptance.

AI-generated analysis. Not financial advice.

New Research Initiative to Test if Ionization Can Remove Harmful Particles From the Atmosphere Before People Breathe Them

NAPLES, FLORIDA / ACCESS Newswire / February 5, 2026 / Rain Enhancement Technologies Holdco, Inc. (NASDAQ:RAIN) today announced a research initiative to explore whether its proven ionization technology can remove harmful airborne pollution from the atmosphere. The concept is to use ionization to charge tiny particles suspended in smog and pull them to the ground, rather than leaving them in the air where they can be inhaled into lungs. The research represents a new application of the same technology RET uses to enhance rainfall and snowpack.

This initiative represents a natural extension of RET's successful ionization technology, which has demonstrated measurable precipitation enhancement results. The research will investigate how the same ionization principles that enhance rainfall and snowpack can potentially be applied to remove harmful particulate matter from the atmosphere through a process known as "dry deposition."

"This research initiative exemplifies our strategic advantage of maintaining a comprehensive team of scientific advisors who guide us through all phases of operations," said Randy Seidl, CEO of Rain Enhancement Technologies. "Our advisor-driven approach to innovation enables us to identify and pursue promising applications of our core technology, ensuring that RET continues to expand its environmental impact while building on proven scientific foundations."

The research is being conducted in collaboration with leading experts Dr. Arquímedes Ruiz-Columbié, an atmospheric scientist, and Dr. Daniel Martin, both recognized specialists in ionization technology and weather modification. Dr. Ruiz-Columbié serves as Senior Lecturer at Texas Tech University and President of Active Influence and Scientific Management. Dr. Martin is President/CEO of Pluvium, LLC and a retired Research Engineer with USDA-ARS.

"The same ionization technology that successfully enhances precipitation can theoretically be applied to attract airborne particulate matter and bring it to the ground," said Dr. Daniel Martin, Technical Advisor to Rain Enhancement Technologies. "This represents a promising approach to addressing one of the world's most pressing environmental challenges."

Air pollution affects billions worldwide, with fine particulate matter (PM 2.5) posing severe health risks. PM 2.5 refers to particles 2.5 micrometers or smaller in diameter-about 30 times smaller than human hair and invisible to the naked eye. These combustion-derived particles from vehicles, power plants, and wildfires can remain suspended in the air for days and penetrate deep into the lungs and bloodstream, causing cardiovascular and respiratory diseases. Traditional air pollution mitigation approaches have limitations, and there is growing global interest in innovative solutions for urban air quality management.

"Rather than having harmful particles suspended in the air where they can be inhaled into lungs, this approach would bring them to ground level through controlled deposition," said Dr. Arquímedes Ruiz-Columbié, Meteorological Advisor to Rain Enhancement Technologies. "Our previous research has shown that ionization can affect aerosol distribution in the atmosphere."

RET's ground-based "dry deposition" approach using WETA ionization technology could complement existing "wet deposition" methods, with different environmental conditions potentially favoring different technological approaches. The research will include controlled experiments to measure effectiveness and validate the scientific approach.

"This initiative demonstrates RET's commitment to expanding environmental applications beyond water security," said Scott Morris, Chief Technical Officer of Rain Enhancement Technologies. "We're exploring how our proven ionization platform can address multiple environmental challenges while maintaining our focus on sustainable, chemical-free technology."

The research is in early stages and subject to successful testing and validation. No assurance can be given that this research will result in commercial applications.

About Rain Enhancement Technologies, Inc.

Rain Enhancement Technologies was founded to provide the world with reliable access to water, one of life's most important resources. To achieve this mission, RET develops, manufactures, and commercializes ionization precipitation generation technology that enhances rainfall and snowpack to address water scarcity challenges. The Company is also developing applications for fog mitigation to expand its weather modification capabilities. RET's chemical-free, solar-powered technology seeks to transform water resource management for businesses, society, and the planet. To learn more, go to www.investor.rainenhancement.com.

Forward-Looking Statements

The disclosure herein includes certain statements that are not historical facts but are forward-looking statements for purposes of the safe harbor provisions under the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements generally are accompanied by words such as "believe," "may," "will," "estimate," "continue," "anticipate," "intend," "expect," "should," "would," "plan," "project," "forecast," "predict," "potential," "seem," "seek," "future," "outlook," and similar expressions that predict or indicate future events or trends or that are not statements of historical matters, but the absence of these words does not mean that a statement is not forward looking. These forward-looking statements include, but are not limited to, statements regarding the potential applications and benefits of the Company's research initiative and technology. These statements are based on various assumptions and on the current expectations of RET's management and are not predictions of actual performance. These forward-looking statements are provided for illustrative purposes only and are not intended to serve as, and must not be relied on by any investor as, a guarantee, an assurance, a prediction, or a definitive statement of fact or probability. Actual events and circumstances are difficult or impossible to predict and will differ from assumptions. Many actual events and circumstances are beyond the control of RET. If any of these risks materialize or our assumptions prove incorrect, actual results could differ materially from the results implied by these forward-looking statements. In addition, forward-looking statements reflect RET's expectations, plans, or forecasts of future events and views as of the date of this press release. RET anticipates that subsequent events and developments will cause RET's assessments to change. However, while RET may elect to update these forward-looking statements at some point in the future, RET specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing RET's assessments as of any date subsequent to the date of this press release. Accordingly, undue reliance should not be placed upon the forward-looking statements.

Media Contacts

Neal Stein
Technology PR Solutions
321-473-7407
nealjstein@techprsolutions.com

Linda Maynard
Rain Enhancement Technologies
(617) 869-4832
linda@rainenhancement.com

SOURCE: Rain Enhancement Technologies

View the original press release on ACCESS Newswire

FAQ

What is Rain Enhancement Technologies (RAIN) researching about air quality on February 5, 2026?

Rain Enhancement Technologies is researching whether its ionization system can remove particulate pollution by inducing dry deposition. According to the company, the initiative will run controlled experiments with scientific advisors to test if charged particles can be pulled to ground rather than remain airborne.

How would RAIN's ionization technology potentially reduce PM2.5 pollution?

The technology aims to charge tiny particles so they aggregate and deposit to ground instead of staying suspended. According to the company, the approach applies the same ionization principles used for precipitation enhancement to affect aerosol distribution and encourage controlled ground-level deposition.

Who is collaborating with Rain Enhancement Technologies on the air quality research (RAIN)?

Rain Enhancement Technologies is collaborating with Dr. Arquímedes Ruiz-Columbié and Dr. Daniel Martin as scientific advisors on the project. According to the company, both are recognized specialists in ionization and atmospheric science and will guide controlled experiments and validation efforts.

Does RAIN guarantee the research will lead to commercial air‑quality solutions?

No, the company does not guarantee commercial outcomes from the research, which is described as early-stage and subject to validation. According to the company, successful testing is required before any commercial applications can be expected or confirmed.