CHMU - Tabular overview of air quality of the Czech Republic

Detailed overview of ambient air pollution valuis from individual stations

Year:					1998
Pollutant:					SO2-sulphur dioxide
Station:					1425 - Nechranice
Code:					CZCVRVNEC
Institution:					VURV
Region:					Severocesky
District:					Chomutov
IHd:					150
Measure method:					West-Gaeke spectrophotometry
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	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
2	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
3	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
4	41	22	22	20	18	28	30	20	32	24	18	16	22	20	14	24	25	18	14	14	12	24	22	12	16	18	20	48	16	16	~	21.53	48.00	30.00
5	16	14	14	16	16	22	16	25	24	48	35	55	58	46	25	14	14	16	14	16	14	10	12	12	14	14	28	20	20	14	28	22.26	58.00	31.00
6	14	58	22	28	12	10	12	24	16	16	35	20	14	32	14	12	12	12	18	14	16	12	14	16	24	20	14	12	16	10	~	18.30	58.00	30.00
7	10	14	20	36	62	16	16	18	8.00	8.00	30	12	20	28	20	44	16	16	52	18	26	46	12	16	16	14	12	12	8.00	14	12	21.03	62.00	31.00
8	19	22	26	13	13	19	10	10	10	16	29	42	16	10	19	16	29	13	13	26	54	32	10	26	16	35	19	16	10	19	13	20.03	54.00	31.00
9	22	35	16	10	13	10	13	6.00	10	16	13	10	6.00	6.00	29	19	13	10	22	58	61	59	74	87	167	236	151	58	49	77	~	45.20	236.00	30.00
10	136	126	62	145	143	146	115	59	34	20	25	43	61	20	38	38	25	25	41	35	20	38	25	25	29	29	29	38	34	29	29	53.61	146.00	31.00
11	64	37	27	122	27	78	22	46	38	80	37	32	37	40	41	57	51	67	97	99	141	148	199	144	134	91	61	103	141	171	~	81.07	199.00	30.00
12	144	135	146	131	56	73	61	98	118	128	135	149	121	61	41	41	61	77	41	52	46	66	77	101	127	36	41	143	141	91	65	90.42	149.00	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- 50		51- 100		101- 150		151- 225		226- 300		301- 450		451- 600		over 600				50		100		150		225		300		450		600
ABS.	0		0		0		0		0		0		0		0		0²		0		0		0		0		0		0		0		0
ABS.	88		3		0		0		0		0		0		0		91		3		0		0		0		0		0		0		58
REL.	96.7		3.2		0.0		0.0		0.0		0.0		0.0		0.0		100.0		3.3		0.0		0.0		0.0		0.0		0.0		0.0		13.5
ID	96		3		0		0		0		0		0		0		100
ABS.	79		10		0		2		1		0		0		0		92		13		3		3		1		0		0		0		236
REL.	85.8		10.8		0.0		2.1		1.0		0.0		0.0		0.0		100.0		14.1		3.3		3.3		1.1		0.0		0.0		0.0		26.9
ID	85		10		0		4		5		0		0		0		106
ABS.	39		25		26		2		0		0		0		0		92		53		28		2		0		0		0		0		199
REL	42.3		27.1		28.2		2.1		0.0		0.0		0.0		0.0		100.0		57.6		30.4		2.2		0.0		0.0		0.0		0.0		23.11
ID	42		27		28		4		0		0		0		0		102
Year
ABS.	206		38		26		4		1		0		0		0		275		69		31		5		1		0		0		0		236
REL.	74.9		13.8		9.4		1.4		0.3		0.0		0.0		0.0		100.0		25.1		11.3		1.8		0.4		0.0		0.0		0.0		26.9
ID	74		13		9		2		1		0		0		0		102
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