YearPercentage days with good airPercentage days with moderate airPercentage days with unhealthy air for sensitive groupsPercentage days with unhealthy air
199790.33%8.84%0.83%0.00%
199884.93%12.88%1.92%0.27%
199981.10%16.16%2.74%0.00%
200081.15%18.03%0.82%0.00%
200181.10%18.63%0.27%0.00%
200275.89%19.45%3.84%0.82%
200375.07%22.19%2.47%0.27%
200484.15%13.93%1.91%0.00%
200577.26%21.64%1.10%0.00%
200673.70%25.21%1.10%0.00%
200780.75%18.78%0.00%0.47%