Cloud seeding aircraft dispersing flares over mountain range
Real-Time Monitoring

ChemTrail.app

US Cloud Seeding Operations Tracker

Track cloud seeding aircraft, monitor active programs, and explore comprehensive data on weather modification operations across the United States.

Active Flights

0

Operators

0

Aircraft Types

0

Chemicals

0

Active Programs

0

IMPORTANT

Environmental Risks

What are the known and unknown risks of spraying chemicals into our atmosphere? Explore impacts on human health, soil ecosystems, and wildlife.

Human Health Soil Impact Wildlife
Read the full risk assessment
IMPORTANT

Legal Ramifications

Cloud seeding programs operate with no public consent. Who gave them the right to spray chemicals into our skies? Explore the constitutional questions and regulatory gaps.

Civil Rights Consent Legal Gaps
Explore the legal analysis

Live Flight Tracking

Full Map

Active Flights

N365JC
returning

Beechcraft King Air

Sierra Nevada Snowpack Program

21,975 ft
233 kts
320°
California
Chemicals (3)
AgI•Silver IodideKI•Potassium IodideCO₂ (solid)•Dry Ice
HumanSoilWildlife
CXK1110
active

Cessna / Piper Turboprop

Precipitation Enhancement - California

10,900 ft
142 kts
164°
California
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
DAL1254
active

Modified Twin Turboprop

Precipitation Enhancement - Utah

11,300 ft
278 kts
288°
Utah
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
N827EC
active

Cessna / Piper Turboprop

Precipitation Enhancement - Colorado

13,300 ft
159 kts
86°
Colorado
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
LOST05
active

Beechcraft King Air

Precipitation Enhancement - California

12,850 ft
222 kts
157°
California
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
N729LS
active

Beechcraft King Air

Snowpack Enhancement - Colorado Mountains

20,850 ft
244 kts
42°
Colorado
Chemicals (3)
AgI•Silver IodideKI•Potassium IodideCO₂ (solid)•Dry Ice
HumanSoilWildlife
N675JZ
active

Cessna / Piper Turboprop

Precipitation Enhancement - California

10,825 ft
178 kts
139°
California
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
N166CA
active

Cessna / Piper Turboprop

Precipitation Enhancement - California

11,375 ft
172 kts
84°
California
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
UAL784
returning

Beechcraft King Air

Precipitation Enhancement - Colorado

10,025 ft
204 kts
302°
Colorado
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
N900AC
active

Cessna / Piper Turboprop

Precipitation Enhancement - Utah

10,050 ft
175 kts
314°
Utah
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
N26WR
active

Modified Twin Turboprop

Precipitation Enhancement - California

13,350 ft
274 kts
158°
California
Chemicals (3)
AgI•Silver IodideAgIO₃•Silver IodateKI•Potassium Iodide
HumanSoilWildlife
N911MN
active

Beechcraft King Air

Cloud Seeding Research Flight - South Dakota

19,100 ft
223 kts
84°
South Dakota
Chemicals (2)
AgI•Silver IodideBiI₃•Bismuth Tri-iodide
HumanSoilWildlife

Chemicals Currently Being Dispersed

Full Database
Silver IodideAgI

Dispersed by: N365JC, CXK1110, DAL1254, N827EC, LOST05, N729LS, N675JZ, N166CA, UAL784, N900AC, N26WR, N911MN

Human: At typical cloud seeding concentrations (nanograms per liter in precipitation), silver iodide poses minimal risk to huma...
Soil: Silver deposited from cloud seeding accumulates over time. While concentrations measured near seeding areas are typicall...
Wildlife: Aquatic organisms are most sensitive to silver. Fish and invertebrates can be affected at very low concentrations. Wildl...
Potassium IodideKI

Dispersed by: N365JC, CXK1110, DAL1254, N827EC, LOST05, N729LS, N675JZ, N166CA, UAL784, N900AC, N26WR

Human: Potassium iodide is generally safe at cloud seeding concentrations. It is widely used in medicine (thyroid protection). ...
Soil: KI has minimal soil impact. Potassium is a natural soil nutrient, and iodide levels from cloud seeding are typically wel...
Wildlife: KI is one of the safest cloud seeding additives for wildlife and livestock. Iodine is an essential nutrient, and seeding...
Dry IceCO₂ (solid)

Dispersed by: N365JC, N729LS

Human: Dry ice is one of the safest cloud seeding agents from an environmental toxicity perspective. Primary risks are occupati...
Soil: Dry ice has essentially no negative soil impact. It sublimates to carbon dioxide, which is naturally present in soil and...
Wildlife: Dry ice is the most environmentally benign cloud seeding agent. Risks to animals are negligible outside of extremely unl...
Silver IodateAgIO₃

Dispersed by: CXK1110, DAL1254, N827EC, LOST05, N675JZ, N166CA, UAL784, N900AC, N26WR

Human: Silver iodate is more acutely hazardous than silver iodide due to its oxidizing nature. Workers handling flares face the...
Soil: Shares the soil contamination profile of silver iodide, with additional concerns from the oxidizing iodate component and...
Wildlife: Toxicity profile similar to silver iodide with additional oxidizer concerns. Most relevant for wildlife near active flar...
Bismuth Tri-iodideBiI₃

Dispersed by: N911MN

Human: Bismuth is considered one of the least toxic heavy metals. BiI₃ was specifically developed as a less toxic alternative t...
Soil: Lower soil toxicity than silver iodide. Bismuth is relatively inert in soil environments and has minimal impact on soil ...
Wildlife: BiI₃ was developed specifically as a less environmentally harmful alternative to AgI. Toxicity data is more limited, but...

Aircraft Fleet

15 tracked aircraft types

Explore

Operators

10 active companies

Explore

Chemicals

10 seeding agents

Explore

Programs

9 active states

Explore

Active State Programs

View All

California

California Cloud Seeding Program

Snowpack enhancementPrecipitation augmentation

Colorado

Colorado Cloud Seeding Program

Snowpack enhancementWater supply augmentation

Idaho

Idaho Cloud Seeding Program

Snowpack enhancementHydroelectric water supply

Nevada

Nevada Cloud Seeding Program

Snowpack enhancementPrecipitation augmentation

New Mexico

New Mexico Cloud Seeding Program

Precipitation enhancement

North Dakota

North Dakota Cloud Modification Project

Rainfall enhancementHail suppression

Effectiveness

5-15%

Estimated seasonal precipitation increase from cloud seeding programs

Colorado River Basin

7 States

Cooperative cloud seeding program serving 40 million people

Regulation

9 States

With active, state-sanctioned cloud seeding programs in the US