Vad är luftkvaliteten i Calcutta i dag? Är luften förorenad i Calcutta?. Finns det smog?
Vilken är den nuvarande nivån på PM2.5 i Calcutta? (partiklar (PM2.5) damm)
Dagens PM2.5 nivå är:
-90 (Bra)
Som jämförelse var den högsta nivån av PM2,5 i Calcutta under de senaste 7 dagarna: 528 (onsdag 12 oktober 2022) och den lägsta: -999 (söndag 1 oktober 2023).
De högsta PM2,5-värdena registrerades: 209 (januari 2018).
Den lägsta nivån av partiklar PM2.5 föroreningar inträffar i månad: maju (18).
Hur är O3-nivån idag i Calcutta? (ozon (O3))
24 (Bra)
Vad är nivån på SO2 föroreningar? (svaveldioxid (SO2))
9 (Bra)
Vad är nivån på PM10 idag i Calcutta? (partiklar (PM10) suspenderat damm)
Den nuvarande partikelnivån PM10 i Calcutta är:
96 (Ohälsosamma)
De högsta PM10-värdena inträffar vanligtvis i månaden: 245 (februari 2019).
Det lägsta värdet av partikelutsläppEN PM10 föroreningar i Calcutta registreras vanligtvis i: juni (16).
Hur hög är CO-nivån? (kolmonoxid (CO))
616 (Bra)
Hur hög är nivån på NO2? (kvävedioxid (NO2))
23 (Bra)
PM2,5 -90 (Bra)
O3 24 (Bra)
SO2 9 (Bra)
PM10 96 (Ohälsosamma)
CO 616 (Bra)
NO2 23 (Bra)
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) |
Gröna och parker i staden
Calcutta 47 %
Nepal: 32 % Bangladesh: 33 % Bhutan: 82 % Sri Lanka: 59 % Pakistan: 49 %partiklar PM2,5
Calcutta 74 (Unhealthy)
Nöje att spendera tid i staden
Calcutta 35 %
Nepal: 32 % Bangladesh: 26 % Bhutan: 61 % Sri Lanka: 52 % Pakistan: 43 %partiklar PM10
Calcutta 140 (Very Unhealthy)
Luftföroreningar
Calcutta 74 %
Nepal: 76 % Bangladesh: 78 % Bhutan: 45 % Sri Lanka: 53 % Pakistan: 64 %Sophantering
Calcutta 32 %
Nepal: 25 % Bangladesh: 22 % Bhutan: 47 % Sri Lanka: 41 % Pakistan: 34 %Dricksvattenets tillgänglighet och kvalitet
Calcutta 48 %
Nepal: 36 % Bangladesh: 44 % Bhutan: 64 % Sri Lanka: 65 % Pakistan: 44 %Renlighet och städning
Calcutta 33 %
Nepal: 27 % Bangladesh: 23 % Bhutan: 57 % Sri Lanka: 52 % Pakistan: 40 %Buller och ljusföroreningar
Calcutta 65 %
Nepal: 55 % Bangladesh: 63 % Bhutan: 55 % Sri Lanka: 50 % Pakistan: 59 %Vattenföroreningar
Calcutta 69 %
Nepal: 76 % Bangladesh: 74 % Bhutan: 56 % Sri Lanka: 57 % Pakistan: 70 %PM2,5 11 (Bra)
partiklar (PM2.5) dammO3 75 (Måttlig)
ozon (O3)SO2 12 (Bra)
svaveldioxid (SO2)PM10 76 (Ohälsosamt för känsliga grupper)
partiklar (PM10) suspenderat dammCO 610 (Bra)
kolmonoxid (CO)NO2 9.8 (Bra)
kvävedioxid (NO2)PM2,5 36 (Ohälsosamt för känsliga grupper)
partiklar (PM2.5) dammPM10 104 (Ohälsosamma)
partiklar (PM10) suspenderat dammNO2 31 (Bra)
kvävedioxid (NO2)SO2 8.9 (Bra)
svaveldioxid (SO2)CO 540 (Bra)
kolmonoxid (CO)O3 12 (Bra)
ozon (O3)PM10 103 (Ohälsosamma)
partiklar (PM10) suspenderat dammSO2 5.6 (Bra)
svaveldioxid (SO2)PM2,5 52 (Ohälsosamt för känsliga grupper)
partiklar (PM2.5) dammCO 1190 (Bra)
kolmonoxid (CO)NO2 13 (Bra)
kvävedioxid (NO2)O3 7.9 (Bra)
ozon (O3)PM2,5 47 (Ohälsosamt för känsliga grupper)
partiklar (PM2.5) dammPM10 71 (Ohälsosamt för känsliga grupper)
partiklar (PM10) suspenderat dammNO2 42 (Måttlig)
kvävedioxid (NO2)SO2 7.9 (Bra)
svaveldioxid (SO2)CO 130 (Bra)
kolmonoxid (CO)O3 7.5 (Bra)
ozon (O3)PM2,5 -999 (Bra)
partiklar (PM2.5) dammPM10 126 (Mycket ohälsosamt)
partiklar (PM10) suspenderat dammSO2 10 (Bra)
svaveldioxid (SO2)PM2,5 68 (Ohälsosamma)
partiklar (PM2.5) dammCO 610 (Bra)
kolmonoxid (CO)NO2 21 (Bra)
kvävedioxid (NO2)O3 20 (Bra)
ozon (O3)PM2,5 154 (Mycket dåligt farligt)
partiklar (PM2.5) dammBallygunge, 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 |