針對無障礙 2.0 AA標準進行修正
台灣即時空氣品質(AQI),有相關空氣資料的監測點如下(儘量已編號為主,較為準確):
15861587158815891590159115921593159415951651165415961597159815991600160116481602160316041605160616521607160816091610161116121613161416151616161716181619162016211653165616221623162616611624162516271628162916301631163216331634163516361637163816391640164116421655164316441645164916501646166016471658165916578768$cityid = '1631';
$city   = 'tainan'; //若有上方代號,此處可不填
//欲更改城市位置,可至 https://www.tad0616.net/modules/tad_modules/index.php?module_sn=100 查看縣市鄉鎮的英文名稱,並於上方填入城市代號(必填)及英文名稱(選填)即可。
//以下請勿動
if (empty($cityid)) {
    $url  = 'http://api.waqi.info/search/?token=32f529a1fc2b16476338548abb4f281f22509d94&keyword=' . $city;
    $data = get_aqi_json($url);
    if (!empty($data)) {
        $json   = json_decode($data, 1);
        $cityid = $json['data'][0]['uid'];
    } else {
        echo "<a href='http://aqicn.org/city/taiwan/$city/' target='_blank'>抓不到指定城市 $city 的城市代號資料,請稍後重試</a>";
    }
}
if (!function_exists('get_aqi_json')) {
    function get_aqi_json($url)
    {
        $data = '';
        if (function_exists('curl_init')) {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
            curl_setopt($ch, CURLOPT_HEADER, false);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_REFERER, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 2);
            curl_setopt($ch, CURLOPT_TIMEOUT, 2);
            $data = curl_exec($ch);
            curl_close($ch);
        } else {
            $arrContextOptions = array(
                "ssl" => array(
                    "verify_peer"      => false,
                    "verify_peer_name" => false,
                ),
            );
            $data = file_get_contents($url, false, stream_context_create($arrContextOptions));
        }
        return $data;
    }
}
if (!empty($cityid)) {
    $url1  = "https://api.waqi.info/api/feed/@{$cityid}/obs.en.json";
    $data1 = get_aqi_json($url1);
    if (!empty($data1)) {
        $aqi = json_decode($data1, 1);
        $cityname  = $aqi['rxs']['obs'][0]['msg']['city']['name'];
        $detail    = $aqi['rxs']['obs'][0]['msg']['city']['url'];
        $microtime = microtime(true) * 1000;
        $url2      = "https://alpha.waqi.info/xservices/refresh:{$cityid}?_" . $microtime;
        $data2     = get_aqi_json($url2);
        if (!empty($data2)) {
            $now = json_decode($data2, 1);
            $aqiv  = $now['aqiv'];
            $utime = date('Y年m月d日 H時i分', $now['mtime']);
            if ($aqiv <= 50) {
                $n       = 1;
                $rank    = "優";
                $desc    = "空氣質量令人滿意,基本無空氣污染";
                $suggest = "各類人群可正常活動";
                $color   = '#009966';
                $color2  = 'rgba(0, 153, 102, 0.1)';
            } elseif ($aqiv <= 100) {
                $n       = 2;
                $rank    = "良";
                $desc    = "空氣質量可接受,但某些污染物可能對極少數異常敏感人群健康有較弱影響";
                $suggest = "極少數異常敏感人群應減少戶外活動";
                $color   = '#FFDE33';
                $color2  = 'rgba(255, 222, 51, 0.1)';
            } elseif ($aqiv <= 150) {
                $n       = 3;
                $rank    = "輕度污染";
                $desc    = "易感人群症狀有輕度加劇,健康人群出現刺激症狀";
                $suggest = "兒童、老年人及心臟病、呼吸系統疾病患者應減少長時間、高強度的戶外鍛鍊";
                $color   = '#FF9933';
                $color2  = 'rgba(255, 153, 51, 0.1)';
            } elseif ($aqiv <= 200) {
                $n       = 4;
                $rank    = "中度污染";
                $desc    = "進一步加劇易感人群症狀,可能對健康人群心臟、呼吸系統有影響";
                $suggest = "兒童、老年人及心臟病、呼吸系統疾病患者避免長時間、高強度的戶外鍛鍊,一般人群適量減少戶外運動";
                $color   = '#CC0033';
                $color2  = 'rgba(204, 0, 51, 0.1)';
            } elseif ($aqiv <= 300) {
                $n       = 5;
                $rank    = "重度污染";
                $desc    = "心臟病和肺病患者症狀顯著加劇,運動耐受力降低,健康人群普遍出現症狀";
                $suggest = "兒童、老年人及心臟病、肺病患者應停留在室內,停止戶外運動,一般人群減少戶外運動";
                $color   = '#660099';
                $color2  = 'rgba(102, 0, 153, 0.1)';
            } else {
                $n       = 6;
                $rank    = "嚴重污染";
                $desc    = "健康人群運動耐受力降低,有明顯強烈症狀,提前出現某些疾病";
                $suggest = "兒童、老年人和病人應停留在室內,避免體力消耗,一般人群避免戶外活動";
                $color   = '#7E0023';
                $color2  = 'rgba(126, 0, 35, 0.1)';
            }
            $widget = "
                <div style='border: 1px solid $color; border-radius: 6px; width: 100%; background: $color2; padding: 0x; '>
                    <div style=\"font-family: 'Microsoft JhengHei','Segoe UI',Arial,Verdana,fantasy; margin: 10px 15px;\">
                        <div style='font-size: 1.3em; font-weight: bold;'><a href='{$detail}' target='_blank'>{$cityname}</a>的即時空氣品質</div>
                        <div style='font-size: 0.8em;'>{$utime}</div>
                    </div>
                    <div style=\"font-family: 'Microsoft JhengHei','Segoe UI',Arial,Verdana,fantasy; margin: 10px 10px; padding: 6px 15px; background-color: white; position: relative; overflow: hidden;\">
                        <div style='font-size: 2.2em;'>
                            <span style='font-family: Verdana; background-color: {$color}; color: white; border-radius: 6px;padding: 2px 10px;text-shadow: rgb(3, 3, 3) 1px 1px 1px;'>{$aqiv}</span>
                            <span style='color: {$color};'>{$rank}</span>
                        </div>
                        
                        <div style=\"font-family: 'Segoe UI',Arial,Verdana,fantasy; margin: 10px 15px 0px; font-size: 0.75em;\">
                            <div>{$desc}</div>
                            <div>{$suggest}</div>
                        </div>
                        <img src='https://campus-xoops.tn.edu.tw/uploads/aqi_{$n}.svg' style='width:160px; height:160px; position: absolute; top:-28px; right:-30px;' alt='{$desc}'>
                    </div>
                </div>";
            echo $widget;
        } else {
            echo "<a href='http://aqicn.org/city/taiwan/$city/' target='_blank'>抓不到指定城市 $city 的空氣資料,請稍後重試,或點此連到原始網站觀看資料</a>";
        }
    } else {
        echo "<a href='http://aqicn.org/city/taiwan/$city/' target='_blank'>抓不到指定城市 $city 的資料,請稍後重試,或點此連到原始網站觀看資料</a>";
    }
} else {
    echo "<a href='http://aqicn.org/city/taiwan/$city/' target='_blank'>抓不到指定城市 $city 的城市代號資料,請稍後重試,或點此連到原始網站觀看資料</a>";
}
PHP腳本
                左邊
                            針對無障礙 2.0 AA標準進行修正
主要是解決內容一直停留在 2019/05/11 的問題
重新改寫,以支援台灣各地點。
欲更改城市位置,可至 https://www.tad0616.net/modules/tad_modules/index.php?module_sn=100 查看縣市鄉鎮的英文名稱,並於上方填入英文名稱即可。
正式釋出