int analogPin = A0;  // Define the analog pin for the gas sensor
int threshold = 400; // Set a threshold value to trigger air quality warnings

void setup() {
  Serial.begin(9600);
}

void loop() {
  int sensorValue = analogRead(analogPin);
  Serial.println(sensorValue);
  if (sensorValue > threshold) {
    Serial.println("Air quality is poor! Open windows and ventilate.");
  } else {
    Serial.println("Air quality is good.");
  }

  delay(10000); // Delay for 10 seconds before the next reading
}