| Indicator | Reasoning | Assessment grade | Confidence | |||||
|---|---|---|---|---|---|---|---|---|
| Very low |
Low | Moderate | High | Very high |
In state grade | In trend grade | ||
| Emissions to the airshed | Most emissions are controlled below levels of concern. Wood smoke and motor vehicle emissions occasionally exceed levels of concern | Stable | Adequate high-quality evidence and high level of consensus | Adequate high-quality evidence and high level of consensus | ||||