Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Environment
Composting Impact Calculator
Estimate the annual pounds of organic material diverted from landfill based on your weekly composting of food scraps, yard waste, and paper. Useful for households and community gardens tracking yearly impact.
Fill in the required fields to see your result.
Environment
Air Quality Index Calculator
Estimate the dominant Air Quality Index (AQI) value from PM2.5, PM10, ozone, and NO2 concentrations using a simplified maximum-pollutant formula. Use it for indoor air quality monitoring or rough comparison against EPA outdoor AQI categories.
Fill in the required fields to see your result.
Key differences
| Composting Impact Calculator | Air Quality Index Calculator | |
|---|---|---|
| Category | Environment | Environment |
| Inputs required | 3 | 5 |
| Result | Annual CO2 Reduction (lbs CO2) | Air Quality Index (AQI) (AQI) |
| What it does | Estimate the annual pounds of organic material diverted from landfill based on your weekly composting of food scraps, yard waste, and paper. Useful for households and community gardens tracking yearly impact. | Estimate the dominant Air Quality Index (AQI) value from PM2.5, PM10, ozone, and NO2 concentrations using a simplified maximum-pollutant formula. Use it for indoor air quality monitoring or rough comparison against EPA outdoor AQI categories. |