CHMU - Tabular overview of air quality of the Czech Republic

Detailed overview of ambient air pollution valuis from individual stations

Year:					1998
Pollutant:					O3-ozone
Station:					1012 - Usti n.L.-mesto
Code:					CZULCMUNM
Institution:					CHMI
Region:					Severocesky
District:					Usti nad Labem
IHd:					160
Measure method:					UV-absorption
Unit:					ug/m^3

Average daily concentrations
Day/ Month	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	X	Max	N
1	11	10	44	64	63	40	22	55	40	11	5.54	5.27	6.71	5.40	5.62	6.35	28	26	21	32	33	30	35	17	35	17	11	10	13	26	48	25.11	63.90	31.00
2	31	21	40	20	12	10	23	32	10	12	16	60	36	37	45	41	39	13	29	18	18	14	24	10	13	12	39	66	~	~	~	26.45	65.71	28.00
3	60	41	39	57	65	29	46	66	46	46	54	46	59	76	47	33	35	58	72	72	63	58	50	59	53	64	26	20	50	71	31	51.40	75.84	31.00
4	28	~	34	71	64	42	67	61	57	72	59	88	67	58	70	47	60	85	56	50	38	58	74	48	70	87	98	80	94	76	~	64.02	97.66	29.00
5	87	70	50	80	49	45	31	79	88	85	79	86	65	75	62	63	62	49	78	66	59	74	62	40	50	37	61	105	108	71	47	66.51	108.02	31.00
6	50	82	43	82	101	86	84	39	68	60	53	63	54	55	36	54	51	53	25	46	62	79	69	14	46	55	49	47	48	66	~	57.28	100.68	30.00
7	31	51	78	56	55	50	39	33	41	31	54	20	55	57	37	38	49	44	52	64	91	49	75	51	57	57	45	65	45	51	54	50.76	90.55	31.00
8	71	69	33	57	45	45	59	58	49	53	62	82	28	43	62	58	68	85	44	54	51	51	39	47	30	30	38	34	29	37	22	49.49	85.30	31.00
9	31	36	45	35	41	20	18	11	35	31	30	30	26	37	26	15	14	29	24	25	33	26	24	18	13	12	4.78	6.83	6.08	24	~	24.20	44.73	30.00
10	15	13	15	27	13	8.94	10	6.78	3.44	32	14	18	12	4.26	8.93	17	27	25	6.73	16	16	9	20	25	28	24	27	40	31	29	21	18.20	40.46	31.00
11	23	8.78	12	21	17	19	10	4.94	2.48	7.25	17	6.38	5.63	9	7.97	16	21	21	23	29	20	7.47	2.89	2.75	3.85	2.49	2.53	2.40	10	14	~	11.65	28.81	30.00
12	15	7.44	4.25	4.73	23	23	21	13	3.27	2.36	4.01	2.41	21	3.89	2.97	10	2.89	2.63	12	21	20	4.40	2.65	5.89	14	17	8.62	11	3.47	13	20	10.29	23.33	31.00
Quarterly and annual absolute and relative frequency of average daily concentrations partial and total air pollution indexes according to classes of IHd multiples
Quarter	concentration classes in IHd multiples																total ind.		part of it in IHd multiples														max. date
	<=1/3		<=2/3		<=1.0		<=1.5		<=2.0		<=3.0		<=4.0		>		total ind.		1/3		2/3		1.0		1.5		2.0		3.0		4.0
	concentration classes in measurement units																		part of above IHd multiples in meas. units
	0- 53		54- 107		108- 160		161- 240		241- 320		321- 480		481- 640		over 640				53		107		160		240		320		480		640
ABS.	70		20		0		0		0		0		0		0		90		20		0		0		0		0		0		0		76
REL.	77.7		22.2		0.0		0.0		0.0		0.0		0.0		0.0		100.0		22.2		0.0		0.0		0.0		0.0		0.0		0.0		14.3
ID	77		22		0		0		0		0		0		0		100
ABS.	30		59		1		0		0		0		0		0		90		60		1		0		0		0		0		0		108
REL.	33.3		65.5		1.1		0.0		0.0		0.0		0.0		0.0		100.0		66.7		1.1		0.0		0.0		0.0		0.0		0.0		29.5
ID	33		65		1		0		0		0		0		0		100
ABS.	67		25		0		0		0		0		0		0		92		25		0		0		0		0		0		0		91
REL.	72.8		27.1		0.0		0.0		0.0		0.0		0.0		0.0		100.0		27.2		0.0		0.0		0.0		0.0		0.0		0.0		21.7
ID	72		27		0		0		0		0		0		0		100
ABS.	92		0		0		0		0		0		0		0		92		0		0		0		0		0		0		0		40
REL	100.0		0.0		0.0		0.0		0.0		0.0		0.0		0.0		100.0		0.0		0.0		0.0		0.0		0.0		0.0		0.0		28.10
ID	100		0		0		0		0		0		0		0		100
Year
ABS.	259		104		1		0		0		0		0		0		364		105		1		0		0		0		0		0		108
REL.	71.1		28.5		0.2		0.0		0.0		0.0		0.0		0.0		100.0		28.8		0.3		0.0		0.0		0.0		0.0		0.0		29.5
ID	71		28				0		0		0		0		0		100
Note:				¹ frequency < 60 per quarter, or < 240 per annum
Note:				² frequency < 30 per quarter, or < 120 per annum

Detailed overview of ambient air pollution valuis from individual stations

Average daily concentrations

Day/Month

Quarterly and annual absolute and relative frequency of average daily concentrations partial and total air pollution indexes according to classes of IHd multiples

Quarter

concentration classes in IHd multiples

part of it in IHd multiples

max.date

concentration classes in measurement units

part of above IHd multiples in meas. units

Note:

Day/
Month

Quarterly and annual absolute and relative frequency of average daily concentrations
partial and total air pollution indexes according to classes of IHd multiples

max.
date