diff --git a/src/handler.js b/src/handler.js
index 0378cca..400f39c 100644
--- a/src/handler.js
+++ b/src/handler.js
@@ -55,7 +55,15 @@ module.exports.cron = rollbar.wrap(async () => {
     const prevLevel = getLevel(get(JSON.parse(previousData), "data.aqi", 0));
     const curLevel = getLevel(get(JSON.parse(currentData), "data.aqi", 0));
     if (prevLevel !== curLevel) {
-      await slack.message.channel(process.env.SLACK_CHANNEL, "hi");
+      const info = levels[curLevel];
+      const msg = [
+        `*Air Quality Index*: \`${info.level}\``,
+        `_${info.impact}_`,
+        info.recommendation,
+        info.image,
+        `*Reference*: \`https://aqicn.org/city/${process.env.CITY}\``
+      ].join("\\n\\n");
+      await slack.message.channel(process.env.SLACK_CHANNEL, msg);
       return "changed";
     }
   }
diff --git a/src/levels.json b/src/levels.json
index 0c8e876..3f04562 100644
--- a/src/levels.json
+++ b/src/levels.json
@@ -3,36 +3,42 @@
     "level": "Good",
     "impact": "Air quality is considered satisfactory, and air pollution poses little or no risk",
     "recommendation": "None",
-    "color": "009966"
+    "color": "009966",
+    "image": "https://i.imgur.com/v9u61Jl.png"
   },
   "51": {
     "level": "Moderate",
     "impact": "Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.",
     "recommendation": "Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.",
-    "color": "ffde33"
+    "color": "ffde33",
+    "image": "https://i.imgur.com/gYLQAnO.png"
   },
   "101": {
     "level": "Unhealthy for Sensitive Groups",
     "impact": "Members of sensitive groups may experience health effects. The general public is not likely to be affected.",
     "recommendation": "Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.",
-    "color": "ff9933"
+    "color": "ff9933",
+    "image": "https://i.imgur.com/r7Tt3tI.png"
   },
   "151": {
     "level": "Unhealthy",
     "impact": "Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects",
     "recommendation": "Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion",
-    "color": "cc0033"
+    "color": "cc0033",
+    "image": "https://i.imgur.com/Usn9IGl.png"
   },
   "201": {
     "level": "Very Unhealthy",
     "impact": "Health warnings of emergency conditions. The entire population is more likely to be affected.",
     "recommendation": "Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.",
-    "color": "660099"
+    "color": "660099",
+    "image": "https://i.imgur.com/Dk5mjog.png"
   },
   "301": {
     "level": "Hazardous",
     "impact": "Health alert: everyone may experience more serious health effects",
     "recommendation": "Everyone should avoid all outdoor exertion",
-    "color": "7e0023"
+    "color": "7e0023",
+    "image": "https://i.imgur.com/6BkELwv.png"
   }
 }