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Topic: Ozone

A NOAA ozonesonde -- an instrument used to help scientists monitor the Antarctic ozone hole -- ascends over the South Pole in this time-lapse photo taken October 21, 2020. Ideal weather conditions helped create a large, persistent ozone hole that will last into November 2020.

Montreal Protocol emerges as a powerful climate treaty

January 11, 2023

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A NOAA ozonesonde -- an instrument used to help scientists monitor the Antarctic ozone hole -- ascends over the South Pole in this time-lapse photo taken October 21, 2020. Ideal weather conditions helped create a large, persistent ozone hole that will last into November 2020.

The view from an ozone balloon floating 100,000 feet above the Colorado Front Range. NOAA scientists based in Boulder, Colorado launch weekly balloons from sites all around the globe to monitor stratospheric ozone concentrations. Floating to over twice the altitude of commercial airliners, the curvature of Earth and inky black of space are clearly visible.

4 facts you might not know about ozone and the Montreal Protocol

January 10, 2023

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The view from an ozone balloon floating 100,000 feet above the Colorado Front Range. NOAA scientists based in Boulder, Colorado launch weekly balloons from sites all around the globe to monitor stratospheric ozone concentrations. Floating to over twice the altitude of commercial airliners, the curvature of Earth and inky black of space are clearly visible.

A NOAA ozonesonde -- an instrument used to help scientists monitor the Antarctic ozone hole -- ascends over the South Pole in this time-lapse photo taken October 21, 2020. Ideal weather conditions helped create a large, persistent ozone hole that will last into November 2020.

Antarctic ozone hole slightly smaller in 2022

October 26, 2022

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A NOAA ozonesonde -- an instrument used to help scientists monitor the Antarctic ozone hole -- ascends over the South Pole in this time-lapse photo taken October 21, 2020. Ideal weather conditions helped create a large, persistent ozone hole that will last into November 2020.

Ozone hole and ozone concentration over Antarctica on October 7, 2021.

Path to ozone layer recovery reaches milestone

August 23, 2022

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Ozone hole and ozone concentration over Antarctica on October 7, 2021.

SpaceX Falcon rocket launch of Arabsat-6A satellite from Kennedy Space Center, April 11, 2021.

Projected increase in space travel may damage ozone layer

June 21, 2022

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SpaceX Falcon rocket launch of Arabsat-6A satellite from Kennedy Space Center, April 11, 2021.

Visualization from NOAA's FV-Chem model that simulates how winds distribute smoke from fires in Siberia and North America around the northern hemisphere.

Smoke from wildfires influences ozone pollution on a global scale

February 9, 2022

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Visualization from NOAA's FV-Chem model that simulates how winds distribute smoke from fires in Siberia and North America around the northern hemisphere.

The Hudson River in NYC covered in smog.

Deodorant smells nice, but it's making cities smoggy

August 3, 2021

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The Hudson River in NYC covered in smog.

This image shows the ozone concentration over Antarctica for the week of September 14–20, 2020. Experts define the "ozone hole" as the area in which ozone levels are below 220 Dobson Units (dark blue, marked with black triangle on the color bar).

Emissions of banned ozone-depleting gas are back on the decline

February 10, 2021

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greenhouse gases

This image shows the ozone concentration over Antarctica for the week of September 14–20, 2020. Experts define the "ozone hole" as the area in which ozone levels are below 220 Dobson Units (dark blue, marked with black triangle on the color bar).

A NOAA ozonesonde -- an instrument used to help scientists monitor the Antarctic ozone hole -- ascends over the South Pole in this time-lapse photo taken October 21, 2020. Ideal weather conditions helped create a large, persistent ozone hole that will last into November 2020.

Large, deep Antarctic ozone hole to persist into November

October 30, 2020

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climate science

A NOAA ozonesonde -- an instrument used to help scientists monitor the Antarctic ozone hole -- ascends over the South Pole in this time-lapse photo taken October 21, 2020. Ideal weather conditions helped create a large, persistent ozone hole that will last into November 2020.

NOAA satellites observed an ozone hole developing over the Arctic March 10, 2020. In this snapshot, places where ozone amounts are less than 280 Dobson Units are shown in red.

Spring 2020 brings rare ozone 'hole' over the Arctic

April 29, 2020

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NOAA satellites observed an ozone hole developing over the Arctic March 10, 2020. In this snapshot, places where ozone amounts are less than 280 Dobson Units are shown in red.

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