Quelle est la qualité de l'air aujourd' Calcutta hui? L'air est-il pollué dans Calcutta? Y a-t-il du smog?
Quel est le niveau actuel de PM2,5 dans Calcutta? (la poussière de particules (PM2,5))
Le niveau PM2.5 d’aujourd’hui est:
-90 (Bon)
À titre de comparaison, le niveau le plus élevé de PM2,5 en Calcutta au cours des 7 derniers jours était le 528 (mercredi 12 octobre 2022) et le plus bas: -999 (dimanche 1 octobre 2023).
Les valeurs pm2,5 les plus élevées ont été enregistrées: 209 (janvier 2018).
Le niveau le plus bas de pollution par les particules PM2,5 se produit depuis le mois: mai (18).
Comment est le niveau O3 aujourd’hui dans Calcutta? (ozone (O3))
24 (Bon)
Quel est le niveau de pollution du SO2? (dioxyde de soufre (SO2))
9 (Bon)
Quel est le niveau de PM10 aujourd’hui dans Calcutta? (les particules (PM10) en suspension)
Le niveau actuel de particules PM10 dans Calcutta est:
96 (Malsain)
Les valeurs PM10 les plus élevées se produisent habituellement en mois: 245 (février 2019).
La valeur la plus faible de la pollution par les particules PM10 dans Calcutta est habituellement enregistrée dans: juin (16).
Quelle est la hauteur du niveau de CO? (monoxyde de carbone (CO))
616 (Bon)
Quel est le niveau de NO2? (dioxyde d’azote (NO2))
23 (Bon)
PM2,5 -90 (Bon)
O3 24 (Bon)
SO2 9 (Bon)
PM10 96 (Malsain)
CO 616 (Bon)
NO2 23 (Bon)
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) |
Verdure et parcs dans la ville
Calcutta 47 %
Népal: 32 % Bangladesh: 33 % Bhoutan: 82 % Sri Lanka: 59 % Pakistan: 49 %les particules PM2,5
Calcutta 74 (Unhealthy)
Le plaisir de passer du temps en ville
Calcutta 35 %
Népal: 32 % Bangladesh: 26 % Bhoutan: 61 % Sri Lanka: 52 % Pakistan: 43 %particules PM10
Calcutta 140 (Very Unhealthy)
Pollution de l'air
Calcutta 74 %
Népal: 76 % Bangladesh: 78 % Bhoutan: 45 % Sri Lanka: 53 % Pakistan: 64 %Élimination des déchets
Calcutta 32 %
Népal: 25 % Bangladesh: 22 % Bhoutan: 47 % Sri Lanka: 41 % Pakistan: 34 %Disponibilité et qualité de l'eau potable
Calcutta 48 %
Népal: 36 % Bangladesh: 44 % Bhoutan: 64 % Sri Lanka: 65 % Pakistan: 44 %La propreté et l'ordre
Calcutta 33 %
Népal: 27 % Bangladesh: 23 % Bhoutan: 57 % Sri Lanka: 52 % Pakistan: 40 %Pollution sonore et lumineuse
Calcutta 65 %
Népal: 55 % Bangladesh: 63 % Bhoutan: 55 % Sri Lanka: 50 % Pakistan: 59 %Pollution de l'eau
Calcutta 69 %
Népal: 76 % Bangladesh: 74 % Bhoutan: 56 % Sri Lanka: 57 % Pakistan: 70 %PM2,5 11 (Bon)
la poussière de particules (PM2,5)O3 75 (Modérée)
ozone (O3)SO2 12 (Bon)
dioxyde de soufre (SO2)PM10 76 (Malsain pour les groupes sensibles)
les particules (PM10) en suspensionCO 610 (Bon)
monoxyde de carbone (CO)NO2 9.8 (Bon)
dioxyde d’azote (NO2)PM2,5 36 (Malsain pour les groupes sensibles)
la poussière de particules (PM2,5)PM10 104 (Malsain)
les particules (PM10) en suspensionNO2 31 (Bon)
dioxyde d’azote (NO2)SO2 8.9 (Bon)
dioxyde de soufre (SO2)CO 540 (Bon)
monoxyde de carbone (CO)O3 12 (Bon)
ozone (O3)PM10 103 (Malsain)
les particules (PM10) en suspensionSO2 5.6 (Bon)
dioxyde de soufre (SO2)PM2,5 52 (Malsain pour les groupes sensibles)
la poussière de particules (PM2,5)CO 1190 (Bon)
monoxyde de carbone (CO)NO2 13 (Bon)
dioxyde d’azote (NO2)O3 7.9 (Bon)
ozone (O3)PM2,5 47 (Malsain pour les groupes sensibles)
la poussière de particules (PM2,5)PM10 71 (Malsain pour les groupes sensibles)
les particules (PM10) en suspensionNO2 42 (Modérée)
dioxyde d’azote (NO2)SO2 7.9 (Bon)
dioxyde de soufre (SO2)CO 130 (Bon)
monoxyde de carbone (CO)O3 7.5 (Bon)
ozone (O3)PM2,5 -999 (Bon)
la poussière de particules (PM2,5)PM10 126 (Très malsain)
les particules (PM10) en suspensionSO2 10 (Bon)
dioxyde de soufre (SO2)PM2,5 68 (Malsain)
la poussière de particules (PM2,5)CO 610 (Bon)
monoxyde de carbone (CO)NO2 21 (Bon)
dioxyde d’azote (NO2)O3 20 (Bon)
ozone (O3)PM2,5 154 (Très mauvais dangereux)
la poussière de particules (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 |