Anaplian.com · télédétection urbaine · synthèse

Classement des subdivisions politiques selon l’indice de vulnérabilité climatique de surface

Avril–mai 2026 · 296 unités dans 18 villes · ivc-l4-v1

Pourquoi ce classement

Ce rapport classe 296 subdivisions politiques officielles — délégations, districts, qisms, thanas, municipi, baladiyat — sur la même métrique ivc-l4-v1 que les rapports de ville. Venustiano Carranza (Mexico) arrive en tête avec 82.6/100. Municipio XIV (Rome) est dernière avec 0.0/100.

La justification est opérationnelle : l’ombre, le revêtement et la réponse à la chaleur se décident à ce grain, pas à la moyenne métropolitaine. L’indice n’est pas pondéré par la population ni par la superficie.

Pourquoi des unités de 18 villes peuvent partager une liste

Chaque z a un plafond fixe (43 °C, NDVI 0,05–0,55, SUHI 15 °C). La liste est donc un classement comparable d’exposition de surface, pas un championnat d’indices locaux incomparables. La Priorité 1–3 a seulement choisi quelles villes mesurer.

Quatre méthodes

1. LST maximale par pixel

Même composite Landsat que les rapports de ville. z_max = fraction urbaine de l’unité avec LST max. > 43 °C.

2. LST moyenne des observations

z_moy = fraction urbaine avec LST moyenne > 43 °C.

3. Végétation (NDVI)

z_NDVI inv inverse le NDVI urbain moyen sur l’échelle fixe 0.05–0.55.

4. Îlot de chaleur (SUHI)

Le SUHI utilise la T rurale de cette ville, pas une T rurale mondiale. z_SUHI est recadré à 0 et 15 °C.

Métrique comparable ivc-l4-v1. IVC = 100 × moyenne des quatre z. Médiane 37.2. Plus grand écart intra-urbain : Mexico (11.3–82.6).

25 premières subdivisions

25 unités au IVC le plus élevé. Source : Landsat 8/9, avril–mai 2026.
Composantes des 15 premières unités. Chaque segment vaut 25 × z.

Écart intra-urbain

IVC maximum moins IVC minimum dans chaque polygone de ville.
VillenMinMaxÉcart
Mexico1611.382.671.3
Monterrey130.446.846.4
Karachi2417.059.342.3
Le Caire4126.268.141.9
Dhaka414.745.640.9
Teheran2215.853.537.7
Casablanca1619.954.634.7
Barcelone1011.345.233.9
Phoenix1543.671.227.6
Wuhan131.825.623.8
Madrid215.028.623.6
Delhi1133.254.921.8
Houston117.922.714.7
Riyad1448.061.913.9
Rome150.012.912.9
Lahore231.939.27.3
Ahmedabad757.863.25.5
Bagdad444.949.84.9

Schémas observés

La tête de liste est l’est de Mexico (Venustiano Carranza, Iztacalco, Iztapalapa) plus les urban villages de Phoenix presque sans ombre. Ces unités combinent une fraction de pic saturée et un vrai îlot de chaleur face à une référence rurale fraîche ou seulement tiède.

Ahmedabad et Riyad occupent le palier suivant : presque 100 % de la zone urbaine dépasse 43 °C, mais z_SUHI vaut 0 parce que le rural GHSL est aussi chaud que la ville.

Mexico a le plus grand écart intra-urbain (11–83) : sol de conservation contre est minéral. Monterrey suit (0–47). Ahmedabad est presque plat (58–63) : chaque taluka est déjà une fournaise.

Le grain compte. Les 41 qisms du Caire et les 41 thanas de Dhaka peuplent le milieu de la liste. Les deux tehsils de Lahore et les quatre districts de Bagdad compressent ce contraste.

Classement complet

#UnitéVillePIVCPic > 43 °CMoy. > 43 °CSUHI °CNDVI
1Venustiano CarranzaMexico182.699%53%+18.30.15
2IztacalcoMexico180.597%46%+17.20.16
3IztapalapaMexico176.293%34%+16.40.17
4AzcapotzalcoMexico174.996%30%+16.30.18
5MaryvalePhoenix271.299%75%+4.40.14
6CuauhtémocMexico171.285%27%+15.80.19
7Central CityPhoenix271.1100%73%+3.50.11
8Al TibbinLe Caire168.195%63%+4.00.11
9EstrellaPhoenix264.897%62%+2.80.15
10TláhuacMexico164.384%20%+15.10.29
11SabarmatiAhmedabad263.299%89%-2.30.22
12Gustavo A. MaderoMexico162.984%9%+13.00.19
13ViramgamAhmedabad262.2100%94%+0.20.28
14South MountainPhoenix262.199%56%+2.50.17
15ShifaRiyad361.9100%36%+2.50.07
16Ahwatukee FoothillsPhoenix261.899%52%+2.60.16
17AlhambraPhoenix261.4100%60%+2.50.20
18Detroj-RampuraAhmedabad261.0100%96%+0.60.33
19SanandAhmedabad260.1100%87%-1.50.28
20DaskroiAhmedabad260.1100%88%-2.10.29
21BavlaAhmedabad260.1100%89%-0.60.29
22Benito JuárezMexico159.583%1%+13.30.22
23New Karachi TownKarachi159.3100%49%-1.10.11
24Al AziziyahRiyad358.8100%28%+1.70.07
25DholkaAhmedabad257.8100%85%-2.30.32
26Gadap TownKarachi157.4100%60%-0.30.20
27Al BathaRiyad357.4100%24%+1.40.07
28EncantoPhoenix256.996%46%+2.10.20
29CoyoacánMexico156.875%5%+13.80.27
30Orangi TownKarachi156.4100%36%-1.50.10
31Baldia TownKarachi156.1100%41%-1.30.13
32Bin Qasim TownKarachi156.090%65%-1.40.20
33North MountainPhoenix255.799%38%+1.40.17
34As SulayRiyad355.0100%19%+0.70.07
35South WestDelhi154.996%70%-0.40.28
36Roches NoiresCasablanca354.696%0%+7.60.19
37North WestDelhi153.896%60%-1.40.25
38Distrito 21Teheran253.591%1%+5.90.14
39ShahdaraDelhi152.797%49%-2.30.23
40Site TownKarachi152.5100%25%-2.30.12
41Malir CantonmentKarachi151.6100%42%-1.90.23
42LaveenPhoenix251.498%30%+0.80.19
4310 Ramadan 2Le Caire151.299%3%+1.70.09
44NorthDelhi151.194%57%-1.90.28
45Hay MohammadiCasablanca350.898%0%+4.60.18
46Distrito 9Teheran250.285%0%+4.90.14
47Sidi BernoussiCasablanca350.192%0%+5.20.18
4810 Ramadan 1Le Caire150.1100%0%+0.80.08
49NamarRiyad349.9100%5%+0.00.08
50Al-ThawraBagdad149.899%1%+1.30.09
51Deer ValleyPhoenix249.8100%20%+0.30.16
52MalirKarachi149.6100%21%-2.80.16
53Al MaatharRiyad349.6100%3%+0.50.09
54HilwanLe Caire149.288%12%+1.40.11
55Al NaseemRiyad349.2100%2%-1.70.07
56Al RawdaRiyad349.2100%2%-1.50.07
57Hay HassaniCasablanca349.295%0%+6.30.25
58Al-RisafaBagdad149.094%4%+1.50.11
59Distrito 18Teheran249.080%0%+5.20.14
60Gulberg TownKarachi148.9100%11%-4.80.13
61Al-UrayjaRiyad348.8100%2%-0.20.08
62Al ShamalRiyad348.8100%1%-0.50.08
63Milpa AltaMexico148.770%5%+12.60.37
64Distrito 22Teheran248.691%0%+4.40.18
65IrqahRiyad348.6100%3%-0.40.09
66OlayaRiyad348.4100%0%-0.40.08
67Al MalazRiyad348.399%2%-1.00.09
68North Nazimabad TownKarachi148.1100%10%-3.10.14
69Sidi MoumenCasablanca348.1100%0%+3.90.22
70ShmeisiRiyad348.0100%3%+0.10.11
71GamaliyyaLe Caire147.699%0%+0.50.11
72WestDelhi147.592%42%-2.50.27
73Distrito 19Teheran247.475%0%+5.00.15
74Rio VistaPhoenix247.399%12%-1.70.16
75Moulay RachidCasablanca347.1100%0%+2.20.18
76Gulshan E Iqbal TownKarachi147.199%17%-4.00.18
77Al FidaCasablanca346.9100%0%+2.00.18
78North GatewayPhoenix246.8100%12%-1.40.18
79San Nicolás de los GarzaMonterrey246.898%0%+2.40.18
80Liaqatabad TownKarachi146.7100%0%-6.00.12
81Rud Al-FaragLe Caire146.598%0%-2.30.11
82ShubraLe Caire146.598%0%-2.20.11
83Al-KarkhBagdad146.496%0%+0.70.13
84BadrLe Caire146.396%0%-0.40.11
85Korangi TownKarachi146.397%3%-6.90.12
86Minshat NasirLe Caire146.296%0%-0.00.11
87Al SharabiyyaLe Caire146.097%0%-0.20.12
88MuskiLe Caire145.996%0%-1.50.11
89Lyari TownKarachi145.793%0%-5.40.10
90Kamrangir CharDhaka245.678%0%+6.50.25
91Paradise ValleyPhoenix245.698%10%-0.90.18
92Sidi BelyoutCasablanca345.574%0%+3.90.14
93BulaqLe Caire145.595%0%-1.80.12
94GarcíaMonterrey245.299%0%+1.90.20
95Sant AndreuBarcelone345.282%0%+4.60.21
96Tejgaon Ind. AreaDhaka245.178%0%+8.40.32
97NuzhaLe Caire145.186%1%+0.60.10
9815 MayuLe Caire145.088%1%+0.20.10
99BangshalDhaka245.078%0%+5.90.24
100Al-AdhamiyaBagdad144.994%0%+0.00.13
101ShyampurDhaka244.988%0%+4.80.25
102Mers SultanCasablanca344.895%0%+1.10.16
103Al AzbakiyyaLe Caire144.890%0%-2.40.10
104Camelback EastPhoenix244.797%16%-0.50.22
105Madinat Nasr-2Le Caire144.787%3%+0.60.13
106Faisal CantonmentKarachi144.793%23%-3.10.24
107Jamshed TownKarachi144.694%2%-7.60.14
108Sidi OthmaneCasablanca344.398%0%+2.10.22
109Ben M'SickCasablanca344.199%0%+1.00.20
110Kiamari TownKarachi144.180%21%-4.60.17
111Shah Faisal TownKarachi144.099%2%-3.60.17
112Desert ViewPhoenix243.698%7%-1.20.20
113Zawiyya Al-HamraLe Caire143.587%2%-0.80.12
114Bab Al-ShariyyaLe Caire143.586%0%-1.30.11
115Landhi TownKarachi143.594%9%-4.30.20
116Miguel HidalgoMexico143.443%4%+12.30.33
117Karachi CantonmentKarachi142.998%0%-7.70.18
118Santa CatarinaMonterrey241.987%0%+0.40.16
119Al Darb al-AhmarLe Caire141.787%0%-1.20.15
120EastDelhi141.484%29%-3.30.29
121Aïn SebaâCasablanca340.979%0%+1.30.17
122EixampleBarcelone340.875%0%+3.00.21
123South EastDelhi140.886%33%-3.30.33
124Saddar TownKarachi140.681%1%-7.60.15
125SutrapurDhaka240.566%0%+5.70.26
126Nasr CityLe Caire140.573%0%-0.40.11
127Sants-MontjuïcBarcelone340.468%0%+3.30.19
128SbataCasablanca340.2100%0%-0.20.25
129Al ZahirLe Caire139.971%0%-1.00.11
130Al SahilLe Caire139.873%0%-2.20.12
131Álvaro ObregónMexico139.736%1%+11.40.32
132AbdinLe Caire139.471%0%-3.00.12
133Lahore CityLahore239.290%1%+2.20.29
134Al KhalifaLe Caire139.068%0%-0.90.11
135Al WayliLe Caire139.072%0%-1.20.13
136AdaborDhaka238.970%0%+3.90.25
137Distrito 16Teheran238.959%0%+2.80.16
138CentralDelhi138.984%20%-3.80.29
139PaltanDhaka238.746%0%+8.00.27
140Al SalamLe Caire138.462%1%-0.70.09
141RampuraDhaka238.449%0%+7.60.28
142Sayyida ZainabLe Caire138.469%0%-2.00.13
143Chak BazarDhaka238.259%0%+5.90.28
144BasatinLe Caire138.162%2%-0.30.11
145Al MatariyyaLe Caire138.162%0%-2.40.10
146MirpurDhaka237.857%0%+6.40.29
147LalbaghDhaka237.350%0%+6.90.28
148TuraLe Caire137.352%3%-0.90.08
149MaadiLe Caire137.265%0%-0.80.13
150MaârifCasablanca337.287%0%-2.30.24
151XochimilcoMexico137.238%1%+11.70.39
152Aïn ChockCasablanca336.694%0%-0.50.29
153Clifton CantonmentKarachi136.668%0%-9.10.16
154HazaribaghDhaka236.547%0%+7.30.30
155TejgaonDhaka236.354%0%+7.50.34
156ShroqLe Caire136.064%0%-1.00.15
157GendariaDhaka235.958%0%+4.70.28
158Misr Al-QadimaLe Caire135.861%0%-2.50.14
159Darus SalamDhaka235.360%0%+5.00.31
160New Cairo-3Le Caire134.857%0%-1.40.14
161New DelhiDelhi134.280%24%-3.50.39
162Distrito 13Teheran234.241%0%+3.10.18
163JatrabariDhaka234.258%0%+5.30.33
164La Magdalena ContrerasMexico133.924%0%+10.60.35
165GràciaBarcelone333.855%0%+3.30.26
166General EscobedoMonterrey233.682%0%-0.20.29
167North EastDelhi133.568%15%-4.80.29
168KotwaliDhaka233.343%0%+4.90.26
169SouthDelhi133.284%20%-4.10.41
170TlalpanMexico133.232%1%+9.90.38
171Hadaiq Al-QubbaLe Caire133.145%0%-1.80.11
172Al ZaytunLe Caire132.847%0%-2.00.13
173Korangi Creek CantonmentKarachi132.764%0%-10.90.22
174Sant MartíBarcelone332.744%0%+3.80.24
175MotijheelDhaka232.644%0%+6.60.34
176KafrulDhaka232.548%0%+6.60.36
177Distrito 20Teheran232.431%0%+3.20.16
178MonterreyMonterrey232.473%0%+0.20.27
179Lahore CanttLahore231.971%1%+1.30.32
180ApodacaMonterrey231.974%0%-0.20.28
181PallabiDhaka231.853%0%+4.80.34
182Distrito 5Teheran231.747%0%+1.10.19
183Distrito 12Teheran231.638%0%+0.40.12
184Ciutat VellaBarcelone331.544%0%+1.00.18
185KadamtaliDhaka231.247%0%+4.00.29
186Distrito 7Teheran231.127%0%+2.20.13
187KalabaganDhaka230.916%0%+7.80.27
188Distrito 2Teheran230.541%0%+1.60.20
189Distrito 14Teheran230.433%0%+1.60.16
190Distrito 11Teheran230.429%0%+0.90.12
191Distrito 17Teheran229.932%0%+0.60.13
192GuadalupeMonterrey229.466%0%-2.30.29
193Ain ShamsLe Caire129.229%0%-2.40.11
194RamnaDhaka229.124%0%+7.20.33
195Nou BarrisBarcelone329.159%0%+3.20.37
196Biman BandarDhaka228.857%0%+4.10.40
197Qasr Al-NileLe Caire128.732%0%-4.20.14
198BarajasMadrid128.658%0%+0.50.29
199UttaraDhaka228.650%0%+2.70.32
200Les CortsBarcelone328.440%0%+4.30.33
201Distrito 6Teheran228.326%0%+1.50.16
202Distrito 15Teheran227.822%0%+2.10.18
203Misr al-GadidaLe Caire127.229%0%-2.50.15
204Villa de VallecasMadrid126.743%0%+2.20.30
205MohammadpurDhaka226.628%0%+5.20.33
206New Cairo-1Le Caire126.528%0%-2.80.16
207Distrito 4Teheran226.423%0%+1.60.19
208New Cairo-2Le Caire126.237%0%-2.40.21
209Distrito 10Teheran226.216%0%-0.50.11
210QingshanWuhan325.615%0%+6.80.34
211Distrito 8Teheran225.26%0%+1.70.13
212GulshanDhaka225.222%0%+5.90.35
213BaddaDhaka224.728%0%+6.00.39
214VillaverdeMadrid124.242%0%+0.10.28
215Distrito 3Teheran224.122%0%+1.30.22
216VicálvaroMadrid124.129%0%+1.80.27
217TetuánMadrid123.94%0%+3.80.22
218SalamancaMadrid123.65%0%+3.50.22
219DakshinkhanDhaka223.047%0%+3.10.43
220DhanmondiDhaka222.94%0%+6.80.34
221San Pedro Garza GarcíaMonterrey222.859%0%-3.00.39
222HanyangWuhan322.812%1%+5.90.36
223CentroMadrid122.711%0%+2.00.22
224District JHouston322.725%0%+4.30.36
225Horta-GuinardóBarcelone322.641%0%+2.60.39
226Cadereyta JiménezMonterrey221.543%0%+2.90.43
227ChamberíMadrid121.49%0%+1.20.21
228SabujbaghDhaka221.124%0%+4.10.38
229KhilkhetDhaka220.417%0%+6.00.43
230Sher-e-bangla NagarDhaka220.319%0%+5.70.42
231ShahbaghDhaka220.313%0%+6.50.43
232New MarketDhaka220.110%0%+7.10.43
233AnfaCasablanca319.931%0%-0.20.31
234ArganzuelaMadrid119.59%0%+2.40.29
235Puente de VallecasMadrid119.323%0%+0.70.30
236District HHouston319.216%0%+4.70.40
237Salinas VictoriaMonterrey219.040%0%-3.30.37
238Shah AliDhaka218.829%0%+3.90.45
239KhilgaonDhaka218.818%0%+4.40.41
240CaidianWuhan318.313%1%+5.70.44
241Jiang'anWuhan318.34%0%+5.20.38
242TuragDhaka218.229%0%+2.80.42
243CarabanchelMadrid118.122%0%-1.20.30
244District FHouston317.925%0%+3.20.43
245District IHouston317.513%0%+4.90.43
246QiaokouWuhan317.43%0%+3.00.32
247WuchangWuhan317.42%0%+3.90.34
248HongshanWuhan317.24%0%+5.00.39
249Manora CantonmentKarachi117.08%0%-12.30.25
250LatinaMadrid116.625%0%-2.10.34
251UseraMadrid116.517%0%-1.70.31
252RetiroMadrid116.45%0%+3.20.35
253District AHouston316.318%0%+2.40.40
254CantonmentDhaka216.114%0%+4.90.46
255ChamartínMadrid116.04%0%+1.10.28
256San Blas - CanillejasMadrid115.816%0%+0.10.32
257Distrito 1Teheran215.85%0%-1.00.26
258Ciudad LinealMadrid115.66%0%+0.80.30
259District BHouston315.614%0%+3.60.42
260PesqueríaMonterrey215.330%0%+1.20.44
261DongxihuWuhan315.04%0%+3.50.39
262DemraDhaka214.19%0%+3.80.44
263HortalezaMadrid113.28%0%+0.50.34
264JianghanWuhan312.90%0%+0.70.32
265Municipio VRome312.96%0%+2.00.39
266XinzhouWuhan312.29%0%+3.80.48
267Sarrià-Sant GervasiBarcelone311.321%0%+1.10.46
268Cuajimalpa de MorelosMexico111.35%0%+3.70.48
269District CHouston311.314%0%+0.70.42
270Municipio IRome311.10%0%-0.20.33
271Fuencarral - El PardoMadrid111.013%0%-0.70.39
272District DHouston310.710%0%+2.10.46
273JuárezMonterrey210.719%0%-3.20.43
274JiangxiaWuhan310.67%0%+1.10.41
275District KHouston310.48%0%+2.80.48
276Municipio XRome310.15%0%+3.30.48
277District GHouston310.018%0%+1.10.48
278Municipio VIIRome39.23%0%+1.60.44
279MoratalazMadrid19.02%0%-0.60.38
280Municipio IIRome38.01%0%-1.90.39
281District EHouston37.95%0%+2.00.48
282HannanWuhan36.80%0%-3.70.42
283Municipio VIRome36.11%0%+2.50.51
284Municipio IVRome35.51%0%+1.80.51
285Moncloa - AravacaMadrid15.02%0%-1.50.46
286Uttar KhanDhaka24.713%0%-0.70.52
287Municipio IXRome33.53%0%+1.00.52
288Municipio XIIIRome32.81%0%-1.70.50
289Municipio XIRome32.51%0%-0.10.51
290HuangpiWuhan31.80%0%-0.50.52
291Municipio XIIRome31.80%0%-0.80.52
292Municipio XVRome30.61%0%+0.10.59
293SantiagoMonterrey20.42%0%-2.80.58
294Municipio VIIIRome30.40%0%-0.10.54
295Municipio IIIRome30.00%0%-0.20.56
296Municipio XIVRome30.00%0%-0.50.58

Limites

Les unités ne sont égales ni en valeur, ni en population, ni en pouvoir. Les noms suivent la source des limites. L’indice reste une exposition de surface.