app_streamlit.py

import streamlit as st
import pandas as pd
import numpy as np
import datetime
import hopsworks
from functions import figure, retrieve
import os
import pickle
import plotly.express as px
import json
from datetime import datetime
import os


# Real data
today = datetime.today().strftime('%Y-%m-%d')
df = retrieve.get_merged_dataframe()
n = len(df[df['pm25'].isna()]) - 1

# Dummmy data
# size = 400
# data = {
#     'date': pd.date_range(start='2023-01-01', periods=size, freq='D'),
#     'pm25': np.random.randint(50, 150, size=size),
#     'predicted_pm25': np.random.randint(50, 150, size=size)
# }
# df = pd.DataFrame(data)

# Page configuration

st.set_page_config(
    page_title="Air Quality Prediction",
    page_icon="🧊",
    layout="wide",
    initial_sidebar_state="expanded",
    menu_items={
        'About': "# Air Quality Prediction"
    }
)

st.title('Lahore Air Quality')
st.subheader('Forecast and hindcast')
st.subheader('Unit: PM25 - particle matter of diameter < 2.5 micrometers')

# Plotting
fig = figure.plot(df, n=n)
st.plotly_chart(fig, use_container_width=True)