Portland Air Quality Reaches Moderate Levels
The air quality in Portland, Oregon, is currently rated as 'Moderate' on the Air Quality Index (AQI) scale, which ranges from 0 to 500. This means that while air quality is generally acceptable, there may be a moderate health concern for a small number of individuals who are unusually sensitive to air pollution. The AQI scale categorizes air quality into six levels, with 'Moderate' falling between 51 and 100. Higher levels, such as 'Unhealthy' (151-200), 'Very Unhealthy' (201-300), and 'Hazardous' (300+), indicate progressively severe health risks for the general population.
