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            "id": 5325,
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            "page_type": "Visualization",
            "title": "Tropspheric NO2 Column over Eastern United States, 2015-2023",
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            "release_date": "2024-06-19T00:00:00-04:00",
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                "alt_text": "Tropspheric NO2 column over Eastern United States, 2015-2023",
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        {
            "id": 4872,
            "url": "https://svs.gsfc.nasa.gov/4872/",
            "page_type": "Visualization",
            "title": "Deviation of Modeled Normal Pollution Levels from Measurements Following COVID-19 Lockdown",
            "description": "Deviation from modeled normal nitrogen dioxide levels after COVID-19 lockdowns || covid_19_7_day_no2.0810_print.jpg (1024x576) [207.7 KB] || covid_19_7_day_no2.0810_searchweb.png (320x180) [83.4 KB] || covid_19_7_day_no2.0810_thm.png (80x40) [6.4 KB] || 1920x1080_16x9_30p (1920x1080) [0 Item(s)] || covid_19_7_day_no2_1080p30.mp4 (1920x1080) [25.3 MB] || covid_19_7_day_no2_1080p30.webm (1920x1080) [5.0 MB] || covid_19_7_day_no2_1080p30.mp4.hwshow [192 bytes] || ",
            "release_date": "2020-11-17T00:00:00-05:00",
            "update_date": "2025-01-06T00:18:39.686127-05:00",
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        {
            "id": 4799,
            "url": "https://svs.gsfc.nasa.gov/4799/",
            "page_type": "Visualization",
            "title": "Sources of Methane",
            "description": "This 3D volumetric visualization shows the emission and transport of atmospheric methane around the globe between December 9, 2017 and December 1, 2018.Music:  \"Motion Blur\" by Sam Dobson [PRS]Complete transcript available.This video is also available on our YouTube channel. || Global_methane_narrated.1416_print.jpg (1024x576) [171.2 KB] || composite (1920x1080) [0 Item(s)] || MethaneNarrationSM.webm (1920x1080) [15.5 MB] || MethaneNarrationSM.mp4 (1920x1080) [171.1 MB] || MethaneCaptionsenUS.en_US.srt [2.0 KB] || MethaneCaptionsenUS.en_US.vtt [2.0 KB] || MethaneNarration.mov (1920x1080) [1.6 GB] || ",
            "release_date": "2020-07-09T14:00:00-04:00",
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            "title": "New-Generation Satellite Observations Monitor Air Pollution During COVID-19 Lockdown Measures in California",
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            "release_date": "2020-05-08T00:00:00-04:00",
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        },
        {
            "id": 4810,
            "url": "https://svs.gsfc.nasa.gov/4810/",
            "page_type": "Visualization",
            "title": "Reductions in Pollution Associated with Decreased Fossil Fuel Use Resulting from COVID-19 Mitigation",
            "description": "Over the past several weeks, the United States has seen significant reductions in air pollution over its major metropolitan areas. Similar reductions in air pollution have been observed in other regions of the world. || Tropospheric NO2 Column, Animated GIF || cropped_NO2_2019_2020.gif (848x862) [54.4 MB] || cropped_NO2_2019_2020_print.jpg (1024x1040) [318.2 KB] || cropped_NO2_2019_2020_searchweb.png (320x180) [102.2 KB] || ",
            "release_date": "2020-04-24T00:00:00-04:00",
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                "media_type": "Image",
                "alt_text": "Tropospheric NO2 Column, March 2020, Northeast USA, No Labels",
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        },
        {
            "id": 4819,
            "url": "https://svs.gsfc.nasa.gov/4819/",
            "page_type": "Visualization",
            "title": "Earth Day 2020: GEOS-5 Modeled Cloud Cover",
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            "release_date": "2020-04-20T00:00:00-04:00",
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                "alt_text": "GEOS-5 Modeled Cloud Cover, With LabelsThis video is also available on our YouTube channel.",
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        },
        {
            "id": 31100,
            "url": "https://svs.gsfc.nasa.gov/31100/",
            "page_type": "Hyperwall Visual",
            "title": "Global Transport of Smoke from Australian Bushfires",
            "description": "Animation of global aerosols from August 1, 2019 to January 29, 2020 || australia_fire_smoke_print.jpg (1024x576) [184.6 KB] || australia_fire_smoke.png (3840x2160) [8.2 MB] || australia_fire_smoke_searchweb.png (180x320) [104.5 KB] || australia_fire_smoke_thm.png (80x40) [7.7 KB] || australia_fire_smoke_720p.webm (1280x720) [11.3 MB] || australia_fire_smoke_1080p.mp4 (1920x1080) [228.5 MB] || AerosolFrames (10080x5043) [0 Item(s)] || AerosolFrames (5760x3240) [0 Item(s)] || australia_fire_smoke_2160p.mp4 (3840x2160) [688.8 MB] || ",
            "release_date": "2020-03-30T00:00:00-04:00",
            "update_date": "2025-01-05T00:34:17.425660-05:00",
            "main_image": {
                "id": 387538,
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                "media_type": "Image",
                "alt_text": "Animation of global aerosols from August 1, 2019 to January 29, 2020",
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            }
        },
        {
            "id": 4754,
            "url": "https://svs.gsfc.nasa.gov/4754/",
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            "title": "The Complex Chemistry of Surface Ozone Depicted in a New GEOS Simulation",
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