main_api.py

import urllib.parse
import requests

main_api = 'http://api.openaq.org/v1/latest?'

# Main Logic

while True:
    city = input("Location :")
    url = main_api + urllib.parse.urlencode({'city': city})
    json_data = requests.get(url).json()
    status = json_data['meta']['found']
    if status == 0:
        print("There is No data Avalible")
    else:
        formatted_location = json_data['results'][0]['location']
        print(formatted_location)
        for each in json_data['results'][0]['measurements']:
            # print(each['parameter'], each['value'])
            if each['parameter'] == 'co':
                co = each['value']
            elif each['parameter'] == 'so2':
                so2 = each['value']
            elif each['parameter'] == 'pm10':
                pm10 = each['value']
            elif each['parameter'] == 'pm25':
                pm25 = each['value']
            elif each['parameter'] == 'o3':
                o3 = each['value']
            elif each['parameter'] == 'no2':
                no2 = each['value']
        print("CO :", co)
        print("NO2 :", no2)
        print("O3 :", o3)
        print("PM10 :", pm10)
        print("SO2 :", so2)
        print("PM2.5 :", pm25)