(ongoing) Heat wave occuring from August 18 2026 to August 23 2026 at 37.5°N 105.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China

Duration: 6 days

Time span: August 18 2026 to August 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 25.1 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 29.3 °C

Event center: 37.5°N 105.0°E

Area affected: 277249 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Aug-18_to_2026-Aug-23_105.0_37.5

(ongoing) Heat wave occuring from October 16 2022 to August 23 2026 at -3.5°S 25.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Angola
  • Antarctica
  • Argentina
  • Armenia
  • Aruba
  • Australia
  • Austria
  • Azerbaijan
  • Azores
  • Bahamas
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Belize
  • Benin
  • Bhutan
  • Bolivia
  • Bosnia and Herzegovina
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Canarias
  • Central African Republic
  • Chad
  • Chile
  • China
  • Colombia
  • Congo
  • Congo DRC
  • Costa Rica
  • Croatia
  • Cuba
  • Cyprus
  • Czech Republic
  • Côte d’Ivoire
  • Denmark
  • Djibouti
  • Dominican Republic
  • Ecuador
  • Egypt
  • El Salvador
  • Equatorial Guinea
  • Eritrea
  • Estonia
  • Eswatini
  • Ethiopia
  • Falkland Islands
  • Faroe Islands
  • Fiji
  • Finland
  • France
  • French Guiana
  • French Southern Territories
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Greenland
  • Guatemala
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Honduras
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Iran
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Jamaica
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Kuwait
  • Kyrgyzstan
  • Laos
  • Latvia
  • Lebanon
  • Lesotho
  • Liberia
  • Libya
  • Lithuania
  • Luxembourg
  • Madagascar
  • Madeira
  • Malawi
  • Malaysia
  • Mali
  • Martinique
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands
  • New Caledonia
  • New Zealand
  • Nicaragua
  • Niger
  • Nigeria
  • North Korea
  • North Macedonia
  • Norway
  • Oman
  • Pakistan
  • Palau
  • Palestinian Territory
  • Panama
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • Réunion
  • Saint Eustatius
  • Saint Lucia
  • Samoa
  • Saudi Arabia
  • Senegal
  • Serbia
  • Sierra Leone
  • Slovakia
  • Slovenia
  • Solomon Islands
  • Somalia
  • South Africa
  • South Georgia and the South Sandwich Islands
  • South Korea
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Suriname
  • Sweden
  • Switzerland
  • Syria
  • Tajikistan
  • Tanzania
  • Thailand
  • Timor-Leste
  • Togo
  • Tunisia
  • Turkiye
  • Turkmenistan
  • Turks and Caicos Islands
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uruguay
  • Uzbekistan
  • Vanuatu
  • Venezuela
  • Vietnam
  • Yemen
  • Zambia
  • Zimbabwe

Duration: 1408 days

Time span: October 16 2022 to August 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 18.5 °C
  • Maximum temperature anomaly: 33.2 °C
  • Maximum temperature: 46.7 °C

Event center: -3.5°S 25.0°E

Area affected: 509952516 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2022-Oct-16_to_2026-Aug-23_25.0_-3.5

Heat wave occuring from August 06 2026 to August 10 2026 at 40.5°N 109.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China
  • Mongolia

Duration: 5 days

Time span: August 06 2026 to August 10 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 6.9 °C
  • Maximum temperature: 30.4 °C

Event center: 40.5°N 109.5°E

Area affected: 134864 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Aug-06_to_2026-Aug-10_109.5_40.5

Heat wave occuring from July 23 2026 to July 30 2026 at 27.5°N 87.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Bangladesh
  • Bhutan
  • China
  • India
  • Nepal

Duration: 8 days

Time span: July 23 2026 to July 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 19.4 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 32.6 °C

Event center: 27.5°N 87.5°E

Area affected: 457086 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jul-23_to_2026-Jul-30_87.5_27.5

Heat wave occuring from July 07 2026 to July 11 2026 at 28.5°N 100.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China

Duration: 5 days

Time span: July 07 2026 to July 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 13.0 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 17.5 °C

Event center: 28.5°N 100.0°E

Area affected: 67528 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jul-07_to_2026-Jul-11_100.0_28.5

Heat wave occuring from June 04 2026 to June 07 2026 at 35.0°N 98.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China

Duration: 4 days

Time span: June 04 2026 to June 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 6.0 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 9.5 °C

Event center: 35.0°N 98.0°E

Area affected: 53201 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-04_to_2026-Jun-07_98.0_35.0

Heat wave occuring from June 03 2026 to June 06 2026 at 31.5°N 108.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China

Duration: 4 days

Time span: June 03 2026 to June 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 29.8 °C

Event center: 31.5°N 108.5°E

Area affected: 132834 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-03_to_2026-Jun-06_108.5_31.5

Heat wave occuring from June 01 2026 to June 07 2026 at 38.5°N 96.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China

Duration: 7 days

Time span: June 01 2026 to June 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 9.7 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 29.2 °C

Event center: 38.5°N 96.0°E

Area affected: 52945 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-01_to_2026-Jun-07_96.0_38.5

Heat wave occuring from May 19 2026 to May 23 2026 at 37.0°N 86.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China

Duration: 5 days

Time span: May 19 2026 to May 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 4.0 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 28.5 °C

Event center: 37.0°N 86.0°E

Area affected: 212795 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-May-19_to_2026-May-23_86.0_37.0

Heat wave occuring from May 17 2026 to May 22 2026 at 29.0°N 82.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China
  • Nepal

Duration: 6 days

Time span: May 17 2026 to May 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 7.3 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 22.3 °C

Event center: 29.0°N 82.5°E

Area affected: 56373 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-May-17_to_2026-May-22_82.5_29.0