{
"cells": [
{
"cell_type": "code",
"id": "initial_id",
"metadata": {
"collapsed": true,
"ExecuteTime": {
"end_time": "2025-04-30T06:40:32.138260Z",
"start_time": "2025-04-30T06:40:32.136555Z"
}
},
"source": [
"from matplotlib import pyplot as plt\n",
"import matplotlib as mpl\n",
"import pandas as pd\n",
"import seaborn as sns\n",
"import warnings\n",
"\n",
"# 忽略所有警告\n",
"warnings.filterwarnings(\"ignore\")"
],
"outputs": [],
"execution_count": 1
},
{
"metadata": {
"ExecuteTime": {
"end_time": "2025-04-30T06:40:32.170204Z",
"start_time": "2025-04-30T06:40:32.161366Z"
}
},
"cell_type": "code",
"source": [
"# 设置中文字体（macOS 上常见中文字体）\n",
"from matplotlib import font_manager as fm\n",
"\n",
"font_path = '/System/Library/Fonts/STHeiti Medium.ttc'\n",
"my_font = fm.FontProperties(fname=font_path)\n",
"mpl.rcParams['font.family'] = my_font.get_name()\n",
"mpl.rcParams['axes.unicode_minus'] = False"
],
"id": "cf27cc8494b7058",
"outputs": [],
"execution_count": 2
},
{
"metadata": {
"ExecuteTime": {
"end_time": "2025-04-30T06:41:28.147681Z",
"start_time": "2025-04-30T06:41:28.107064Z"
}
},
"cell_type": "code",
"source": [
"data = pd.read_csv('./data/aqi.csv')\n",
"data.head(3)"
],
"id": "bca3f037ac5a1256",
"outputs": [
{
"data": {
"text/plain": [
" 日期 AQI 质量等级 PM2.5含量（ppm） PM10含量（ppm） SO2含量（ppm） CO含量（ppm） \\\n",
"0 2020/1/1 79 良 58 64 8 0.7 \n",
"1 2020/1/2 112 轻度污染 84 73 10 1.0 \n",
"2 2020/1/3 68 良 49 51 7 0.8 \n",
"\n",
" NO2含量（ppm） O3_8h含量（ppm） \n",
"0 57 23 \n",
"1 71 7 \n",
"2 49 3 "
],
"text/html": [
"\n",
"\n",
"
\n",
" \n",
" \n",
" | \n",
" 日期 | \n",
" AQI | \n",
" 质量等级 | \n",
" PM2.5含量（ppm） | \n",
" PM10含量（ppm） | \n",
" SO2含量（ppm） | \n",
" CO含量（ppm） | \n",
" NO2含量（ppm） | \n",
" O3_8h含量（ppm） | \n",
"
\n",
" \n",
" \n",
" \n",
" | 0 | \n",
" 2020/1/1 | \n",
" 79 | \n",
" 良 | \n",
" 58 | \n",
" 64 | \n",
" 8 | \n",
" 0.7 | \n",
" 57 | \n",
" 23 | \n",
"
\n",
" \n",
" | 1 | \n",
" 2020/1/2 | \n",
" 112 | \n",
" 轻度污染 | \n",
" 84 | \n",
" 73 | \n",
" 10 | \n",
" 1.0 | \n",
" 71 | \n",
" 7 | \n",
"
\n",
" \n",
" | 2 | \n",
" 2020/1/3 | \n",
" 68 | \n",
" 良 | \n",
" 49 | \n",
" 51 | \n",
" 7 | \n",
" 0.8 | \n",
" 49 | \n",
" 3 | \n",
"
\n",
" \n",
"
\n",
"