FRIDAY, April 17, 2026 (HealthDay News) — Temporary and long-term contact with outdoor air pollution along with weather conditions are linked to higher instances of migraines, as indicated by a research paper released online on April 15 inNeurology.
Ido Peles, M.D., affiliated with Ben-Gurion University of the Negev in Be’er Sheva, Israel, along with other researchers, carried out a population-based case-crossover study involving individuals with migraines from the Negev Migraine Cohort to investigate the impact of environmental factors on migraine occurrence in the intermediate and short term.
A total of 7,032 adults suffering from migraines living in Be’er Sheva were part of the study. The researchers discovered that short-term exposure to nitrogen dioxide (NO2) and solar radiation were linked to a higher risk of
emergency migraine-related visits (odds ratios, 1.41 and 1.23, respectively). Increased use of triptans was observed in relation to prolonged exposure to NO2 and total particulate matter ≤2.5 µm (PM2.5) exposure in the previous quarter (incidence rate ratios, 1.10 and 1.09, respectively). Short-term impacts were influenced by weekly weather conditions; NO2-related risk increased due to high temperatures and low humidity in the summer (odds ratio, 2.18), while the impact of PM2.5was heightened by cold and damp winter weeks (odds ratio, 3.78).
These findings enhance our comprehension of the timing and causes of migraine episodes,” Peles stated. “They indicate that for individuals predisposed to migraines, environmental elements might have two functions: medium-term influences like temperature and humidity could affect the likelihood of attacks, whereas immediate factors such as sudden increases in pollution levels might initiate them.
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