Cloud Fraction & Aerosol Size

Global Map Cloud Fraction Image 1 Global Map Cloud Fraction Image 2 Global Map Cloud Fraction Image 3 Global Map Cloud Fraction Image 4 Global Map Cloud Fraction Image 5 Global Map Cloud Fraction Image 6 Global Map Cloud Fraction Image 7 Global Map Cloud Fraction Image 8 Global Map Cloud Fraction Image 9 Global Map Cloud Fraction Image 10 Global Map Cloud Fraction Image 11 Global Map Cloud Fraction Image 12 Global Map Cloud Fraction Image 13 Global Map Cloud Fraction Image 14 Global Map Cloud Fraction Image 15 Global Map Cloud Fraction Image 16 Global Map Cloud Fraction Image 17 Global Map Cloud Fraction Image 18 Global Map Cloud Fraction Image 19 Global Map Cloud Fraction Image 20 Global Map Cloud Fraction Image 21 Global Map Cloud Fraction Image 22 Global Map Cloud Fraction Image 23 Global Map Cloud Fraction Image 24 Global Map Cloud Fraction Image 25 Global Map Cloud Fraction Image 26 Global Map Cloud Fraction Image 27 Global Map Cloud Fraction Image 28 Global Map Cloud Fraction Image 29 Global Map Cloud Fraction Image 30 Global Map Cloud Fraction Image 31 Global Map Cloud Fraction Image 32 Global Map Cloud Fraction Image 33 Global Map Cloud Fraction Image 34 Global Map Cloud Fraction Image 35 Global Map Cloud Fraction Image 36 Global Map Cloud Fraction Image 37 Global Map Cloud Fraction Image 38 Global Map Cloud Fraction Image 39 Global Map Cloud Fraction Image 40 Global Map Cloud Fraction Image 41 Global Map Cloud Fraction Image 42 Global Map Cloud Fraction Image 43 Global Map Cloud Fraction Image 44 Global Map Cloud Fraction Image 45 Global Map Cloud Fraction Image 46 Global Map Cloud Fraction Image 47 Global Map Cloud Fraction Image 48 Global Map Cloud Fraction Image 49 Global Map Cloud Fraction Image 50 Global Map Cloud Fraction Image 51 Global Map Cloud Fraction Image 52 Global Map Cloud Fraction Image 53 Global Map Cloud Fraction Image 54 Global Map Cloud Fraction Image 55 Global Map Cloud Fraction Image 56 Global Map Cloud Fraction Image 57 Global Map Cloud Fraction Image 58 Global Map Cloud Fraction Image 59 Global Map Cloud Fraction Image 60 Global Map Cloud Fraction Image 61 Global Map Cloud Fraction Image 62 Global Map Cloud Fraction Image 63 Global Map Cloud Fraction Image 64 Global Map Cloud Fraction Image 65 Global Map Cloud Fraction Image 66 Global Map Cloud Fraction Image 67 Global Map Cloud Fraction Image 68 Global Map Cloud Fraction Image 69 Global Map Cloud Fraction Image 70 Global Map Cloud Fraction Image 71 Global Map Cloud Fraction Image 72 Global Map Cloud Fraction Image 73 Global Map Cloud Fraction Image 74 Global Map Cloud Fraction Image 75 Global Map Cloud Fraction Image 76 Global Map Cloud Fraction Image 77 Global Map Cloud Fraction Image 78 Global Map Cloud Fraction Image 79 Global Map Cloud Fraction Image 80 Global Map Cloud Fraction Image 81 Global Map Cloud Fraction Image 82 Global Map Cloud Fraction Image 83 Global Map Cloud Fraction Image 84 Global Map Cloud Fraction Image 85 Global Map Cloud Fraction Image 86 Global Map Cloud Fraction Image 87 Global Map Cloud Fraction Image 88 Global Map Cloud Fraction Image 89 Global Map Cloud Fraction Image 90 Global Map Cloud Fraction Image 91 Global Map Cloud Fraction Image 92 Global Map Cloud Fraction Image 93 Global Map Cloud Fraction Image 94 Global Map Cloud Fraction Image 95 Global Map Cloud Fraction Image 96 Global Map Cloud Fraction Image 97 Global Map Cloud Fraction Image 98 Global Map Cloud Fraction Image 99 Global Map Cloud Fraction Image 100 Global Map Cloud Fraction Image 101 Global Map Cloud Fraction Image 102 Global Map Cloud Fraction Image 103 Global Map Cloud Fraction Image 104 Global Map Cloud Fraction Image 105 Global Map Cloud Fraction Image 106 Global Map Cloud Fraction Image 107 Global Map Cloud Fraction Image 108 Global Map Cloud Fraction Image 109 Global Map Cloud Fraction Image 110 Global Map Cloud Fraction Image 111 Global Map Cloud Fraction Image 112 Global Map Cloud Fraction Image 113 Global Map Cloud Fraction Image 114 Global Map Cloud Fraction Image 115 Global Map Cloud Fraction Image 116 Global Map Cloud Fraction Image 117 Global Map Cloud Fraction Image 118 Global Map Cloud Fraction Image 119 Global Map Cloud Fraction Image 120 Global Map Cloud Fraction Image 121 Global Map Cloud Fraction Image 122 Global Map Cloud Fraction Image 123 Global Map Cloud Fraction Image 124 Global Map Cloud Fraction Image 125 Global Map Cloud Fraction Image 126 Global Map Cloud Fraction Image 127 Global Map Cloud Fraction Image 128 Global Map Cloud Fraction Image 129 Global Map Cloud Fraction Image 130 Global Map Cloud Fraction Image 131 Global Map Cloud Fraction Image 132 Global Map Cloud Fraction Image 133 Global Map Cloud Fraction Image 134 Global Map Cloud Fraction Image 135 Global Map Cloud Fraction Image 136 Global Map Cloud Fraction Image 137 Global Map Cloud Fraction Image 138 Global Map Cloud Fraction Image 139 Global Map Cloud Fraction Image 140 Global Map Cloud Fraction Image 141
Cloud Fraction
Cloud Fraction Scale
Aerosol Size
Aerosol Size Scale
Global Map Aerosol Size Image 1 Global Map Aerosol Size Image 2 Global Map Aerosol Size Image 3 Global Map Aerosol Size Image 4 Global Map Aerosol Size Image 5 Global Map Aerosol Size Image 6 Global Map Aerosol Size Image 7 Global Map Aerosol Size Image 8 Global Map Aerosol Size Image 9 Global Map Aerosol Size Image 10 Global Map Aerosol Size Image 11 Global Map Aerosol Size Image 12 Global Map Aerosol Size Image 13 Global Map Aerosol Size Image 14 Global Map Aerosol Size Image 15 Global Map Aerosol Size Image 16 Global Map Aerosol Size Image 17 Global Map Aerosol Size Image 18 Global Map Aerosol Size Image 19 Global Map Aerosol Size Image 20 Global Map Aerosol Size Image 21 Global Map Aerosol Size Image 22 Global Map Aerosol Size Image 23 Global Map Aerosol Size Image 24 Global Map Aerosol Size Image 25 Global Map Aerosol Size Image 26 Global Map Aerosol Size Image 27 Global Map Aerosol Size Image 28 Global Map Aerosol Size Image 29 Global Map Aerosol Size Image 30 Global Map Aerosol Size Image 31 Global Map Aerosol Size Image 32 Global Map Aerosol Size Image 33 Global Map Aerosol Size Image 34 Global Map Aerosol Size Image 35 Global Map Aerosol Size Image 36 Global Map Aerosol Size Image 37 Global Map Aerosol Size Image 38 Global Map Aerosol Size Image 39 Global Map Aerosol Size Image 40 Global Map Aerosol Size Image 41 Global Map Aerosol Size Image 42 Global Map Aerosol Size Image 43 Global Map Aerosol Size Image 44 Global Map Aerosol Size Image 45 Global Map Aerosol Size Image 46 Global Map Aerosol Size Image 47 Global Map Aerosol Size Image 48 Global Map Aerosol Size Image 49 Global Map Aerosol Size Image 50 Global Map Aerosol Size Image 51 Global Map Aerosol Size Image 52 Global Map Aerosol Size Image 53 Global Map Aerosol Size Image 54 Global Map Aerosol Size Image 55 Global Map Aerosol Size Image 56 Global Map Aerosol Size Image 57 Global Map Aerosol Size Image 58 Global Map Aerosol Size Image 59 Global Map Aerosol Size Image 60 Global Map Aerosol Size Image 61 Global Map Aerosol Size Image 62 Global Map Aerosol Size Image 63 Global Map Aerosol Size Image 64 Global Map Aerosol Size Image 65 Global Map Aerosol Size Image 66 Global Map Aerosol Size Image 67 Global Map Aerosol Size Image 68 Global Map Aerosol Size Image 69 Global Map Aerosol Size Image 70 Global Map Aerosol Size Image 71 Global Map Aerosol Size Image 72 Global Map Aerosol Size Image 73 Global Map Aerosol Size Image 74 Global Map Aerosol Size Image 75 Global Map Aerosol Size Image 76 Global Map Aerosol Size Image 77 Global Map Aerosol Size Image 78 Global Map Aerosol Size Image 79 Global Map Aerosol Size Image 80 Global Map Aerosol Size Image 81 Global Map Aerosol Size Image 82 Global Map Aerosol Size Image 83 Global Map Aerosol Size Image 84 Global Map Aerosol Size Image 85 Global Map Aerosol Size Image 86 Global Map Aerosol Size Image 87 Global Map Aerosol Size Image 88 Global Map Aerosol Size Image 89 Global Map Aerosol Size Image 90 Global Map Aerosol Size Image 91 Global Map Aerosol Size Image 92 Global Map Aerosol Size Image 93 Global Map Aerosol Size Image 94 Global Map Aerosol Size Image 95 Global Map Aerosol Size Image 96 Global Map Aerosol Size Image 97 Global Map Aerosol Size Image 98 Global Map Aerosol Size Image 99 Global Map Aerosol Size Image 100 Global Map Aerosol Size Image 101 Global Map Aerosol Size Image 102 Global Map Aerosol Size Image 103 Global Map Aerosol Size Image 104 Global Map Aerosol Size Image 105 Global Map Aerosol Size Image 106 Global Map Aerosol Size Image 107 Global Map Aerosol Size Image 108 Global Map Aerosol Size Image 109 Global Map Aerosol Size Image 110 Global Map Aerosol Size Image 111 Global Map Aerosol Size Image 112 Global Map Aerosol Size Image 113 Global Map Aerosol Size Image 114 Global Map Aerosol Size Image 115 Global Map Aerosol Size Image 116 Global Map Aerosol Size Image 117 Global Map Aerosol Size Image 118 Global Map Aerosol Size Image 119 Global Map Aerosol Size Image 120 Global Map Aerosol Size Image 121 Global Map Aerosol Size Image 122 Global Map Aerosol Size Image 123 Global Map Aerosol Size Image 124 Global Map Aerosol Size Image 125 Global Map Aerosol Size Image 126 Global Map Aerosol Size Image 127 Global Map Aerosol Size Image 128 Global Map Aerosol Size Image 129 Global Map Aerosol Size Image 130 Global Map Aerosol Size Image 131 Global Map Aerosol Size Image 132 Global Map Aerosol Size Image 133 Global Map Aerosol Size Image 134 Global Map Aerosol Size Image 135 Global Map Aerosol Size Image 136 Global Map Aerosol Size Image 137 Global Map Aerosol Size Image 138 Global Map Aerosol Size Image 139 Global Map Aerosol Size Image 140 Global Map Aerosol Size Image 141

The cloud maps show what fraction of an area was cloudy on average for the month. The measurements were collected by the MODIS sensors on NASA's Terra and Aqua satellites. Colors range from blue (no clouds) to white (totally cloudy).

Earth’s atmosphere contains tiny liquid and solid particles called aerosols. Natural aerosol particles, such as dust and sea salt, tend to be larger than human-produced aerosols, such as particle pollution from burning fossil fuels. These aerosol size maps are based on data from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite. Green areas show where the aerosols that were present were mostly larger particles. Red areas show where aerosols consisted mostly of small particles. Yellow areas show plumes with an even mix of small and large particles. Gray shows where the sensor did not collect data.

View, download, or analyze more of these data from NASA Earth Observations (NEO):
Cloud Fraction
Aerosol Size