Qual è la qualità dell'aria Calcutta oggi? L'aria è inquinata Calcutta? C'è smog?
Qual è il livello attuale di PM2.5 in Calcutta? (polvere di particolato (PM2.5))
Il livello PM2.5 di oggi è:
-90 (Buono)
Per fare un confronto, il livello più alto di PM2,5 in Calcutta negli ultimi 7 giorni è stato: 528 (mercoledì 12 ottobre 2022) e il più basso: -999 (domenica 1 ottobre 2023).
Sono stati registrati i valori PM2,5 più alti: 209 (gennaio 2018).
Il più basso livello di inquinamento da particolato PM2.5 si verifica nel mese: maggio (18).
Come è il livello O3 oggi in Calcutta? (ozono (O3))
24 (Buono)
Qual è il livello di inquinamento da SO2? (biossido di zolfo (SO2))
9 (Buono)
Qual è il livello di PM10 oggi in Calcutta? (polveri sospese di particolato (PM10))
L'attuale livello di particolato PM10 in Calcutta è:
96 (Malsano)
I valori PM10 più alti si verificano in genere nel mese: 245 (febbraio 2019).
Il valore più basso dell'inquinamento da particolato PM10 in Calcutta è di solito registrato in: giugno (16).
Quanto è alto il livello di CO? (monossido di carbonio (CO))
616 (Buono)
Quanto è alto il livello di NO2? (biossido di azoto (NO2))
23 (Buono)
PM2,5 -90 (Buono)
O3 24 (Buono)
SO2 9 (Buono)
PM10 96 (Malsano)
CO 616 (Buono)
NO2 23 (Buono)
index | 2022-10-07 | 2022-10-08 | 2022-10-09 | 2022-10-10 | 2022-10-11 | 2022-10-12 | 2022-10-13 | 2022-10-14 | 2022-10-31 | 2023-09-26 | 2023-09-27 | 2023-09-28 | 2023-09-29 | 2023-09-30 | 2023-10-01 | 2023-10-02 | 2023-10-03 | 2024-01-31 | 2024-02-01 | 2024-02-02 | 2024-02-03 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
co | 289 Good |
202 Good |
155 Good |
161 Good |
202 Good |
319 Good |
398 Good |
549 Good |
598 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
pm10 | 36 Moderate |
37 Moderate |
24 Moderate |
26 Moderate |
28 Moderate |
25 Moderate |
44 Moderate |
58 Unhealthy for Sensitive Groups |
101 Unhealthy |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
o3 | 63 Good |
76 Moderate |
68 Good |
41 Good |
19 Good |
24 Good |
33 Good |
39 Good |
10 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
no2 | 18 Good |
18 Good |
16 Good |
16 Good |
15 Good |
19 Good |
11 Good |
10 Good |
26 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
pm25 | 11 Good |
16 Moderate |
10 Good |
10 Good |
10 Good |
528 Very bad Hazardous |
14 Moderate |
15 Moderate |
52 Unhealthy for Sensitive Groups |
20 Moderate |
30 Moderate |
2 Good |
64 Unhealthy |
-109 Good |
-999 Good |
-999 Good |
-999 Good |
96 Very Unhealthy |
77 Very Unhealthy |
119 Very bad Hazardous |
124 Very bad Hazardous |
so2 | 11 Good |
13 Good |
11 Good |
12 Good |
12 Good |
11 Good |
6 Good |
8 Good |
8 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 18 (Moderate) | 26 (Moderate) | 52 (Unhealthy for Sensitive Groups) | 89 (Very Unhealthy) | 119 (Very bad Hazardous) | 103 (Very Unhealthy) | 105 (Very Unhealthy) | 62 (Unhealthy) | 18 (Moderate) | 21 (Moderate) | 23 (Moderate) | 26 (Moderate) | 48 (Unhealthy for Sensitive Groups) | 40 (Unhealthy for Sensitive Groups) | 32 (Moderate) | 36 (Unhealthy for Sensitive Groups) | 33 (Moderate) | 40 (Unhealthy for Sensitive Groups) | 45 (Unhealthy for Sensitive Groups) | 60 (Unhealthy) | 121 (Very bad Hazardous) | 151 (Very bad Hazardous) | 185 (Very bad Hazardous) | 162 (Very bad Hazardous) | 68 (Unhealthy) | 21 (Moderate) | 25 (Moderate) | 28 (Moderate) | 62 (Unhealthy) | 118 (Very bad Hazardous) | 187 (Very bad Hazardous) | 174 (Very bad Hazardous) | 119 (Very bad Hazardous) | 74 (Unhealthy) | 50 (Unhealthy for Sensitive Groups) | 25 (Moderate) | 30 (Moderate) | 40 (Unhealthy for Sensitive Groups) | 25 (Moderate) | 34 (Moderate) | 82 (Very Unhealthy) | 104 (Very Unhealthy) | 209 (Very bad Hazardous) | 162 (Very bad Hazardous) | 101 (Very Unhealthy) | 36 (Unhealthy for Sensitive Groups) | 33 (Moderate) | 29 (Moderate) | 35 (Unhealthy for Sensitive Groups) | 41 (Unhealthy for Sensitive Groups) | 73 (Unhealthy) | 100 (Very Unhealthy) | 161 (Very bad Hazardous) | 162 (Very bad Hazardous) |
pm10 | 38 (Moderate) | 45 (Moderate) | 91 (Unhealthy) | 156 (Very bad Hazardous) | 186 (Very bad Hazardous) | 176 (Very bad Hazardous) | 188 (Very bad Hazardous) | 92 (Unhealthy) | 35 (Moderate) | 39 (Moderate) | 44 (Moderate) | 53 (Unhealthy for Sensitive Groups) | 98 (Unhealthy) | 86 (Unhealthy) | 66 (Unhealthy for Sensitive Groups) | 51 (Unhealthy for Sensitive Groups) | 67 (Unhealthy for Sensitive Groups) | 69 (Unhealthy for Sensitive Groups) | 81 (Unhealthy) | 102 (Unhealthy) | 192 (Very bad Hazardous) | 222 (Very bad Hazardous) | 225 (Very bad Hazardous) | 186 (Very bad Hazardous) | 122 (Very Unhealthy) | 36 (Moderate) | 25 (Moderate) | 48 (Moderate) | - (Good) | 245 (Very bad Hazardous) | - (Good) | - (Good) | 165 (Very bad Hazardous) | 113 (Very Unhealthy) | 65 (Unhealthy for Sensitive Groups) | 36 (Moderate) | - (Good) | - (Good) | 50 (Unhealthy for Sensitive Groups) | 54 (Unhealthy for Sensitive Groups) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 29 (Moderate) | 24 (Moderate) | 16 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
no2 | 11 (Good) | 11 (Good) | 36 (Good) | 67 (Moderate) | 63 (Moderate) | 50 (Moderate) | 66 (Moderate) | 33 (Good) | 19 (Good) | 20 (Good) | 15 (Good) | 13 (Good) | 40 (Moderate) | 40 (Moderate) | 38 (Good) | 40 (Moderate) | 35 (Good) | 36 (Good) | 29 (Good) | 33 (Good) | 56 (Moderate) | 73 (Moderate) | 72 (Moderate) | 114 (Unhealthy for Sensitive Groups) | 53 (Moderate) | 26 (Good) | 19 (Good) | 19 (Good) | - (Good) | 123 (Unhealthy for Sensitive Groups) | - (Good) | - (Good) | 68 (Moderate) | 48 (Moderate) | 36 (Good) | 29 (Good) | - (Good) | - (Good) | 30 (Good) | 32 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 26 (Good) | 22 (Good) | 21 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
so2 | 6.3 (Good) | 7.7 (Good) | 11 (Good) | 13 (Good) | 10 (Good) | 10 (Good) | 7.8 (Good) | 5.5 (Good) | 5.1 (Good) | 4.6 (Good) | 7.1 (Good) | 2.4 (Good) | 8.7 (Good) | 15 (Good) | 15 (Good) | 15 (Good) | 15 (Good) | 34 (Good) | 9 (Good) | 6.9 (Good) | 20 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 2.1 (Good) | 5.8 (Good) | - (Good) | 30 (Good) | - (Good) | - (Good) | 12 (Good) | 7.7 (Good) | 4.3 (Good) | 1.6 (Good) | - (Good) | - (Good) | 5.5 (Good) | 8.4 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
co | 461 (Good) | 512 (Good) | 452 (Good) | 480 (Good) | 1 (Good) | 329 (Good) | 1.3 (Good) | 468 (Good) | 270 (Good) | 276 (Good) | 226 (Good) | 334 (Good) | 292 (Good) | 573 (Good) | 578 (Good) | 583 (Good) | 644 (Good) | 279 (Good) | 678 (Good) | 802 (Good) | 1 (Good) | 1.5 (Good) | 1 (Good) | 1.5 (Good) | 1 (Good) | 609 (Good) | 568 (Good) | 597 (Good) | - (Good) | 1 (Good) | - (Good) | - (Good) | 1 (Good) | 1 (Good) | 1 (Good) | 1 (Good) | - (Good) | - (Good) | 1 (Good) | 1 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 524 (Good) | 559 (Good) | 553 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
o3 | 37 (Good) | 45 (Good) | 48 (Good) | 37 (Good) | 27 (Good) | 30 (Good) | 27 (Good) | 24 (Good) | 19 (Good) | 18 (Good) | 28 (Good) | 23 (Good) | 32 (Good) | 14 (Good) | 12 (Good) | 16 (Good) | 55 (Good) | 37 (Good) | 29 (Good) | 24 (Good) | 23 (Good) | 14 (Good) | 14 (Good) | 24 (Good) | 45 (Good) | 19 (Good) | 18 (Good) | 17 (Good) | - (Good) | 31 (Good) | - (Good) | - (Good) | 32 (Good) | 32 (Good) | 19 (Good) | 8.8 (Good) | - (Good) | - (Good) | 34 (Good) | 45 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 14 (Good) | 17 (Good) | 17 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
Verde e parchi in città
Calcutta 47%
Nepal: 32% Bangladesh: 33% Bhutan: 82% Sri Lanka: 59% Pakistan: 49%particolato PM2.5
Calcutta 74 (Unhealthy)
Il piacere di trascorrere del tempo in città
Calcutta 35%
Nepal: 32% Bangladesh: 26% Bhutan: 61% Sri Lanka: 52% Pakistan: 43%particolato PM10
Calcutta 140 (Very Unhealthy)
Inquinamento dell'aria
Calcutta 74%
Nepal: 76% Bangladesh: 78% Bhutan: 45% Sri Lanka: 53% Pakistan: 64%Smaltimento dei rifiuti
Calcutta 32%
Nepal: 25% Bangladesh: 22% Bhutan: 47% Sri Lanka: 41% Pakistan: 34%Disponibilità e qualità dell'acqua potabile
Calcutta 48%
Nepal: 36% Bangladesh: 44% Bhutan: 64% Sri Lanka: 65% Pakistan: 44%Pulizia e ordine
Calcutta 33%
Nepal: 27% Bangladesh: 23% Bhutan: 57% Sri Lanka: 52% Pakistan: 40%Rumore e inquinamento luminoso
Calcutta 65%
Nepal: 55% Bangladesh: 63% Bhutan: 55% Sri Lanka: 50% Pakistan: 59%Inquinamento delle acque
Calcutta 69%
Nepal: 76% Bangladesh: 74% Bhutan: 56% Sri Lanka: 57% Pakistan: 70%PM2,5 11 (Buono)
polvere di particolato (PM2.5)O3 75 (Moderata)
ozono (O3)SO2 12 (Buono)
biossido di zolfo (SO2)PM10 76 (Non integro per i gruppi sensibili)
polveri sospese di particolato (PM10)CO 610 (Buono)
monossido di carbonio (CO)NO2 9.8 (Buono)
biossido di azoto (NO2)PM2,5 36 (Non integro per i gruppi sensibili)
polvere di particolato (PM2.5)PM10 104 (Malsano)
polveri sospese di particolato (PM10)NO2 31 (Buono)
biossido di azoto (NO2)SO2 8.9 (Buono)
biossido di zolfo (SO2)CO 540 (Buono)
monossido di carbonio (CO)O3 12 (Buono)
ozono (O3)PM10 103 (Malsano)
polveri sospese di particolato (PM10)SO2 5.6 (Buono)
biossido di zolfo (SO2)PM2,5 52 (Non integro per i gruppi sensibili)
polvere di particolato (PM2.5)CO 1190 (Buono)
monossido di carbonio (CO)NO2 13 (Buono)
biossido di azoto (NO2)O3 7.9 (Buono)
ozono (O3)PM2,5 47 (Non integro per i gruppi sensibili)
polvere di particolato (PM2.5)PM10 71 (Non integro per i gruppi sensibili)
polveri sospese di particolato (PM10)NO2 42 (Moderata)
biossido di azoto (NO2)SO2 7.9 (Buono)
biossido di zolfo (SO2)CO 130 (Buono)
monossido di carbonio (CO)O3 7.5 (Buono)
ozono (O3)PM2,5 -999 (Buono)
polvere di particolato (PM2.5)PM10 126 (Molto malsano)
polveri sospese di particolato (PM10)SO2 10 (Buono)
biossido di zolfo (SO2)PM2,5 68 (Malsano)
polvere di particolato (PM2.5)CO 610 (Buono)
monossido di carbonio (CO)NO2 21 (Buono)
biossido di azoto (NO2)O3 20 (Buono)
ozono (O3)PM2,5 154 (Molto male Pericoloso)
polvere di particolato (PM2.5)Ballygunge, Kolkata - WBPCB
index | 2022-10-14 | 2022-10-13 | 2022-10-12 | 2022-10-11 | 2022-10-10 | 2022-10-09 | 2022-10-08 | 2022-10-07 |
---|---|---|---|---|---|---|---|---|
co | 549 | 398 | 319 | 202 | 161 | 155 | 202 | 289 |
pm10 | 58 | 44 | 25 | 28 | 26 | 24 | 37 | 36 |
o3 | 39 | 33 | 24 | 19 | 41 | 68 | 76 | 63 |
no2 | 9.9 | 11 | 19 | 15 | 16 | 16 | 18 | 18 |
pm25 | 15 | 14 | 528 | 10 | 10 | 10 | 16 | 11 |
so2 | 8.4 | 5.9 | 11 | 12 | 12 | 11 | 13 | 11 |
Fort William, Kolkata - WBPCB
index | 2022-10-31 |
---|---|
pm25 | 36 |
pm10 | 104 |
no2 | 31 |
so2 | 8.9 |
co | 540 |
o3 | 12 |
Jadavpur, Kolkata - WBPCB
index | 2022-10-31 |
---|---|
pm10 | 101 |
so2 | 5.6 |
pm25 | 52 |
co | 1235 |
no2 | 13 |
o3 | 7.4 |
Rabindra Sarobar, Kolkata - WBPCB
index | 2022-10-31 |
---|---|
pm25 | 47 |
pm10 | 71 |
no2 | 42 |
so2 | 7.9 |
co | 130 |
o3 | 7.5 |
US Diplomatic Post: Kolkata
index | 2023-10-03 | 2023-10-02 | 2023-10-01 | 2023-09-30 | 2023-09-29 | 2023-09-28 | 2023-09-27 | 2023-09-26 |
---|---|---|---|---|---|---|---|---|
pm25 | -999 | -999 | -999 | -109.17 | 64 | 1.8 | 30 | 20 |
Victoria, Kolkata - WBPCB
index | 2022-10-31 |
---|---|
pm10 | 129 |
so2 | 10 |
pm25 | 72 |
co | 485 |
no2 | 19 |
o3 | 15 |
US Diplomatic Post: Kolkata
index | 2024-02-03 | 2024-02-02 | 2024-02-01 | 2024-01-31 |
---|---|---|---|---|
pm25 | 124 | 119 | 77 | 96 |
Fort William, Kolkata - WBPCB
index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 20 | 28 | 54 | 74 | 117 | 107 | 117 | 67 | 23 | 26 | 27 | 31 |
pm10 | 44 | 46 | 89 | 146 | 217 | 196 | 218 | 102 | 41 | 46 | 54 | 60 |
no2 | 11 | 11 | 41 | 75 | 71 | 57 | 64 | 30 | 21 | 22 | 12 | 16 |
so2 | 5.8 | 6.3 | 9.7 | 13 | 11 | 11 | 7 | 5.3 | 5.4 | 4.5 | 7.3 | 2.5 |
co | 337 | 368 | 613 | 974 | 1 | 985 | 1 | 637 | 401 | 402 | 323 | 296 |
o3 | 39 | 48 | 43 | 40 | 34 | 34 | 29 | 29 | 21 | 18 | 30 | 29 |
Jadavpur, Kolkata - WBPCB
index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 15 | 23 | 49 | 77 | 115 | 62 | 84 | 67 | 13 | 20 | 20 | 25 |
pm10 | 35 | 49 | 91 | 152 | 145 | 151 | 163 | 86 | 22 | 31 | 34 | 47 |
no2 | 8.6 | 9.4 | 24 | 50 | 47 | 44 | 44 | 21 | 9.4 | 15 | 11 | 11 |
so2 | 6.7 | 7.1 | 9.4 | 9.8 | 9.8 | 8.1 | 8.9 | 6.6 | 4.9 | 5.4 | 7.9 | 2.2 |
co | 429 | 458 | 743 | 1 | 1 | 1 | 1 | 767 | 408 | 424 | 354 | 371 |
o3 | 42 | 40 | 28 | 16 | 9.9 | 16 | 14 | 16 | 11 | 8.8 | 17 | 18 |
Rabindra Bharati University, Kolkata - WBSPCB
index | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
no2 | 36 | 40 | 38 | 34 | 31 | 35 | 39 | 40 | 46 | 41 | 42 | 186 | 69 | 31 |
co | 583 | 573 | 578 | 527 | 513 | 556 | 597 | 704 | 1 | 1 | 1 | 1 | 1 | 712 |
o3 | 40 | 14 | 12 | 13 | 23 | 24 | 20 | 22 | 25 | 16 | 14 | 33 | 73 | 26 |
pm10 | 100 | 86 | 66 | 72 | 80 | 86 | 103 | 137 | 245 | 260 | 291 | 229 | 168 | 49 |
so2 | 12 | 15 | 15 | 19 | 20 | 34 | 9 | 6.9 | 20 | - | - | - | - | - |
US Diplomatic Post: Kolkata
index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 20 | 28 | 61 | 120 | 141 | 148 | 128 | 54 | 19 | 15 | 19 | 22 | 36 | 33 | 62 | 94 | 187 | 174 | 125 | 79 | 62 | 33 | 30 | 40 | 32 | 43 | 82 | 104 | 209 | 162 | 101 | 48 | 40 | 32 | 36 | 33 | 40 | 45 | 60 | 121 | 151 | 185 | 162 | 68 | 21 | 36 | 33 | 29 | 35 | 41 | 73 | 100 | 161 | 162 |
Victoria Memorial - WBSPCB
index | 2017-10 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
co | 1 | 638 | 775 | 1 | 758 | 899 | 1 | 2 | 1 | 2 | 1 | 506 | 524 | 559 | 553 |
o3 | 24 | 19 | 87 | 50 | 39 | 26 | 22 | 13 | 14 | 15 | 16 | 12 | 14 | 17 | 17 |
no2 | 45 | 46 | 39 | 37 | 20 | 26 | 66 | 104 | 103 | 42 | 36 | 22 | 26 | 22 | 21 |
pm10 | 96 | 30 | 54 | 51 | 59 | 66 | 139 | 184 | 158 | 143 | 76 | 24 | 29 | 24 | 16 |
so2 | 5.8 | 11 | 11 | - | - | - | - | - | - | - | - | - | - | - | - |
Victoria, Kolkata - WBPCB
index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-05 | 2019-04 | 2019-02 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-05 | 2018-04 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 18 | 23 | 46 | 85 | 102 | 94 | 91 | 61 | 19 | 23 | 25 | 13 | 24 | 142 | 112 | 68 | 38 | 17 | 19 | 24 |
pm10 | 34 | 41 | 93 | 169 | 195 | 181 | 182 | 89 | 41 | 40 | 44 | 25 | 48 | 245 | 165 | 113 | 65 | 36 | 50 | 54 |
no2 | 13 | 11 | 45 | 76 | 71 | 50 | 90 | 49 | 28 | 23 | 21 | 19 | 19 | 123 | 68 | 48 | 36 | 29 | 30 | 32 |
so2 | 6.4 | 9.6 | 14 | 16 | 9.8 | 11 | 7.4 | 4.5 | 4.9 | 3.8 | 6.2 | 2.1 | 5.8 | 30 | 12 | 7.7 | 4.3 | 1.6 | 5.5 | 8.4 |
co | 617 | 710 | 1 | 464 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 568 | 597 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
o3 | 31 | 47 | 73 | 55 | 37 | 41 | 37 | 27 | 25 | 27 | 37 | 18 | 17 | 31 | 32 | 32 | 19 | 8.8 | 34 | 45 |