diff --git a/airquality.js b/airquality.js
new file mode 100644
index 0000000..4b94b96
--- /dev/null
+++ b/airquality.js
@@ -0,0 +1,147 @@
+const axios = require('axios');
+
+const cities = [
+    { id: 1, name: "Adana", latitude: 36.98542, longitude: 35.32502 },
+    { id: 2, name: "Adıyaman", latitude: 37.762990, longitude: 38.277298 },
+    { id: 3, name: "Afyonkarahisar", latitude: 38.756217, longitude: 30.537846 },
+    { id: 4, name: "Ağrı", latitude: 39.718993, longitude: 43.047663 },
+    { id: 5, name: "Amasya", latitude: 40.656314, longitude: 35.837068 },
+    { id: 6, name: "Ankara", latitude: 39.942928, longitude: 32.860481 },
+    { id: 7, name: "Antalya", latitude: 36.896126, longitude: 30.713081 },
+    { id: 8, name: "Artvin", latitude: 41.181310, longitude: 41.820537 },
+    { id: 9, name: "Aydın", latitude: 37.838044, longitude: 27.845571 },
+    { id: 10, name: "Balıkesir", latitude: 39.644878, longitude: 27.885361 },
+    { id: 11, name: "Bilecik", latitude: 40.142960, longitude: 29.979159 },
+    { id: 12, name: "Bingöl", latitude: 38.88472, longitude: 40.496391 },
+    { id: 13, name: "Bitlis", latitude: 38.400664, longitude: 42.108971 },
+    { id: 14, name: "Bolu", latitude: 40.732006, longitude: 31.607052 },
+    { id: 15, name: "Burdur", latitude: 37.718293, longitude: 30.282248 },
+    { id: 16, name: "Bursa", latitude: 40.182816, longitude: 29.066148 },
+    { id: 17, name: "Çanakkale", latitude: 40.146777, longitude: 26.408220 },
+    { id: 18, name: "Çankırı", latitude: 40.600190, longitude: 33.616304 },
+    { id: 19, name: "Çorum", latitude: 40.549853, longitude: 34.953694 },
+    { id: 20, name: "Denizli", latitude: 37.783026, longitude: 29.096246 },
+    { id: 21, name: "Diyarbakır", latitude: 37.9137, longitude: 40.224899 },
+    { id: 22, name: "Edirne", latitude: 41.675907, longitude: 26.553608 },
+    { id: 23, name: "Elazığ", latitude: 38.6763, longitude: 39.221802 },
+    { id: 24, name: "Erzincan", latitude: 39.75, longitude: 39.5 },
+    { id: 25, name: "Erzurum", latitude: 39.905994, longitude: 41.273784 },
+    { id: 26, name: "Eskişehir", latitude: 39.766724, longitude: 30.525608 },
+    { id: 27, name: "Gaziantep", latitude: 37.062931, longitude: 37.378159 },
+    { id: 28, name: "Giresun", latitude: 40.917921, longitude: 38.389876 },
+    { id: 29, name: "Gümüşhane", latitude: 40.458673, longitude: 39.478961 },
+    { id: 30, name: "Hakkari", latitude: 37.578120, longitude: 43.733805 },
+    { id: 31, name: "Hatay", latitude: 36.202621, longitude: 36.160045 },
+    { id: 32, name: "Isparta", latitude: 37.762627, longitude: 30.553612 },
+    { id: 33, name: "Mersin", latitude: 36.810307, longitude: 34.620414 },
+    { id: 34, name: "İstanbul", latitude: 41.046419, longitude: 29.033115 },
+    { id: 35, name: "İzmir", latitude: 38.423652, longitude: 27.142797 },
+    { id: 36, name: "Kars", latitude: 40.601469, longitude: 43.097496 },
+    { id: 37, name: "Kastamonu", latitude: 41.378133, longitude: 33.776539 },
+    { id: 38, name: "Kayseri", latitude: 38.722100, longitude: 35.489122 },
+    { id: 39, name: "Kırklareli", latitude: 41.735547, longitude: 27.224502 },
+    { id: 40, name: "Kırşehir", latitude: 39.146209, longitude: 34.160577 },
+    { id: 41, name: "Kocaeli", latitude: 40.765600, longitude: 29.940659 },
+    { id: 42, name: "Konya", latitude: 37.872817, longitude: 32.491991 },
+    { id: 43, name: "Kütahya", latitude: 39.419993, longitude: 29.985721 },
+    { id: 44, name: "Malatya", latitude: 38.355390, longitude: 38.333476 },
+    { id: 45, name: "Manisa", latitude: 38.614027, longitude: 27.429533 },
+    { id: 46, name: "Kahramanmaraş", latitude: 37.582047, longitude: 36.926934 },
+    { id: 47, name: "Mardin", latitude: 37.313051, longitude: 40.732555 },
+    { id: 48, name: "Muğla", latitude: 37.215266, longitude: 28.363718 },
+    { id: 49, name: "Muş", latitude: 38.732415, longitude: 41.489878 },
+    { id: 50, name: "Nevşehir", latitude: 38.623861, longitude: 34.712756 },
+    { id: 51, name: "Niğde", latitude: 37.969110, longitude: 34.678619 },
+    { id: 52, name: "Ordu", latitude: 40.985592, longitude: 37.879123 },
+    { id: 53, name: "Rize", latitude: 41.025113, longitude: 40.516397 },
+    { id: 54, name: "Sakarya", latitude: 40.773626, longitude: 30.403235 },
+    { id: 55, name: "Samsun", latitude: 41.28157, longitude: 36.33812 },
+    { id: 56, name: "Siirt", latitude: 37.927462, longitude: 41.942270 },
+    { id: 57, name: "Sinop", latitude: 42.026596, longitude: 35.151245 },
+    { id: 58, name: "Sivas", latitude: 39.750528, longitude: 37.015028 },
+    { id: 59, name: "Tekirdağ", latitude: 40.978127, longitude: 27.511091 },
+    { id: 60, name: "Tokat", latitude: 40.323397, longitude: 36.552149 },
+    { id: 61, name: "Trabzon", latitude: 41.001289, longitude: 39.716549 },
+    { id: 62, name: "Tunceli", latitude: 39.106339, longitude: 39.549694 },
+    { id: 63, name: "Şanlıurfa", latitude: 37.158216, longitude: 38.796905 },
+    { id: 64, name: "Uşak", latitude: 38.680692, longitude: 29.414491 },
+    { id: 65, name: "Van", latitude: 38.495711, longitude: 43.382035 },
+    { id: 66, name: "Yozgat", latitude: 39.819880, longitude: 34.807030 },
+    { id: 67, name: "Zonguldak", latitude: 41.456437, longitude: 31.798535 },
+    { id: 68, name: "Aksaray", latitude: 38.36869, longitude: 34.03698 },
+    { id: 69, name: "Bayburt", latitude: 40.258763, longitude: 40.226103 },
+    { id: 70, name: "Karaman", latitude: 37.181008, longitude: 33.221007 },
+    { id: 71, name: "Kırıkkale", latitude: 39.846821, longitude: 33.515251 },
+    { id: 72, name: "Batman", latitude: 37.888176, longitude: 41.131005 },
+    { id: 73, name: "Şırnak", latitude: 37.513690, longitude: 42.457748 },
+    { id: 74, name: "Bartın", latitude: 41.634673, longitude: 32.336074 },
+    { id: 75, name: "Ardahan", latitude: 41.110480, longitude: 42.703964 },
+    { id: 76, name: "Iğdır", latitude: 39.919672, longitude: 44.042573 },
+    { id: 77, name: "Yalova", latitude: 40.655844, longitude: 29.269269 },
+    { id: 78, name: "Karabük", latitude: 41.200000, longitude: 32.627676 },
+    { id: 79, name: "Kilis", latitude: 36.715556, longitude: 37.115000 },
+    { id: 80, name: "Osmaniye", latitude: 37.072991, longitude: 36.256844 },
+    { id: 81, name: "Düzce", latitude: 40.843062, longitude: 31.159222 },
+];
+
+function getAqiLabel(aqi) {
+  if (aqi <= 50) return 'İyi';
+  if (aqi <= 100) return 'Orta';
+  if (aqi <= 150) return 'Hassas';
+  if (aqi <= 200) return 'Sağlıksız';
+  if (aqi <= 300) return 'Çok Sağlıksız';
+  return 'Tehlikeli';
+}
+
+function formatAqiMessage(city, data) {
+  const aqi = data.us_aqi;
+  const label = getAqiLabel(aqi);
+  const pm25 = parseFloat(data.pm2_5.toFixed(1));
+  const pm10 = parseFloat(data.pm10.toFixed(1));
+  const no2 = parseFloat(data.nitrogen_dioxide.toFixed(1));
+  const o3 = parseFloat(data.ozone.toFixed(1));
+  const co = Math.round(data.carbon_monoxide);
+  return `${city.name} AQI:${aqi} ${label}\nPM2.5:${pm25} PM10:${pm10} NO2:${no2} O3:${o3} CO:${co}`;
+}
+
+async function fetchAirQuality(city, utils) {
+  try {
+    const response = await axios.get(
+      `https://air-quality-api.open-meteo.com/v1/air-quality` +
+      `?latitude=${city.latitude}&longitude=${city.longitude}` +
+      `&current=us_aqi,pm2_5,pm10,nitrogen_dioxide,ozone,carbon_monoxide`
+    );
+    const data = response.data.current;
+    const message = formatAqiMessage(city, data);
+    utils.publishMessage(4294967295, message);
+    utils.sendDiscord(message);
+  } catch (error) {
+    console.error('AirQuality API Error:', error.message);
+    utils.publishMessage(4294967295, 'Hava kalitesi verisi alınamadı.');
+  }
+}
+
+module.exports = {
+  name: 'airquality',
+  description: 'Hava kalitesi sorgulama — /air [şehir_id]',
+  run: async (message, utils) => {
+    const args = message.substring(utils.PREFIX.length).split(' ');
+    const command = args[0].toLowerCase();
+
+    if (command === 'air') {
+      const plaka = args[1];
+      if (!plaka || isNaN(plaka)) {
+        utils.publishMessage(4294967295, 'Geçersiz şehir ID. /air [1-81]');
+        return;
+      }
+      const city = cities.find(c => c.id === parseInt(plaka));
+      if (!city) {
+        utils.publishMessage(4294967295, 'Geçersiz şehir ID. /air [1-81]');
+        return;
+      }
+      await fetchAirQuality(city, utils);
+    }
+  },
+  getAqiLabel,
+  formatAqiMessage,
+};