PM₂.₅ - AHOLA

Detailed overview of air pollution values for the measuring programme

Year:	2021
Matter:	PM₂.₅ - fine particles PM2.5
Locality:	Praha 7-Holesovice
Measuring programme:	AHOLA
Organization:	CHMI
Region:	Prague
District:	Praha 7
Unit:	µg/m³
Measuring method:	radiometry - beta ray absorption

Average daily concentrations in specific units
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																																		0
2																																		0
3																4.5	8.1	7.4	8.6	7.7	4.8	6.0	11.7	25.2			17.9	8.9	19.0	13.4	27.8		27.8	14
4	29.7	9.7	7.1	7.5	10.3			5.4	15.8	20.3	19.4	8.0	6.3	6.3	7.2	7.8	10.0	18.0	18.5	17.9								21.8	13.4	12.3			29.7	21
5	21.2	6.8	7.7		4.0	3.0	6.5	8.3	11.6	11.7	11.0	9.0	2.7	6.4	6.2	3.3	5.3	3.6	4.4	7.8	3.4	4.2	7.6	6.5	2.6	3.9	5.7	4.3	5.9	7.3	9.0	6.7	21.2	30
6	12.5	12.7	14.6	13.8	14.8	12.9	13.5	15.3	13.2	10.3	12.9	11.3	5.0	6.6	11.2	14.0	14.5	14.3	16.7	15.5	14.3	10.8	9.2	10.0	8.5							12.3	16.7	25
7				13.9	7.4	5.7	4.8	8.2	7.0	6.5	10.3	6.7	15.3	3.8	7.2	9.6	8.5	8.5	6.3	7.5		11.2	15.9	13.8	15.3	12.1	8.8	11.7	5.9	9.4	9.0	9.3	15.9	27
8	10.6						5.1	4.5	6.3	8.4	8.9	12.9	19.2	12.0	10.9	9.7	3.9	4.3	3.9	3.3	10.5	15.3	4.3	4.3	6.5	4.5	4.0	2.9	5.6	7.9	5.8	7.5	19.2	26
9	8.0	10.3	9.8	12.7	17.5	12.8	14.4	15.2	14.0	14.0	12.0	10.1	7.8	12.5	17.6	7.4	3.2	5.7	4.0	7.1	7.5	5.5	4.5	4.2	9.2	13.8	17.9	10.7	5.8	5.5		10.0	17.9	30
10	10.6	10.6	16.2	17.5	10.9	5.3	6.7	12.1	13.7	16.4	17.9	3.0	5.6	8.3	6.0	9.4	17.1	18.6	16.4	6.1	9.0	5.2	6.8	16.1	19.2	24.5	17.1	24.2	39.5	39.8	37.5	15.1	39.8	31
11	33.0	7.7	12.6	8.5	10.6	10.2	11.0	6.7	13.2	23.0	23.9	24.4	12.6	29.5	28.1	29.9	17.5	7.8	5.3	2.7	11.6	9.2	8.2	12.4	16.2	16.4	16.9	20.7	11.6	2.7		14.8	33.0	30
12	1.6	4.2	8.8	13.6	14.0	17.1	28.8	26.5	28.7	15.2	23.5	11.8	10.0	14.1	10.6	8.5	7.3	8.2	1.5	3.4	11.3	25.2	23.2	4.0	6.5	17.8	24.7	24.6	21.8	8.1	3.6	13.8	28.8	31