The AQI in Macherla is at 97, which places it in the Moderate category. PM2.5 and PM10 are at 32 µg/m³ and 97 µg/m³ . Ozone (O3) levels are at 15 ppb , with NO2 levels at 5 ppb , which may cause mild irritation in sensitive individuals. CO at 385 ppb is within the acceptable limit, so most individuals can still go about their day. However, if you suffer from respiratory conditions, you may want to limit outdoor exposure.