Wat is de luchtkwaliteit vandaag de Calcutta dag? Is de lucht vervuild in Calcutta? Is er smog?
Wat is het huidige niveau van PM2,5 in Calcutta? (stofdeeltjes (PM2.5))
Vandaag PM2.5 niveau is:
-90 (Goede)
Ter vergelijking: het hoogste niveau van PM2,5 in Calcutta in de afgelopen 7 dagen was: 528 (woensdag 12 oktober 2022) en het laagste: -999 (zondag 1 oktober 2023).
De hoogste PM2,5-waarden werden geregistreerd: 209 (januari 2018).
Het laagste niveau van fijnstof PM2,5 vervuiling vindt plaats in maand: mei (18).
Hoe is het O3-niveau vandaag in Calcutta? (ozon (O3))
24 (Goede)
Wat is het niveau van SO2 vervuiling? (zwaveldioxide (SO2))
9 (Goede)
Wat is het niveau van PM10 vandaag in Calcutta? (stofdeeltjes (PM10) in suspensie)
Het huidige niveau van fijnstof PM10 in Calcutta is:
96 (Ongezonde)
De hoogste PM10-waarden komen meestal voor in maand: 245 (februari 2019).
De laagste waarde van deeltjes PM10 vervuiling in Calcutta wordt meestal geregistreerd in: juni (16).
Hoe hoog is het CO-niveau? (koolmonoxide (CO))
616 (Goede)
Hoe hoog is het niveau van NO2? (stikstofdioxide (NO2))
23 (Goede)
PM2,5 -90 (Goede)
O3 24 (Goede)
SO2 9 (Goede)
PM10 96 (Ongezonde)
CO 616 (Goede)
NO2 23 (Goede)
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) |
Groen en parken in de stad
Calcutta 47%
Nepal: 32% Bangladesh: 33% Bhutan: 82% Sri Lanka: 59% Pakistan: 49%fijnstof PM2,5
Calcutta 74 (Unhealthy)
Plezier van tijd doorbrengen in de stad
Calcutta 35%
Nepal: 32% Bangladesh: 26% Bhutan: 61% Sri Lanka: 52% Pakistan: 43%fijnstof PM10
Calcutta 140 (Very Unhealthy)
Luchtvervuiling
Calcutta 74%
Nepal: 76% Bangladesh: 78% Bhutan: 45% Sri Lanka: 53% Pakistan: 64%Vuilnisverwijdering
Calcutta 32%
Nepal: 25% Bangladesh: 22% Bhutan: 47% Sri Lanka: 41% Pakistan: 34%Beschikbaarheid en kwaliteit van het drinkwater
Calcutta 48%
Nepal: 36% Bangladesh: 44% Bhutan: 64% Sri Lanka: 65% Pakistan: 44%Schoonheid en netheid
Calcutta 33%
Nepal: 27% Bangladesh: 23% Bhutan: 57% Sri Lanka: 52% Pakistan: 40%Geluids- en lichtvervuiling
Calcutta 65%
Nepal: 55% Bangladesh: 63% Bhutan: 55% Sri Lanka: 50% Pakistan: 59%Waterverontreiniging
Calcutta 69%
Nepal: 76% Bangladesh: 74% Bhutan: 56% Sri Lanka: 57% Pakistan: 70%PM2,5 11 (Goede)
stofdeeltjes (PM2.5)O3 75 (Matige)
ozon (O3)SO2 12 (Goede)
zwaveldioxide (SO2)PM10 76 (Ongezond voor gevoelige groepen)
stofdeeltjes (PM10) in suspensieCO 610 (Goede)
koolmonoxide (CO)NO2 9.8 (Goede)
stikstofdioxide (NO2)PM2,5 36 (Ongezond voor gevoelige groepen)
stofdeeltjes (PM2.5)PM10 104 (Ongezonde)
stofdeeltjes (PM10) in suspensieNO2 31 (Goede)
stikstofdioxide (NO2)SO2 8.9 (Goede)
zwaveldioxide (SO2)CO 540 (Goede)
koolmonoxide (CO)O3 12 (Goede)
ozon (O3)PM10 103 (Ongezonde)
stofdeeltjes (PM10) in suspensieSO2 5.6 (Goede)
zwaveldioxide (SO2)PM2,5 52 (Ongezond voor gevoelige groepen)
stofdeeltjes (PM2.5)CO 1190 (Goede)
koolmonoxide (CO)NO2 13 (Goede)
stikstofdioxide (NO2)O3 7.9 (Goede)
ozon (O3)PM2,5 47 (Ongezond voor gevoelige groepen)
stofdeeltjes (PM2.5)PM10 71 (Ongezond voor gevoelige groepen)
stofdeeltjes (PM10) in suspensieNO2 42 (Matige)
stikstofdioxide (NO2)SO2 7.9 (Goede)
zwaveldioxide (SO2)CO 130 (Goede)
koolmonoxide (CO)O3 7.5 (Goede)
ozon (O3)PM2,5 -999 (Goede)
stofdeeltjes (PM2.5)PM10 126 (Zeer ongezond)
stofdeeltjes (PM10) in suspensieSO2 10 (Goede)
zwaveldioxide (SO2)PM2,5 68 (Ongezonde)
stofdeeltjes (PM2.5)CO 610 (Goede)
koolmonoxide (CO)NO2 21 (Goede)
stikstofdioxide (NO2)O3 20 (Goede)
ozon (O3)PM2,5 154 (Zeer slecht Gevaarlijk)
stofdeeltjes (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 |