<script>
    $.ajax({
        type: "GET",
        url: "http://spartacodingclub.shop/sparta_api/seoulair",
        data: {},
        success: function (response) {
            let rows = response['RealtimeCityAir']['row']
            for (let i = 0; i < rows.length; i++) {
                let gu_name = rows[i]['MSRSTE_NM']
            }
        })