Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:T2m-temperature 2m above terrain
Station:1108 - Ondrejov
Code:CZPHCMOND
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Praha-vychod
IHd: 150
Measure method:resistance method
Unit:K

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 269 270 274 273 277 279 275 274 272 273 271 267 266 266 266 268 269 271 271 271 270 270 271 273 275 274 274 274 273 272 271 271.58 278.66 31.00
2 270 268 270 276 279 281 278 276 277 273 278 280 275 275 277 278 273 272 275 275 275 273 269 265 268 270 270 272 ~ ~ ~ 273.85 281.13 28.00
3 274 273 273 276 272 272 276 277 278 282 282 285 278 277 275 279 279 280 275 272 272 275 279 283 281 270 270 273 275 277 280 276.50 284.80 31.00
4 283 284 285 285 279 280 280 ~ ~ ~ ~ ~ 272 272 275 276 276 277 277 277 276 274 279 284 286 280 283 283 288 291 ~ 280.12 291.44 25.00
5 293 291 293 288 284 280 280 284 287 288 287 285 287 290 286 290 290 282 282 285 286 285 287 290 289 290 291 289 290 288 285 287.13 292.89 31.00
6 283 283 281 281 284 286 288 286 285 285 281 285 288 288 292 288 287 286 284 287 288 283 285 289 290 292 295 291 292 293 ~ 286.85 295.00 30.00
7 288 287 289 291 293 295 294 289 289 293 288 290 289 296 293 286 284 287 289 286 287 291 292 289 292 293 294 296 293 294 296 290.75 296.33 31.00
8 290 293 294 289 288 291 290 291 291 286 285 289 291 295 297 297 293 295 295 292 290 291 293 294 296 295 290 286 285 289 287 291.17 297.08 31.00
9 285 286 289 286 284 285 284 283 281 281 282 ~ 285 283 283 281 282 281 ~ 285 283 283 285 285 283 283 284 285 286 286 ~ 284.01 289.43 28.00
10 289 292 292 284 284 286 ~ 287 287 285 286 286 287 288 285 284 284 283 282 283 283 283 282 281 282 281 280 282 282 286 285 284.76 292.37 30.00
11 278 279 279 279 276 277 279 278 272 271 272 273 272 271 271 274 272 272 275 274 275 274 272 272 272 275 275 274 275 273 ~ 274.41 279.35 30.00
12 270 270 270 273 276 275 273 269 268 270 273 271 259 262 266 270 271 271 273 266 270 271 263 268 274 272 270 274 272 270 ~ 269.98 275.68 30.00

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 90 0 0 0 90 90 90 90 90 0 0 0 285
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 0.012.3
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 86 0 0 0 86 86 86 86 86 0 0 0 295
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 27.6
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 90 0 0 0 90 90 90 90 90 0 0 0 297
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 16.8
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 90 0 0 0 90 90 90 90 90 0 0 0 292
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 0 297
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 16.8
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