Indice de qualité de l'air (AQI) à Sainte-Hélène, Ascension et Tristan da Cunha 🇸🇭
Indice de qualité de l'air (IQA) en direct et niveaux de PM2.5 en Sainte-Hélène, Ascension et Tristan da Cunha
Actualmente, el Índice de Calidad del Aire (AQI) en Jamestown, la capital de Sainte-Hélène, Ascension et Tristan da Cunha, se mide en un puntaje de 58. Según el estándar de salud de la EPA de EE. UU., esta clasificación de calidad del aire se categoriza como Good. La atmósfera actual en Jamestown está influenciada por una concentración de PM2.5 (material particulado fino) de 12.9 µg/m³ y niveles de PM10 registrados en 21.2 µg/m³. La monitorización de contaminantes gaseosos muestra Dióxido de Nitrógeno (NO2) en 0.0 µg/m³.
Qualité de l'air à Sainte-Hélène, Ascension et Tristan da Cunha : Indice des grandes villes
* Índice de Calidad del Aire (ICA) para Sainte-Hélène, Ascension et Tristan da Cunha se calcula usando el estándar de la EPA de EE. UU. La información se procesa a partir de múltiples estaciones de monitoreo que detectan PM2.5, PM10 y contaminantes gaseosos para garantizar precisión en la planificación de la salud respiratoria.
Questions fréquemment posées sur la qualité de l’air à Sainte-Hélène, Ascension et Tristan da Cunha
Quelle est la qualité de l'air en Sainte-Hélène, Ascension et Tristan da Cunha en ce moment ?
L'IQA actuel à Jamestown (capitale de Sainte-Hélène, Ascension et Tristan da Cunha) est de 58— catégorisé comme Good. Les conditions varient à travers le pays — consultez l'IQA pour toutes les villes pour une vue d'ensemble.
Quelle ville en Sainte-Hélène, Ascension et Tristan da Cunha a la pire qualité de l'air en ce moment ?
En ce moment, Jamestown a la lecture d'IQA la plus élevée de Sainte-Hélène, Ascension et Tristan da Cunha à 58 (Good).
Quel est le niveau de PM2.5 à Jamestown aujourd'hui ?
La concentration de PM2,5 (particules fines) dans Jamestown, la capitale de Sainte-Hélène, Ascension et Tristan da Cunha, est actuellement de 12.9 µg/m³. La directive de l'OMS sur 24 heures est de 15 µg/m³.
Comprendre les niveaux de qualité de l'air
Air is fresh and healthy. Safe for all outdoor activities.
Acceptable air quality, though sensitive groups should monitor comfort.
Vulnerable groups (children, elderly) should limit outdoor exertion.
Everyone begins to experience health effects. Stay indoors where possible.
Significant health impact for entire population. Emergency conditions.
Serious health alert: everyone may experience serious life-threatening effects.
Fine particles are at minimal, safe levels. Air is optimal.
Acceptable air, but haze may be present in urban areas.
Individuals with heart or lung disease should limit activity.
Particulate levels high enough to cause respiratory irritation.
Heavy haze. High risk to cardiovascular health for the public.
Lethal particulate concentrations. Critical neurological and lung risk.
Low levels of dust and coarse particles. Environment is safe.
Coarse particles may trigger coughing in sensitive groups.
Visible dust pollution. Sensitive groups should avoid heavy labor.
Widespread respiratory impacts likely for the population.
Dangerous dust and debris levels. Significant warnings issued.
Extremely high concentrations. Stay inside with filtration.
Surface ozone levels are within a safe, natural range.
Acceptable air, but sensitive individuals may feel chest tightness.
Rising ozone can trigger airway inflammation in active children.
Avoid heavy outdoor work during the hottest part of the day.
Serious lung function reduction likely across the public.
Emergency ozone levels. Risk of permanent lung tissue damage.
Nitrogen levels are optimal. Safe for everyone.
Typical background levels for high-density urban areas.
Increased risk of respiratory infections for vulnerable groups.
Significant airway inflammation likely near traffic zones.
Acute respiratory distress potential. High-risk groups stay indoors.
Toxic concentrations. Immediate health precautions required.
Carbon Monoxide levels are clean and non-toxic.
Acceptable; may affect those with specific heart conditions.
Reduced oxygen delivery to the heart may occur.
Headaches and fatigue may occur in urban canyons.
Significant cardiovascular distress. Mental confusion possible.
Lethal potential. Immediate risk of neurological collapse.
Optimal air quality with no sulfur detection.
Acceptable air; minor odors possible near industry.
Bronchoconstriction possible for active asthmatics.
Respiratory distress likely for the wider population.
Significant wheezing and shortness of breath likely.
Extreme respiratory danger. Significant life risk.