Article sources
- Impact of ambient temperature on human outdoor activity (PLOS ONE)
- Extreme heat impacts daily routines and travel patterns (PreventionWeb)
- Within-day temperature swings shift outdoor activities to cooler periods (Scientific Reports, 2022)
- Temperature and sunshine improve commuter mood; rain reduces positive affect (Frontiers in Psychology, 2017)
- Physical activity and heat stress: health implications (PMC, 2024)
- Weather affects well-being and outdoor activity via temperature and light (Frontiers in Public Health, 2025)
- Optimal endurance performance at WBGT 7.5–15°C across 1,258 races (Medicine & Science in Sports & Exercise, 2021)
- Wind reduces physiological heat strain during exercise; UTCI captures this interaction (Biology, 2023)
- Rain and wind increase energy expenditure and heat loss during running (PubMed, 2024)
- Cold temperature impairs cycling power output, cadence, and core temperature (Life, 2021)
- Prevention and treatment of cold injuries in athletes: NATA position statement (Journal of Athletic Training, 2008)
- Rain and wind significantly reduce cycling volumes; heavy rain is strongest deterrent (Environmental Health, 2012)
- Thermal comfort in indoor environments (Building and Environment, 2006)
- Outdoor thermal comfort and human behaviour (Building and Environment, 2021)
- Heat alone impairs cycling performance by 3.6–6% at 36°C; humidity compounds the effect (Experimental Physiology, 2022)
- Population-weighted daily WBGT, UTCI, heat index dataset for heat-health research (Scientific Data, 2022)
- Air temperature is dominant factor driving optional outdoor activity; discretionary attendance drops sharply with cold (Int. J. Environmental Research & Public Health, 2021)
- UV-protective clothing blocked >99% UVB, outperforming sunscreen in head-to-head comparison (Cancers, 2022)
- Combining UV-protective clothing with sunscreen is optimal photoprotection strategy (Cureus, 2022)
- Snow on ground triples pedestrian slip risk; validated Canadian Slip and Fall Index (Canadian Journal of Public Health, 2024)
- Snow on ground increases pedestrian slip risk >3× across 16 Finnish cities over 14 winters (Int. J. Environmental Research & Public Health, 2022)
- ~1 in 10 fractures in Sweden result from slipping on ice or snow, predominantly wrist/ankle (Acta Orthopaedica, 2025)
- Weather sensitivity and leisure time outdoor activities (Journal of Retailing and Consumer Services, 2024)
- UV Index Scale: Low (1–2) / Moderate (3–5) / High (6–7) / Very High (8–10) / Extreme (11+) (US EPA)
- Heat-Health Action Plans: guidance for public health authorities (WHO Europe)
- About Heat and Your Health: CDC guidance on extreme heat health risks