Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:T2m-temperature 2m above terrain
Station:1028 - Nepomysl
Code:CZLNCMNEP
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Louny
IHd: 150
Measure method:resistance method
Unit:K

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 270 270 273 281 283 281 278 276 275 272 273 270 273 275 277 280 275 272 273 271 270 272 272 276 281 277 274 273 267 266 263 273.86 282.67 31.00
2 271 274 276 279 275 273 272 270 265 262 264 268 269 268 271 274 ~ ~ 277 276 276 274 273 273 273 276 279 278 ~ ~ ~ 272.58 279.46 26.00
3 280 282 281 278 277 274 274 276 276 278 273 273 276 278 278 274 271 273 277 276 278 278 277 279 279 283 283 280 280 281 282 277.55 282.96 31.00
4 282 283 284 284 284 287 282 ~ 281 286 282 281 ~ 279 ~ 275 276 277 277 ~ 281 282 284 285 284 283 284 282 284 286 ~ 282.07 286.53 26.00
5 288 283 284 285 282 283 283 282 286 290 287 288 285 285 282 280 282 284 287 289 285 285 284 288 288 287 289 293 292 294 289 286.07 293.73 31.00
6 ~ 292 ~ 288 290 286 286 ~ 287 290 285 285 288 287 289 289 290 284 286 290 285 283 286 285 285 291 291 288 290 292 ~ 287.76 291.68 27.00
7 291 291 295 296 295 292 290 289 290 293 292 292 294 289 289 289 292 293 294 295 293 290 287 289 292 294 289 290 291 291 291 291.51 296.26 31.00
8 292 292 291 292 289 294 291 296 295 292 288 285 285 291 290 289 288 290 288 290 286 285 286 289 290 291 292 289 287 289 287 289.62 295.55 31.00
9 286 287 288 289 288 290 290 291 292 292 290 291 290 291 291 290 291 290 289 291 287 290 290 290 287 288 289 287 288 288 ~ 289.29 292.04 30.00
10 285 288 283 283 280 282 282 283 285 287 286 280 280 282 278 276 276 274 272 274 278 280 281 282 283 286 283 284 281 278 280 281.06 288.36 31.00
11 279 282 277 275 278 278 279 279 278 276 275 275 274 275 270 270 274 271 272 271 271 272 270 274 277 274 276 275 272 275 ~ 274.85 281.95 30.00
12 280 277 279 275 273 275 278 279 279 277 279 280 276 274 273 271 273 274 270 272 268 266 266 267 269 274 273 273 274 274 272 273.87 280.40 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 > 1/32/31.01.52.0 3.04.0

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 88 0 0 0 88 88 88 88 88 0 0 0 283
REL. 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.026.3
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 84 0 0 0 84 84 84 84 84 0 0 0 294
REL. 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.0 30.5
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 92 0 0 0 92 92 92 92 92 0 0 0 296
REL. 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.0 4.7
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 92 0 0 0 92 92 92 92 92 0 0 0 288
REL 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.0 2.10
ID 0 0 0 0 500 0 0 0 500
Year
ABS. 0 0 0 0 356 0 0 0 356 356 356 356 356 0 0 0 296
REL. 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 0.0 0.0 0.0 4.7
ID 0 0 0 0 500 0 0 0 500

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum