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Air quality index hub

Project description

AQI Hub

AQI Hub Cover

AQI 计算,以及分指数计算

计算方法

AQI (CN)

计算方法参照中华人民共和国生态环境部标准: HJ 633--2012 环境空气质量指数 (AQI) 技术规定 (试行).pdf

AQI 等级说明

AQI 范围 指数级别 类别 颜色
0 至 50 一级 绿色
51 至 100 二级 黄色
101 至 150 三级 轻度污染 橙色
151 至 200 四级 中度污染 红色
201 至 300 五级 重度污染 紫色
301+ 六级 严重污染 褐红色

AQI 颜色标准(中国)

RGB 颜色 R G B RGB HEX CMYK 颜色 C M Y K CMYK HEX
绿色 0 228 0 #00E400 绿色 CMYK 40 0 100 0 #99FF00
黄色 255 255 0 #FFFF00 黄色 CMYK 0 0 100 0 #FFFF00
橙色 255 126 0 #FF7E00 橙色 CMYK 0 52 100 0 #FF7A00
红色 255 0 0 #FF0000 红色 CMYK 0 100 100 0 #FF0000
紫色 153 0 76 #99004C 紫色 CMYK 10 100 40 30 #A0006B
褐红色 126 0 35 #7E0023 褐红色 CMYK 30 100 100 30 #7C0000

AQI (USA)

计算方法参考 US EPA: Technical Assistance Document for the Reporting of Daily Air Quality – the Air Quality Index (AQI)

AQI Range

AQI Range Descriptor Color
0 to 50 Good Green
51 to 100 Moderate Yellow
101 to 150 Unhealthy for Sensitive Groups Orange
151 to 200 Unhealthy Red
201 to 300 Very Unhealthy Purple
301+ Hazardous Maroon

AQI Color

RGB Color R G B RGB HEX CMYK Color C M Y K CMYK HEX
Green 0 228 0 #00E400 Green CMYK 40 0 100 0 #99FF00
Yellow 255 255 0 #FFFF00 Yellow CMYK 0 0 100 0 #FFFF00
Orange 255 126 0 #FF7E00 Orange CMYK 0 52 100 0 #FF7A00
Red 255 0 0 #FF0000 Red CMYK 0 100 100 0 #FF0000
Purple 143 63 151 #8F3F97 Purple CMYK 5 58 0 41 #8F3F96
Maroon 126 0 35 #7E0023 Maroon CMYK 30 100 100 30 #7D0000

使用方法

安装

pip install aqi-hub

中国 AQI 计算

1 AQI 计算

from aqi_hub.aqi_cn.aqi import cal_aqi_cn

# 1.1 计算小时值 AQI
aqi, iaqi = cal_aqi_cn(
    pm25=45, pm10=80, so2=35, no2=85, co=3, o3=140, data_type="hourly"
)
print("测试数据 1:")
print(f"AQI: {aqi}")
print(f"IAQI: {iaqi}")

# 1.2 计算日均值 AQI
aqi, iaqi = cal_aqi_cn(
    pm25=120, pm10=180, so2=65, no2=150, co=8, o3=200, data_type="daily"
)
print("\n测试数据 2:")
print(f"AQI: {aqi}")
print(f"IAQI: {iaqi}")

2 IAQI 计算

from aqi_hub.aqi_cn.aqi import cal_iaqi_cn

# 2.1 计算 PM2.5 的 IAQI
pm25_iaqi = cal_iaqi_cn("PM25_24H", 120)
print(f"PM25_24H IAQI: {pm25_iaqi}")

# 2.2 计算 PM10 的 IAQI
pm10_iaqi = cal_iaqi_cn("PM10_24H", 180)
print(f"PM10_24H IAQI: {pm10_iaqi}")

3 空气质量等级

from aqi_hub.aqi_cn.aqi import get_aqi_level

# 3.1 计算 AQI
level = get_aqi_level(120)
print(f"AQI 等级: {level}")

4 空气质量等级颜色

from aqi_hub.aqi_cn.aqi import get_aqi_level_color

# 4.1 计算 AQI 等级颜色
color = get_aqi_level_color(1, "RGB")
print(f"AQI 等级颜色: {color}")

# 4.2 计算 AQI 等级颜色
color = get_aqi_level_color(2, "CMYK")
print(f"AQI 等级颜色: {color}")

# 4.3 计算 AQI 等级颜色
color = get_aqi_level_color(3, "RGB_HEX")
print(f"AQI 等级颜色: {color}")

# 4.4 计算 AQI 等级颜色
color = get_aqi_level_color(4, "CMYK_HEX")
print(f"AQI 等级颜色: {color}")

5 污染物计算

from aqi_hub.aqi_cn.aqi import cal_primary_pollutant, cal_exceed_pollutant

# 5.1 计算主要污染物
iaqi = {
    "PM25": 120,
    "PM10": 180,
    "SO2": 65,
    "NO2": 150,
    "CO": 8,
    "O3": 200,
}
primary_pollutant = cal_primary_pollutant(iaqi)
print(f"主要污染物: {primary_pollutant}")

# 5.2 计算超标污染物
exceed_pollutant = cal_exceed_pollutant(iaqi)
print(f"超标污染物: {exceed_pollutant}")

美国 AQI 计算


返回值说明

支持的污染物

污染物 中国标准单位 美国标准单位 单位换算(25℃,1标准大气压)
PM2.5 μg/m³ μg/m³ 相同
PM10 μg/m³ μg/m³ 相同
O3 μg/m³ ppb 1 ppb = 1.962 μg/m³
CO mg/m³ ppm 1 ppm = 1.145 mg/m³
NO2 μg/m³ ppb 1 ppb = 1.88 μg/m³
SO2 μg/m³ ppb 1 ppb = 2.62 μg/m³

参考文献

  1. HJ 633--2012 环境空气质量指数 (AQI) 技术规定 (试行).pdf
  2. Technical Assistance Document for the Reporting of Daily Air Quality – the Air Quality Index (AQI)

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