air-db is a data access layer (DAL) to easily query atmospheric time series datasets from various sources. air-db does not include any database. It is required to install corresponding database to work air-db properly.
To install sample database:
from airdb import Database
Database.install_sample()A database query can be implemented as follows:
from airdb import Database
db = Database('samp', return_type='df')
q = db.query(param=['so2', 'pm10'], city='istanbul', date=['>2010-05-10', '<2012-10-07'], month=5)
print(q)
del db # close connection to databaseand the output is:
param reg city sta date value
0 pm10 marmara istanbul çatladıkapı 2010-05-10 00:00:00 0.798218
1 pm10 marmara istanbul çatladıkapı 2010-05-10 01:00:00 0.946180
2 pm10 marmara istanbul çatladıkapı 2010-05-10 02:00:00 0.884385
3 pm10 marmara istanbul çatladıkapı 2010-05-10 03:00:00 0.537993
4 pm10 marmara istanbul çatladıkapı 2010-05-10 04:00:00 0.136689
... ... ... ... ... ... ...
16123 so2 marmara istanbul şirinevler mthm 2012-05-31 19:00:00 0.697663
16124 so2 marmara istanbul şirinevler mthm 2012-05-31 20:00:00 0.615755
16125 so2 marmara istanbul şirinevler mthm 2012-05-31 21:00:00 0.489289
16126 so2 marmara istanbul şirinevler mthm 2012-05-31 22:00:00 0.385102
16127 so2 marmara istanbul şirinevler mthm 2012-05-31 23:00:00 0.039451
[16128 rows x 6 columns]