diff --git a/README.md b/README.md
index 1d4ca00..fb116d1 100644
--- a/README.md
+++ b/README.md
@@ -254,11 +254,11 @@ The IAQ index is calculated based on the TVOC and eCO2 values from the SGP30
 sensor, to provide 5 levels of air quality. This corresponds approximately
 to the levels provided by the BME680 (0-50, 50-100, 100-200, 200-300, 300+).
 
-5 is "excellent": the TVOC is <65 ppb and the eCO2 is <600 ppm.
+5 is "great": the TVOC is <65 ppb and the eCO2 is <600 ppm.
 4 is "good": the TVOC is 65-220 ppb or the eCO2 is 600-800 ppm.
-3 is "moderate": the TVOC is 220-660 ppb or the eCO2 is 800-1200 ppm.
+3 is "fair": the TVOC is 220-660 ppb or the eCO2 is 800-1200 ppm.
 2 is "poor": the TVOC is 660-2200 ppb or the eCO2 is 1200-2000 ppm.
-1 is "unhealthy": the TVOC is >2200 ppb or the eCO2 is >2000 ppm.
+1 is "bad": the TVOC is >2200 ppb or the eCO2 is >2000 ppm.
 
 #### Room Health Score (1-4)
 
@@ -267,8 +267,8 @@ and is designed to show how "nice" a room is to be in. Generally a 4 is a nice
 place to be, especially for someone with respiratory issues like myself, and lower
 scores indicate more deviations from the norms or poor IAQ.
 
-4 is "optimal": IAQ is >= 4 ("excellent" or "good"), temperature is between 18C and 24C, and humidity is between 40% and 60%.
-3 is "fair": One of the above is not true, and IAQ is >= 3 ("moderate").
+4 is "optimal": IAQ is >= 4 ("great" or "good"), temperature is between 18C and 24C, and humidity is between 40% and 60%.
+3 is "fair": One of the above is not true, and IAQ is >= 3 ("fair").
 2 is "poor": Two of the above are not true, and IAQ is >= 2 ("poor").
 1 is "bad": All of the above are not true or IAQ is 1 ("unhealthy") regardless of other values.
 
@@ -281,15 +281,15 @@ what is wrong with the room.
 
 #### VOC Level
 
-This reports the VOC level alone, based on the scale under IAQ Index, in textual form ("Excellent, "Good", etc.).
+This reports the VOC level alone, based on the scale under IAQ Index, in textual form ("Great, "Good", etc.).
 
 #### CO2 Level
 
-This reports the eCO2 level alone, based on the scale under IAQ Index, in textual form ("Excellent, Good", etc.).
+This reports the eCO2 level alone, based on the scale under IAQ Index, in textual form ("Great, Good", etc.).
 
 #### IAQ Classification
 
-This reports the IAQ Index in textual form ("Excellent", "Good", etc.).
+This reports the IAQ Index in textual form ("Great", "Good", etc.).
 
 #### Room Health
 
diff --git a/supersensor.yaml b/supersensor.yaml
index d87751d..33f383f 100644
--- a/supersensor.yaml
+++ b/supersensor.yaml
@@ -586,18 +586,18 @@ sensor:
       return (b * alpha) / (a - alpha);
     update_interval: 15s
 
-  # IAQ Index (1-5, 5=Excellent)
+  # IAQ Index (1-5, 5=Great))
   - platform: template
     name: "IAQ Index"
     id: iaq_index
     lambda: |-
       int tvoc = id(sgp30_tvoc).state;
       int eco2 = id(sgp30_eco2).state;
-      if (tvoc > 2200 || eco2 > 2000) return 1; // Unhealthy
+      if (tvoc > 2200 || eco2 > 2000) return 1; // Bad
       if (tvoc > 660 || eco2 > 1200) return 2; // Poor
-      if (tvoc > 220 || eco2 > 800) return 3; // Moderate
+      if (tvoc > 220 || eco2 > 800) return 3; // Fair
       if (tvoc > 65 || eco2 > 500) return 4; // Good
-      return 5; // Excellent
+      return 5; // Great
     update_interval: 15s
 
   # Room Health Score (1-4, 4=Optimal)
@@ -752,11 +752,11 @@ text_sensor:
     name: "VOC Level"
     lambda: |-
       int tvoc = id(sgp30_tvoc).state;
-      if (tvoc < 65) return {"Excellent"};
+      if (tvoc < 65) return {"Great"};
       if (tvoc < 220) return {"Good"};
-      if (tvoc < 660) return {"Moderate"};
+      if (tvoc < 660) return {"Fair"};
       if (tvoc < 2200) return {"Poor"};
-      return {"Unhealthy"};
+      return {"Bad"};
     update_interval: 15s
 
   # CO2 Level
@@ -764,11 +764,11 @@ text_sensor:
     name: "CO2 Level"
     lambda: |-
       int eco2 = id(sgp30_eco2).state;
-      if (eco2 < 500) return {"Excellent"};
+      if (eco2 < 500) return {"Great"};
       if (eco2 < 800) return {"Good"};
-      if (eco2 < 1200) return {"Moderate"};
+      if (eco2 < 1200) return {"Fair"};
       if (eco2 < 2000) return {"Poor"};
-      return {"Unhealthy"};
+      return {"Bad"};
     update_interval: 15s
 
   # IAQ Classification
@@ -776,11 +776,11 @@ text_sensor:
     name: "IAQ Classification"
     lambda: |-
       int iaq = id(iaq_index).state;
-      if (iaq == 5) return {"Excellent"};
+      if (iaq == 5) return {"Great"};
       if (iaq == 4) return {"Good"};
-      if (iaq == 3) return {"Moderate"};
+      if (iaq == 3) return {"Fair"};
       if (iaq == 2) return {"Poor"};
-      return {"Unhealthy"};
+      return {"Bad"};
     update_interval: 15s
 
   # Room Health