YearPercentage days with good airPercentage days with moderate airPercentage days with unhealthy air for sensitive groupsPercentage days with unhealthy air
199783.26%14.42%2.33%0.00%
199876.28%19.53%4.19%0.00%
199982.79%13.49%3.72%0.00%
200090.23%8.84%0.93%0.00%
200177.67%19.07%3.26%0.00%
200278.14%14.42%7.44%0.00%
200386.05%12.09%1.86%0.00%
200490.00%9.52%0.48%0.00%
200555.27%41.82%2.91%0.00%
200686.15%13.85%0.00%0.00%
200788.14%11.86%0.00%0.00%