Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:T2m-temperature 2m above terrain
Station:1037 - Cheb
Code:CZCHCMCHE
Institution:CHMI
Region:Zapadocesky
District:Cheb
IHd: 150
Measure method:resistance method
Unit:K

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 274 277 278 277 277 276 280 280 281 276 271 272 271 274 275 277 274 275 274 273 271 272 270 269 267 265 265 266 270 270 261 272.89 280.86 31.00
2 260 263 267 265 270 271 272 273 274 276 278 280 282 282 281 281 275 277 279 277 279 279 276 278 281 280 279 275 ~ ~ ~ 275.43 282.17 28.00
3 274 278 281 286 276 277 280 275 271 272 272 272 274 276 277 279 279 279 275 273 273 273 272 273 273 276 279 281 282 281 284 276.54 285.55 31.00
4 284 283 283 281 281 281 282 278 279 283 280 277 277 276 280 276 280 279 278 281 280 282 286 284 286 288 288 282 285 287 ~ 281.58 288.13 30.00
5 287 285 283 279 282 282 284 288 291 291 292 292 288 287 284 285 284 286 287 287 282 281 281 282 283 284 288 292 291 288 290 285.97 292.17 31.00
6 284 291 289 291 296 297 293 288 292 288 286 283 281 286 286 286 285 285 289 291 296 291 288 289 294 292 293 289 288 290 ~ 289.20 296.73 30.00
7 286 286 289 287 286 287 283 283 286 288 287 288 290 287 286 286 289 289 291 297 297 291 293 292 290 292 291 288 288 289 289 288.68 297.00 31.00
8 292 290 289 291 291 ~ 293 295 291 293 297 296 ~ 288 292 292 293 293 289 292 287 285 285 285 284 287 282 283 283 284 283 289.11 296.73 29.00
9 286 287 288 289 286 287 288 288 291 291 287 284 281 281 283 283 282 282 284 284 285 283 284 284 284 285 286 285 284 285 ~ 285.19 291.29 30.00
10 281 278 280 280 280 280 282 282 282 282 282 280 280 284 283 283 286 279 278 277 281 284 285 282 281 278 280 283 278 277 278 280.89 285.82 31.00
11 278 277 279 278 275 276 274 275 281 280 275 273 275 274 275 274 271 271 270 269 265 266 271 272 270 271 273 273 272 272 ~ 273.47 280.52 30.00
12 268 269 270 269 271 270 268 264 262 261 265 273 278 278 279 276 272 274 276 274 271 272 270 271 274 277 280 277 274 273 271 271.90 279.92 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 90 0 0 0 90 90 90 90 90 0 0 0 286
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 0.04.3
ID 0 0 0 0 500 0 0 0 500
ABS. 0 0 0 0 91 0 0 0 91 91 91 91 91 0 0 0 297
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 6.6
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 21.7
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 0 286
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 0.017.10
ID 0 0 0 0 500 0 0 0 500
Year
ABS. 0 0 0 0 363 0 0 0 363 363 363 363 363 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 21.7
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