Air Quality Index Yearly Summary

Reporting for

Daily AQI Results for all Metro Areas
From results published at 10:56 am PDT

Jan 2021
Date	PM-10	PM-2.5	O3	CO	SO2	NO2
01	23	51	37	10	1	34
01	C561	C561	C44	C561	C540	C1501
02	47	83	32	17	2	37
02	C561	C561	C44	C561	C540	C1501
03	58	112	34	22	2	40
03	C561	C561	C44	C561	C540	C1502
04	56	95	38	20	4	50
04	C561	C561	C1019	C561	C540	C1501
05	40	57	37	11	3	42
05	C561	C561	C601	C1501	C540	C1501
06	54	73	35	21	3	41
06	C561	C561	C24	C561	C540	C561
07	67	97	31	23	4	47
07	C561	C561	C1019	C561	C540	C1501
08	61	99	36	23	4	45
08	C561	C561	C24	C561	C540	C1502
09	30	33	39	5	4	35
09	C561	C561	C73	C561	C540	C561
10	32	61	37	16	2	37
10	C561	C561	C1019	C561	C540	C1501
11	44	70	36	14	3	39
11	C561	C561	C601	C561	C540	C1501
12	60	93	31	22	5	48
12	C561	C561	C24	C561	C540	C561
13	62	92	31	12	5	45
13	C561	C561	C1019	C1501	C540	C1501
14	54	71	36	13	4	44
14	C561	C561	C601	C561	C540	C540
15	51	67	36	19	4	46
15	C561	C561	C24	C561	C540	C1502
16	54	70	37	13	3	37
16	C540	C561	C24	C561	C540	C1502
17	55	92	37	21	4	42
17	C561	C561	C24	C561	C540	C1501
18	55	57	41	10	4	35
18	C540	C561	C71	C561	C540	C1501
19	39	21	36	2	0	15
19	C24	C561	C71	C561	C540	C561
20	31	33	33	12	2	36
20	C540	C561	C24	C561	C540	C1502
21	51	57	34	13	3	38
21	C540	C540	C1019	C561	C540	C1502
22	46	48	43	10	3	34
22	C540	C540	C71	C561	C540	C1502
23	14	21	38	6	1	28
23	C75	C540	C1019	C1501	C540	C561
24	17	36	39	5	1	30
24	C540	C540	C71	C561	C540	C1501
25	10	19	33	5	0	26
25	C561	C1501	C44	C1501	C540	C1501
26	11	32	31	6	0	26
26	C43	C1501	C24	C1501	C540	C1501
27	15	28	37	6	0	30
27	C43	C71	C1019	C1501	C540	C1501
28	22	47	39	8	2	37
28	C540	C540	C1019	C1501	C540	C561
29	11	18	39	6	0	32
29	C561	C1501	C71	C561	C540	C1502
30	21	43	37	11	1	35
30	C540	C540	C71	C561	C540	C1501
31	32	63	36	10	2	37
31	C540	C540	C73	C561	C540	C561

Feb 2021
Date	PM-10	PM-2.5	O3	CO	SO2	NO2
01	26	46	31	11	2	43
01	C540	C540	C73	C561	C540	C1501
02	39	56	32	12	3	38
02	C540	C540	C1019	C561	C540	C1501
03	20	16	46	4	1	29
03	C540	C540	C71	C1501	C540	C561
04	22	14	44	5	1	40
04	C24	C24	C71	C1501	C540	C540
05	26	33	39	11	2	39
05	C540	C540	C44	C1501	C540	C1501
06	77	61	41	16	3	41
06	C24	C24	C71	C561	C540	C561
07	49	71	37	16	3	39
07	C540	C540	C71	C561	C540	C561
08	49	68	46	14	4	46
08	C540	C540	C1019	C561	C540	C561
09	49	60	43	9	4	45
09	C540	C540	C1019	C561	C540	C540
10	41	56	43	12	3	44
10	C540	C540	C24	C561	C540	C1502
11	32	44	39	8	3	36
11	C540	C540	C44	C561	C540	C1502
12	23	25	41	7	0	34
12	C540	C1501	C24	C1501	C540	C1501
13	44	21	44	4	0	30
13	C540	C540	C71	C561	C540	C561
14	12	12	43	6	0	27
14	C540	C75	C71	C1501	C540	C1501
15	22	30	40	6	2	34
15	C540	C540	C73	C1501	C540	C1501
16	16	11	44	2	0	22
16	C540	C1501	C71	C561	C540	C1501
17	14	10	43	2	0	27
17	C540	C540	C71	C1501	C540	C1501
18	17	21	41	10	2	39
18	C540	C540	C71	C561	C540	C1501
19	37	53	42	13	4	44
19	C540	C540	C1019	C561	C540	C1502
20	48	54	44	10	3	37
20	C540	C540	C71	C561	C540	C1501
21	18	24	42	10	2	37
21	C540	C540	C71	C561	C540	C561
22	29	39	39	13	3	40
22	C540	C540	C24	C561	C540	C540
23	33	42	41	12	3	39
23	C540	C540	C71	C561	C540	C1501
24	45	29	45	6	1	38
24	C540	C540	C71	C1501	C540	C1501
25	20	22	45	10	2	40
25	C540	C540	C24	C561	C540	C540
26	33	40	43	9	4	39
26	C540	C540	C71	C561	C540	C1501
27	44	28	45	3	0	19
27	C75	C1501	C71	C1501	C540	C1501
28	15	21	44	10	2	39
28	C540	C540	C71	C561	C540	C561

Mar 2021
Date	PM-10	PM-2.5	O3	CO	SO2	NO2
01	31	46	42	13	3	45
01	C540	C540	C43	C561	C540	C561
02	43	58	44	13	3	49
02	C540	C540	C601	C561	C540	C1502
03	48	52	48	12	4	39
03	C540	C540	C71	C561	C540	C1501
04	37	43	49	10	2	48
04	C540	C540	C44	C561	C540	C561
05	47	55	47	16	3	49
05	C540	C540	C1019	C561	C540	C1502
06	41	53	51	14	3	39
06	C540	C540	C71	C561	C540	C1502
07	34	44	50	6	1	34
07	C540	C540	C298	C561	C540	C540
08	47	33	54	6	1	43
08	C561	C1501	C24	C1501	C540	C1501
09	37	25	45	5	1	35
09	C601	C1501	C71	C1501	C540	C1502
10	22	23	45	5	1	36
10	C24	C24	C71	C1501	C540	C1501
11	8	13	44	5	0	33
11	C75	C1501	C1019	C1501	C540	C1501
12	7	16	43	4	0	32
12	C540	C1501	C1019	C1501	C540	C1501
13	14	26	43	8	1	36
13	C540	C540	C71	C1501	C540	C561
14	22	42	44	6	1	33
14	C540	C540	C71	C1501	C540	C1502
15	36	27	48	5	1	35
15	C540	C540	C71	C1501	C540	C1502
16	29	29	46	6	1	31
16	C540	C540	C71	C1501	C540	C1502
17	24	30	46	7	2	39
17	C540	C540	C75	C561	C540	C561
18	29	39	48	10	2	44
18	C561	C540	C75	C561	C540	C540
19	29	35	43	10	3	39
19	C540	C540	C24	C561	C540	C1501
20	27	18	49	3	1	18
20	C298	C298	C71	C1501	C540	C1502
21	16	14	48	3	0	7
21	C561	C540	C71	C561	C540	C561
22	17	18	46	4	1	30
22	C540	C540	C71	C1501	C540	C561
23	26	17	42	2	1	15
23	C540	C540	C71	C561	C540	C1501
24	16	14	45	3	1	21
24	C540	C540	C44	C1501	C540	C1502
25	31	25	54	4	1	33
25	C298	C1501	C71	C1501	C540	C1501
26	10	12	44	4	1	36
26	C540	C1501	C602	C1501	C540	C1501
27	18	23	44	10	1	36
27	C540	C540	C71	C561	C540	C561
28	28	45	48	9	2	40
28	C540	C540	C71	C561	C540	C561
29	46	44	49	6	3	34
29	C24	C540	C71	C561	C540	C540
30	56	39	49	5	1	20
30	C540	C540	C71	C561	C540	C1501
31	31	34	54	11	2	46
31	C540	C540	C602	C561	C540	C561

Apr 2021
Date	PM-10	PM-2.5	O3	CO	SO2	NO2
01	43	47	51	11	3	43
01	C561	C540	C602	C561	C540	C1502
02	48	53	67	12	3	49
02	C540	C540	C75	C561	C540	C561
03	38	47	64	8	5	41
03	C540	C540	C602	C561	C540	C1502
04	25	33	64	7	1	36
04	C540	C540	C75	C561	C540	C561
05	60	34	47	8	3	42
05	C602	C602	C75	C561	C540	C1502
06	56	45	67	6	2	43
06	C540	C540	C24	C1501	C540	C561
07	37	37	51	6	2	37
07	C540	C540	C73	C561	C540	C1501
08	35	28	51	4	2	36
08	C540	C540	C602	C1501	C540	C1501
09	45	44	54	11	2	46
09	C540	C540	C73	C561	C540	C561
10	43	52	64	8	2	39
10	C540	C540	C71	C561	C540	C561
11	25	32	54	5	2	34
11	C540	C540	C43	C1501	C540	C540
12	55	46	50	7	2	43
12	C540	C540	C44	C1501	C540	C561
13	63	51	67	5	1	38
13	C540	C540	C43	C1501	C540	C1501
14	50	40	71	4	1	33
14	C75	C75	C602	C1501	C540	C1501
15	24	23	51	4	1	27
15	C1019	C44	C602	C1501	C540	C1501
16	25	25	49	5	1	35
16	C561	C1501	C44	C1501	C540	C1502
17	16	15	44	3	2	11
17	C540	C1501	C602	C1501	C540	C1501
18	22	24	54	9	1	38
18	C540	C540	C602	C561	C540	C540
19	29	33	54	8	3	38
19	C540	C540	C71	C561	C540	C1502
20	84	66	77	2	1	38
20	C540	C75	C602	C561	C540	C1502
21	59	43	74	2	1	27
21	C561	C1501	C24	C561	C540	C1501
22	29	28	58	3	1	36
22	C602	C298	C602	C561	C540	C1501
23	37	36	42	4	1	41
23	C602	C602	C298	C1501	C540	C1501

PLEASE NOTE: This data has not been verified by the Clark County Department of Air Quality and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from Clark County Department of Air Quality ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.