Kermanshah Province, 伊朗
Sarāb Bas-e Seyyed ‘Alī · 空气质量
10月31日星期六 · Asia/Tehran
Sarāb Bas-e Seyyed ‘Alī air quality
US air quality index
67中等
US EPA scale
- 良好0–50
- 中等51–100Current category
- 对敏感人群不健康101–150
- 不健康151–200
- 非常不健康201–300
- 危险301–500+
A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.
Understand the EPA scale所有污染物
- PM1
- 6 µg/m³
- PM2.5
- 15 µg/m³
- PM10
- 58 µg/m³
- 臭氧
- 44 µg/m³
- 二氧化氮
- 3 µg/m³
- 二氧化硫
- 2 µg/m³
- 一氧化碳
- 130 µg/m³
- European AQI (separate scale)
- 4