Air Quality Index Summary Archive

2007 - 2020

2020 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	25	6	0	0
FEBRUARY	24	5	0	0
MARCH	26	5	0	0
APRIL	14	16	0	0
MAY	18	13	0	0
JUNE	24	6	0	0
JULY	21	8	2	0
AUGUST	27	4	0	0
SEPTEMBER	26	4	0	0
OCTOBER	29	2	0	0
NOVEMBER	27	3	0	0
DECEMBER	30	1	0	0
TOTAL	291	73	2	0
PERCENT	79.51%	19.95%	0.55%	0.00%

2019 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	27	4	0	0
FEBRUARY	28	0	0	0
MARCH	23	8	0	0
APRIL	24	6	0	0
MAY	27	4	0	0
JUNE	20	10	0	0
JULY	19	12	0	0
AUGUST	30	1	0	0
SEPTEMBER	30	0	0	0
OCTOBER	30	1	0	0
NOVEMBER	26	4	0	0
DECEMBER	26	5	0	0
TOTAL	310	55	0	0
PERCENT	84.93%	15.07%	0.00%	0.00%

2018 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	28	2	0	0
FEBRUARY	28	0	0	0
MARCH	13	18	0	0
APRIL	15	15	0	0
MAY	29	2	0	0
JUNE	25	5	0	0
JULY	13	18	0	0
AUGUST	27	4	0	0
SEPTEMBER	27	3	0	0
OCTOBER	30	1	0	0
NOVEMBER	28	2	0	0
DECEMBER	29	2	0	0
TOTAL	293	72	0	0
PERCENT	80.27%	19.73%	0.00%	0.00%

2017 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	26	5	0	0
FEBRUARY	16	12	0	0
MARCH	26	4	1	0
APRIL	17	13	0	0
MAY	13	14	4	0
JUNE	29	1	0	0
JULY	28	3	0	0
AUGUST	27	4	0	0
SEPTEMBER	24	6	0	0
OCTOBER	26	5	0	0
NOVEMBER	29	1	0	0
DECEMBER	22	9	0	0
TOTAL	283	77	5	0
PERCENT	77.53%	21.10%	1.37%	0.00%

2016 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	30	1	0	0
FEBRUARY	26	3	0	0
MARCH	30	1	0	0
APRIL	24	6	0	0
MAY	17	14	0	0
JUNE	30	0	0	0
JULY	31	0	0	0
AUGUST	22	9	0	0
SEPTEMBER	26	4	0	0
OCTOBER	29	2	0	0
NOVEMBER	20	10	0	0
DECEMBER	26	5	0	0
TOTAL	312	55	0	0
PERCENT	84.98%	15.02%	0.00%	0.00%

2015 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	31	0	0	0
FEBRUARY	26	2	0	0
MARCH	25	6	0	0
APRIL	26	4	0	0
MAY	23	8	0	0
JUNE	24	6	0	0
JULY	17	14	0	0
AUGUST	25	6	0	0
SEPTEMBER	30	0	0	0
OCTOBER	30	0	1	0
NOVEMBER	30	0	0	0
DECEMBER	31	0	0	0
TOTAL	318	46	1	0
PERCENT	87.12%	12.60%	0.27%	0.00%

2014 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	29	2	0	0
FEBRUARY	28	0	0	0
MARCH	31	0	0	0
APRIL	24	6	0	0
MAY	28	3	0	0
JUNE	25	5	0	0
JULY	24	6	1	0
AUGUST	21	10	0	0
SEPTEMBER	25	5	0	0
OCTOBER	31	0	0	0
NOVEMBER	30	0	0	0
DECEMBER	31	0	0	0
TOTAL	327	37	1	0
PERCENT	89.59%	10.14%	0.27%	0.00%

2013 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	29	2	0	0
FEBRUARY	28	0	0	0
MARCH	22	9	0	0
APRIL	30	0	0	0
MAY	24	7	0	0
JUNE	21	9	0	0
JULY	21	10	0	0
AUGUST	27	4	0	0
SEPTEMBER	28	2	0	0
OCTOBER	31	0	1	0
NOVEMBER	30	0	0	0
DECEMBER	31	0	0	0
TOTAL	322	43	0	0
PERCENT	88.22%	11.78%	0.00%	0.00%

2012 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	29	2	0	0
FEBRUARY	29	0	0	0
MARCH	30	1	0	0
APRIL	25	5	1	0
MAY	30	0	0	0
JUNE	23	7	0	0
JULY	17	14	0	0
AUGUST	25	6	0	0
SEPTEMBER	29	1	0	0
OCTOBER	31	0	0	0
NOVEMBER	29	1	0	0
DECEMBER	31	0	0	0
TOTAL	328	37	1	0
PERCENT	89.62%	10.11%	0.27%	0.00%

2011 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	31	0	0	0
FEBRUARY	27	1	0	0
MARCH	28	3	0	0
APRIL	30	0	0	0
MAY	26	5	0	0
JUNE	27	3	0	0
JULY	28	3	0	0
AUGUST	30	1	0	0
SEPTEMBER	30	0	0	0
OCTOBER	31	0	0	0
NOVEMBER	30	0	0	0
DECEMBER	29	2	0	0
TOTAL	347	18	0	0
PERCENT	95.07%	4.93%	0.00%	0.00%

2010 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	29	1	1	0
FEBRUARY	25	3	0	0
MARCH	28	3	0	0
APRIL	26	4	0	0
MAY	24	7	0	0
JUNE	22	8	0	0
JULY	25	6	0	0
AUGUST	29	2	0	0
SEPTEMBER	30	0	0	0
OCTOBER	29	2	0	0
NOVEMBER	30	0	0	0
DECEMBER	30	1	0	0
TOTAL	327	37	1	0
PERCENT	89.59%	10.148%	0.27%	0%

2009 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	29	2	0	0
FEBRUARY	26	2	0	0
MARCH	31	0	0	0
APRIL	20	10	0	0
MAY	31	0	0	0
JUNE	26	4	0	0
JULY	17	14	0	0
AUGUST	24	7	0	0
SEPTEMBER	30	0	0	0
OCTOBER	30	1	0	0
NOVEMBER	30	0	0	0
DECEMBER	31	0	0	0
TOTAL	325	40	0	0
PERCENT	89.04%	10.96%	0%	0%

2008 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	29	2	0	0
FEBRUARY	29	0	0	0
MARCH	26	5	0	0
APRIL	27	3	0	0
MAY	18	12	1	0
JUNE	23	7	0	0
JULY	22	8	1	0
AUGUST	24	6	1	0
SEPTEMBER	27	3	0	0
OCTOBER	28	3	0	0
NOVEMBER	28	2	0	0
DECEMBER	31	0	0	0
TOTAL	312	51	3	0
PERCENT	85.25%	13.93%	0.82%	0%

2007 AIR QUALITY INDEX SUMMARY
MONTH	GOOD DAYS	MODERATE DAYS	UNHEALTHY FOR SENSITIVE GROUP DAYS	UNHEALTHY DAYS
JANUARY	30	1	0	0
FEBRUARY	23	5	0	0
MARCH	27	4	0	0
APRIL	27	3	0	0
MAY	20	5	5	1
JUNE	22	8	0	0
JULY	23	6	1	1
AUGUST	18	13	0	0
SEPTEMBER	29	1	0	0
OCTOBER	31	0	0	0
NOVEMBER	21	9	0	0
DECEMBER	31	0	0	0
TOTAL	302	55	6	2
PERCENT	82.74%	15.07%	1.64%	0.55%

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