CHMU - Tabular overview of air quality of the Czech Republic

Detailed overview of ambient air pollution valuis from individual stations

Year:					2001
Pollutant:					NO-nitrogen monoxide
Station:					771 - Pha1-nam. Republiky
Code:					CZ01CMREP
Institution:					Czech Hydrometeorological Institute
Region:					Prague
District:					Praha 1
IHd:					150
Measure method:					chemiluminescence
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	22	19	52	76	47	17	27	42	39	47	38	48	65	38	92	51	14	53	28	17	16	26	28	32	43	59	29	55	45	24	20	38.91	91.82	31.00
2	20	24	28	30	13	32	48	49	30	41	25	71	21	37	105	124	22	15	18	14	14	17	21	19	26	27	27	22	~	~	~	33.55	124.00	28.00
3	25	26	18	17	16	15	14	22	37	12	11	18	13	12	44	54	22	21	10	14	27	42	47	23	27	12	14	18	18	54	25	23.53	54.14	31.00
4	23	32	28	26	15	17	15	12	28	24	16	14	12	11	9	20	24	15	29	16	12	12	28	32	21	13	22	11	33	23	~	19.70	33.24	30.00
5	26	11	11	17	11	9	12	11	21	24	15	13	13	12	11	13	16	17	15	14	14	17	30	33	16	15	11	15	13	15	15	15.67	32.54	31.00
6	14	7.99	7.73	14	22	14	13	17	10	10	12	17	19	15	10	7.82	7.95	10	9	16	14	12	9	14	20	21	17	11	14	8.17	~	13.19	21.70	30.00
7	9	11	10	10	12	3.29	4.49	7.14	14	16	10	10	14	13	6.36	13	15	13	16	16	11	15	17	17	8.66	14	14	17	11	18	8.70	12.09	18.08	31.00
8	18	11	12	13	7.66	~	~	~	24	17	12	8.03	26	21	10	13	10	15	21	14	11	16	20	22	24	13	11	12	35	17	20	16.11	34.78	28.00
9	12	10	13	14	21	16	14	7.97	4.09	8.91	10	18	18	17	13	18	20	25	32	23	15	25	17	23	22	31	22	20	23	22	~	17.87	32.33	30.00
10	17	19	20	23	54	25	45	46	55	34	18	57	50	79	63	63	31	44	93	44	23	30	48	46	34	24	18	23	16	30	30	38.71	93.12	31.00
11	19	26	39	27	24	19	16	12	24	47	40	~	26	42	58	73	43	28	36	45	40	22	23	28	70	143	89	32	34	48	~	40.40	143.28	29.00
12	19	16	28	66	78	51	25	28	54	58	55	22	32	32	40	16	31	35	21	19	13	18	18	10	9	13	14	13	22	14	22	28.74	77.88	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.	77		11		2		0		0		0		0		0		90		13		2		0		0		0		0		0		124
REL.	85.5		12.2		2.2		0.0		0.0		0.0		0.0		0.0		100.0		14.4		2.2		0.0		0.0		0.0		0.0		0.0		16.2
ID	85		12		2		0		0		0		0		0		100
ABS.	91		0		0		0		0		0		0		0		91		0		0		0		0		0		0		0		33
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		29.4
ID	100		0		0		0		0		0		0		0		100
ABS.	89		0		0		0		0		0		0		0		89		0		0		0		0		0		0		0		35
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		29.8
ID	100		0		0		0		0		0		0		0		100
ABS.	73		17		1		0		0		0		0		0		91		18		1		0		0		0		0		0		143
REL	80.2		18.6		1.0		0.0		0.0		0.0		0.0		0.0		100.0		19.8		1.1		0.0		0.0		0.0		0.0		0.0		26.11
ID	80		18		1		0		0		0		0		0		100
Year
ABS.	330		28		3		0		0		0		0		0		361		31		3		0		0		0		0		0		143
REL.	91.4		7.7		0.8		0.0		0.0		0.0		0.0		0.0		100.0		8.6		0.8		0.0		0.0		0.0		0.0		0.0		26.11
ID	91		7				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