Qualitative Analysis Urban Heat: El Raval Case

According to Al Jazeera English (July 31, 2026), qualitative analysis of interviews and local reports reveals that El Raval’s extreme night-time heat exposure is concentrated among low-income migrants living in poorly insulated, crowded flats, and that community-run green spaces are critical informal cooling hubs. The core method is thematic, cross-segment analysis of interviews, service maps and municipal data to link lived experience with spatial and demographic risk. See the original reporting at Al Jazeera English.

• According to Al Jazeera English (July 31, 2026), Barcelona set a summer temperature record on July 8, 2026 at 40.7C, and the Barcelona province recorded an estimated 205 heat-related deaths since the start of July 2026.
• According to Al Jazeera English (July 31, 2026), by July 20, 2026 Barcelona had recorded 25 tropical nights and 25 torrid nights, approaching the 36 nights of extreme heat recorded during all of 2025.
• According to Al Jazeera English (July 31, 2026) and city data, El Raval has a 67 percent share of residents born abroad and a median annual income of 15, 050 euros (Spanish National Statistics Institute), which concentrates social vulnerability.
• According to Nature Medicine (2025), a 2025 projection estimated more than 246, 000 heat-attributable deaths in Barcelona between 2015 and 2099 under a worst-case scenario, highlighting long-term stakes for adaptation.

Answer: El Raval’s heat crisis is shaped by night-time heat retention, overcrowded housing and scarce green space, measured through interviews, municipal shelter maps and vulnerability indices.

According to Al Jazeera English (July 31, 2026), reporters documented residents seeking refuge in air-conditioned malls and beaches, and community centres such as ACESOP running informal cooling stops for migrant women.

According to the Climate Vulnerability Index (IVAC, 2022) cited by Al Jazeera English, El Raval ranks as the city’s most heat-vulnerable neighbourhood because of urban density and low tree cover. According to the Architecture, Energy and Environment Research Group at the Polytechnic University of Catalonia, many El Raval homes lack thermal insulation and cross-ventilation, trapping heat indoors.

According to Al Jazeera English (July 31, 2026), municipal climate shelters number about 500 citywide, with 15 located in El Raval, but only 15 percent of older residents can reach a shelter within a 10-minute walk at night according to a 2023 UPC study co-authored by Blanca Arellano Ramos.

Answer: Qualitative researchers should combine interview-led thematic analysis with spatial and service-mapping to reveal who cannot access cooling and why.

According to Al Jazeera English (July 31, 2026), community spaces such as the Agora Juan Andres Benitez both cool microclimates and provide social services, so researchers must code for multifunctional roles when analysing interview and field notes.

According to Blanca Arellano Ramos via Al Jazeera English (July 31, 2026), the effectiveness of climate shelters depends on operating hours and facilities, so qualitative work should capture service hours, perceived quality, and barriers to use.

According to Al Jazeera English (July 31, 2026), eviction threats to community green areas like the Agora show that legal and political risk must be a coded theme when assessing community adaptation resilience.

Community interviews, service maps and qualitative coding exposed the mechanisms by which El Raval’s dense housing and lack of green space produce night-time heat risk, according to Al Jazeera English (July 31, 2026).

Researchers and urban teams should pair thematic, cross-segment qualitative analysis with spatial data to prioritize cooling interventions and protect the most vulnerable residents.

If you want to run this kind of analysis, Evidano automates transcription, thematic synthesis and cross-segment visualizations to turn interviews and documents into policy-ready evidence; learn more on Evidano features.

Next step: build a pilot dataset of 30–50 interviews plus shelter maps, run thematic extraction to identify top 5 barriers, and validate findings with community partners. Try Evidano for free.