Indoor air quality at the Arab governmental girls’ schools

Background: A proper and adequate school environment is important for an effective learning process maintaining the health of students as they spend most their time in schools. The physical includes structures; presence chemicals biological agents; surrounding environment, including air, water, materials. This study aimed to evaluate indoor air quality (IAQ) governmental girls’ schools Kingdom Saudi Arabia (KSA). Methods: Seventeen were randomly selected Eastern Province KSA. levels PM10 PM2.5, volatile organic compounds, CO, NO2, CO2 measured at different sites inside each during four months year 2020. In addition, a pre-designed questionnaire was used safety preparedness same schools. Results: Levels six pollutants higher adjacent roads with moderate traffic activity than low very activity. However, mean level its outdoor level, suggesting predominance source CO2. all constructed buildings those rental type. Conclusion: average much lower guidelines (AQGs), while some NO2 exceeded AQGs schools.