Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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Rare gases, not elsewhere specified (other than argon)

In short

  • The US imported $141.1M of this product over the 12 months to August 2026, up 8.7% on the year before.
  • Canada is the largest supplier, with 56.1% of US imports; Ukraine is next, with 15.9%.
  • China is the cheapest main supplier before and after freight and duty, landing at $10,827/1,000 m³.
  • Duty paid averaged 1.8% of the value of imports in August 2026, down 0.3 points on a year earlier.
  • Qatar is gaining share: 27.9% over the last 12 months, up from 7.8%.
  • 3 Federal Register notices named this product's tariff codes in the last 12 months.

US imports, Aug 2026

$11.0M

↑ +18% vs Aug 2025

Last 12 months

$141.1M

↑ +8.7% vs the 12 months before

Average duty paid

1.8%

↓ −0.3 pts vs Aug 2025

Top supplier

Canada

56.1% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugChina ↓
Show the numbers
MonthUS imports
August 2025$9.3M
September 2025$10.5M
October 2025$10.1M
November 2025$8.0M
December 2025$8.3M
January 2026$15.5M
February 2026$14.1M
March 2026$17.6M
April 2026$13.3M
May 2026$11.8M
June 2026$11.3M
July 2026$9.6M
August 2026$11.0M

What changed

  • US imports were $11.0M in August 2026, up 15% from July 2026 and up 18% from August 2025.
  • Over the 12 months to August 2026 they totalled $141.1M, up 8.7% on the 12 months before.
  • Biggest moves in market share since July 2026: Ukraine up from 1.2% to 15.9%, France down from 9.1% to 0.1%.
  • Average price from Ukraine rose 236% since July 2026, to $13,009/1,000 m³.
  • Duty paid on imports from Ukraine fell from 13.7% to 3.7% of their value since July 2026.

US trade by year

US imports were $141.1M in the 12 months to Aug 2026, up 113% on the 12 months to Aug 2017. US exports were $742.0M, up 77%. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

2017201820192020202120222023202420252026China ↓China ↑China ↓China ↑
Show the numbers
PeriodUS imports
12 months to Aug 2017$66.1M
12 months to Aug 2018$66.2M
12 months to Aug 2019$69.0M
12 months to Aug 2020$69.0M
12 months to Aug 2021$85.8M
12 months to Aug 2022$119.7M
12 months to Aug 2023$164.1M
12 months to Aug 2024$154.7M
12 months to Aug 2025$129.9M
12 months to Aug 2026$141.1M
  • Canada
  • Qatar
  • Portugal
  • China
  • All countries
Share of US imports
Show the numbers
PeriodCanadaQatarPortugalChina
12 months to Aug 20176.7%36.1%6.0%10.2%
12 months to Aug 20183.3%38.6%4.4%5.2%
12 months to Aug 20190.7%56.3%0.0%0.9%
12 months to Aug 20205.6%29.2%0.0%4.0%
12 months to Aug 202117.6%28.8%0.0%6.5%
12 months to Aug 202226.2%28.7%0.0%13.1%
12 months to Aug 202332.9%7.9%0.0%19.4%
12 months to Aug 202457.5%11.2%0.0%3.7%
12 months to Aug 202568.8%7.8%0.0%7.6%
12 months to Aug 202650.5%27.9%5.8%4.6%
Duty paid, % of value
Show the numbers
PeriodCanadaQatarPortugalChinaAll countries
12 months to Aug 20170.0%3.7%3.7%3.7%2.9%
12 months to Aug 20180.0%3.7%3.7%3.7%3.1%
12 months to Aug 20190.0%3.7%n/a6.6%3.5%
12 months to Aug 20200.0%3.7%n/a21.0%3.8%
12 months to Aug 20210.0%3.7%n/a27.1%4.3%
12 months to Aug 20220.0%3.7%n/a9.3%3.3%
12 months to Aug 20230.0%3.7%n/a9.8%3.4%
12 months to Aug 20240.1%3.7%n/a12.1%2.0%
12 months to Aug 20250.2%3.0%n/a15.5%2.1%
12 months to Aug 20260.1%2.1%6.8%14.5%2.0%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$141.1M+8.7%2.0%−0.1 pts$742.0M+52%
12 months to Aug 2025$129.9M−16%2.1%+0.2 pts$487.0M−8.8%
12 months to Aug 2024$154.7M−5.7%2.0%−1.5 pts$534.0M−0.1%
12 months to Aug 2023$164.1M+37%3.4%+0.2 pts$534.5M+36%
12 months to Aug 2022$119.7M+40%3.3%−1.1 pts$393.9M−7.2%
12 months to Aug 2021$85.8M+24%4.3%+0.6 pts$424.7M−7.4%
12 months to Aug 2020$69.0M−0.1%3.8%+0.3 pts$458.5M+25%
12 months to Aug 2019$69.0M+4.3%3.5%+0.4 pts$366.3M−5.6%
12 months to Aug 2018$66.2M+0.1%3.1%+0.2 pts$387.9M−7.2%
12 months to Aug 2017$66.1M2.9%$418.2M

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
Canada$6.2M56.1%−9.7 pts$14,543/1,000 m³+7.8%0.0%0.0 pts
Ukraine$1.7M15.9%+14.9 pts$13,009/1,000 m³+240%3.7%+3.7 pts
Qatar$922K8.4%−10.0 pts$13,364/1,000 m³−40%3.7%+3.7 pts
Portugal$741K6.7%new$20,029/1,000 m³3.7%
United Kingdom$605K5.5%+1.6 pts$31,837/1,000 m³−47%1.7%+1.7 pts
Germany$254K2.3%−0.7 pts$18,144/1,000 m³+9.4%3.7%+3.7 pts
Algeria$203K1.8%+1.6 pts$20,290/1,000 m³+2.7%3.7%+3.7 pts
China$122K1.1%−4.5 pts$30,545/1,000 m³+87%28.7%−7.9 pts
Other countries (5)$240K2.2%+0.9 pts$14,990/1,000 m³−50%2.8%+2.8 pts
All countries$11.0M100.0%$15,126/1,000 m³+0.3%1.8%−0.3 pts

The 3 largest suppliers had 84.2% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
China$9,380/1,000 m³$153.96/1,000 m³1.6% of price$1,293/1,000 m³13.8% of price$10,827/1,000 m³−69%
Ukraine$11,338/1,000 m³$30.24/1,000 m³0.3% of price$490.40/1,000 m³4.3% of price$11,859/1,000 m³+66%
Qatar$11,755/1,000 m³$133.80/1,000 m³1.1% of price$432.80/1,000 m³3.7% of price$12,322/1,000 m³−45%
Canada$14,887/1,000 m³$42.79/1,000 m³0.3% of price$0.95/1,000 m³0.0% of price$14,931/1,000 m³+11%
Germany$19,145/1,000 m³$1,791/1,000 m³9.4% of price$708.34/1,000 m³3.7% of price$21,644/1,000 m³+4.5%
Portugal$22,359/1,000 m³$3,069/1,000 m³13.7% of price$745.83/1,000 m³3.3% of price$26,174/1,000 m³
All countries$14,210/1,000 m³$334.14/1,000 m³2.4% of price$284.91/1,000 m³2.0% of price$14,829/1,000 m³−4.2%

Landed at a US port, China was cheapest, at $10,827/1,000 m³: 8.7% below Ukraine.

Landed cost from China fell 69% on a year earlier, to $10,827/1,000 m³, mostly on price: $24,379/1,000 m³ then, $9,380/1,000 m³ now.

How the market is shifting

Qatar gained the most share: 27.9% of US imports over the last 12 months, up from 7.8% in the 12 months before. Canada lost the most: 50.5%, down from 68.8%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

  • Canada
  • Qatar
  • Portugal
  • China
  • All countries
Share of US imports
Show the numbers
MonthCanadaQatarPortugalChina
September 202473.5%13.3%0.0%3.4%
October 202457.8%9.5%0.0%14.2%
November 202466.7%10.1%0.0%14.6%
December 202469.8%3.2%0.0%5.5%
January 202558.3%17.4%0.0%8.6%
February 202576.5%4.1%0.0%4.8%
March 202586.8%0.9%0.0%0.2%
April 202561.2%0.7%0.0%10.0%
May 202570.5%1.0%0.0%3.0%
June 202588.9%0.8%0.0%2.6%
July 202574.4%3.9%0.0%8.6%
August 202565.7%18.4%0.0%5.6%
September 202555.7%38.2%0.0%3.7%
October 202568.7%18.8%0.0%7.2%
November 202571.9%16.3%0.0%2.4%
December 202560.2%20.3%0.0%2.7%
January 202641.9%47.3%0.0%2.8%
February 202640.2%35.3%2.9%7.0%
March 202632.4%52.9%8.4%0.7%
April 202645.2%31.7%9.5%3.3%
May 202646.7%15.8%10.6%13.1%
June 202653.3%14.0%16.8%9.5%
July 202663.3%3.4%11.7%2.0%
August 202656.1%8.4%6.7%1.1%
Duty paid, % of value
Show the numbers
MonthCanadaQatarPortugalChinaAll countries
September 20240.0%3.7%n/a0.5%0.8%
October 20240.0%3.7%n/a15.0%3.1%
November 20240.0%3.7%n/a2.6%1.0%
December 20240.0%3.7%n/a2.4%1.0%
January 20250.3%3.7%n/a0.0%1.4%
February 20250.0%3.7%n/a21.4%1.8%
March 20251.8%3.7%n/a0.0%2.1%
April 20250.0%3.0%n/a32.4%4.3%
May 20250.0%3.7%n/a41.0%2.7%
June 20250.0%3.7%n/a44.1%1.4%
July 20250.0%0.0%n/a40.9%4.3%
August 20250.0%0.0%n/a36.6%2.1%
September 20250.0%0.0%n/a32.6%1.3%
October 20250.0%0.7%n/a28.5%2.2%
November 20250.0%0.0%n/a33.6%0.9%
December 20250.0%0.0%n/a22.6%0.9%
January 20260.2%0.0%n/a10.2%0.4%
February 20260.4%2.6%13.8%1.6%2.0%
March 20260.0%3.7%13.5%27.0%3.6%
April 20260.4%3.7%10.4%13.4%3.1%
May 20260.0%3.7%3.7%8.9%2.5%
June 20260.0%3.7%3.7%10.7%2.5%
July 20260.0%3.5%2.5%21.8%1.6%
August 20260.0%3.7%3.7%28.7%1.8%

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

  1. January 2026 · Duty paid: China 30.8% → 12.8%.
  2. March 2025 · Duty paid: China 2.3% → 41.6%.
  3. April 2024 · Duty paid: China 16.0% → 3.4%.
  4. May 2023 · Duty paid: China 2.5% → 27.3%.
  5. November 2022 · Duty paid: China 0.7% → 12.6%.
  6. March 2022 · Duty paid: China 27.4% → 1.3%.

Federal Register notices from the last 12 months that list this product's tariff codes. A notice can add a duty, exclude products from one or only mention them, so read each for what it changes. Search the Federal Register for 2804.29

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Raymond, MT$55.0M · 39.0%
  2. Newark, NJ$32.0M · 22.7%
  3. Norfolk-Newport News, VA$13.1M · 9.3%
  4. Los Angeles, CA$7.5M · 5.3%
  5. Sweetgrass, MT$7.2M · 5.1%

Where US exports go

US exports were $75.7M in August 2026, up 113% from August 2025, and $742.0M over the last 12 months, up 52% on the 12 months before. Fastest-growing market with 3% or more of US exports: Taiwan, up 1008%.

MarketLast 12 monthsSharevs 12 months before
Korea, South$140.4M18.9%+83%
Taiwan$130.7M17.6%+1008%
Japan$116.9M15.8%+19%
Belgium$73.8M9.9%+0.8%
China$56.5M7.6%+250%
Mexico$49.9M6.7%−2.4%
Canada$33.8M4.6%−25%
Ireland$31.1M4.2%+49%
Other countries (85)$109.0M14.7%+18%
All countries$742.0M100.0%+52%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 124 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
China$441.4Min 2025+0.9%$18.6M4.2%
France$427.6Min 2025−9.6%$12.9M3.0%
Korea, South$266.8Min 2025−14%$74.2M27.8%
Germany$257.2Min 2025+8.1%$25.6M9.9%
Taiwan$245.3Min 2024+34%$57.1M23.3%
United Kingdom$158.2Min 2025+2.5%$16.2M10.2%
Japan$155.9Min 2025−17%$99.3M63.7%
Singapore$103.6Min 2025+8.1%$3.6M3.5%

The biggest market outside the US is China, which imported $441.4M of this product in 2025, 4.2% of that from the US.

The US supplies 27.8% of imports into South Korea and 63.7% into Japan, but under 10% into China, France and Germany.

Of these, imports into Taiwan grew fastest: up 34% from 2023 to 2024.

Other products under heading 2804: hydrogen, rare gases and other nonmetals. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Silicon, containing by weight not less than 99.99% of siliconHS 2804.61$162.6M$1.07B
Silicon, containing by weight less than 99.99% of siliconHS 2804.69$468.0M$18.6M
HydrogenHS 2804.10$99.7M$15.2M
PhosphorusHS 2804.70$16.5M$91.6M
ArgonHS 2804.21$25.8M$28.6M
NitrogenHS 2804.30$6.1M$38.4M
Boron; telluriumHS 2804.50$6.0M$15.2M
SeleniumHS 2804.90$14.8M$5.3M
About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (thousands of cubic metres), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Tariff notices are from the Federal Register, matched to this product by the HTS numbers in their text.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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