Air Pollution in Howrah: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Howrah. Today is Tuesday, May 7, 2024. The following air pollution values have been recorded for Howrah:- particulate matter (PM2.5) dust - 33 (Moderate)
- particulate matter (PM10) suspended dust - 59 (Unhealthy for Sensitive Groups)
- nitrogen dioxide (NO2) - 9 (Good)
- sulfur dioxide (SO2) - 12 (Good)
- carbon monoxide (CO) - 370 (Good)
- ozone (O3) - 7 (Good)
What is the air quality in Howrah today? Is the air polluted in Howrah?. Is there smog?
What is the current level of PM2.5 in Howrah? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
33 (Moderate)
For comparison, the highest level of PM2.5 in Howrah in the last 7 days was: 39 (Wednesday, October 12, 2022) and the lowest: 12 (Sunday, October 9, 2022).
The highest PM2.5 values were recorded: 168 (January 2018).
The lowest level of particulate matter PM2.5 pollution occurs in month: May (19).
What is the level of PM10 today in Howrah? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Howrah is:
59 (Unhealthy for Sensitive Groups)
The highest PM10 values usually occur in month: 293 (November 2019).
The lowest value of particulate matter PM10 pollution in Howrah is usually recorded in: May (38).
How high is the level of NO2? (nitrogen dioxide (NO2))
9 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
12 (Good)
How high is the CO level? (carbon monoxide (CO))
370 (Good)
How is the O3 level today in Howrah? (ozone (O3))
7 (Good)
Current data Monday, October 31, 2022, 1:45 AM
PM2,5 33 (Moderate)
PM10 59 (Unhealthy for Sensitive Groups)
NO2 9 (Good)
SO2 12 (Good)
CO 370 (Good)
O3 7 (Good)
Data on air pollution from recent days in Howrah
index
2022-10-31
2022-10-07
2022-10-08
2022-10-09
2022-10-10
2022-10-11
2022-10-12
pm25
21
Moderate
28
Moderate
26
Moderate
12
Good
17
Moderate
17
Moderate
39
Unhealthy for Sensitive Groups
pm10
34
Moderate
51
Unhealthy for Sensitive Groups
46
Moderate
36
Moderate
51
Unhealthy for Sensitive Groups
49
Moderate
80
Unhealthy
no2
10
Good
6
Good
6
Good
7
Good
8
Good
12
Good
13
Good
so2
6
Good
11
Good
9
Good
9
Good
9
Good
9
Good
11
Good
co
20
Good
448
Good
258
Good
171
Good
223
Good
188
Good
554
Good
o3
8
Good
4
Good
7
Good
5
Good
6
Good
8
Good
32
Good
data source »
Air pollution in Howrah from January 2018 to May 2020
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
2019-02
2018-11
2018-10
2018-09
2018-08
2018-05
2018-04
2018-03
2018-02
2018-01
pm25
19 (Moderate)
23 (Moderate)
52 (Unhealthy for Sensitive Groups)
93 (Very Unhealthy)
120 (Very bad Hazardous)
122 (Very bad Hazardous)
129 (Very bad Hazardous)
78 (Very Unhealthy)
27 (Moderate)
30 (Moderate)
34 (Moderate)
27 (Moderate)
19 (Moderate)
31 (Moderate)
152 (Very bad Hazardous)
114 (Very bad Hazardous)
66 (Unhealthy)
27 (Moderate)
22 (Moderate)
29 (Moderate)
64 (Unhealthy)
146 (Very bad Hazardous)
116 (Very bad Hazardous)
168 (Very bad Hazardous)
pm10
38 (Moderate)
50 (Moderate)
108 (Unhealthy)
192 (Very bad Hazardous)
242 (Very bad Hazardous)
248 (Very bad Hazardous)
293 (Very bad Hazardous)
127 (Very Unhealthy)
56 (Unhealthy for Sensitive Groups)
58 (Unhealthy for Sensitive Groups)
72 (Unhealthy for Sensitive Groups)
62 (Unhealthy for Sensitive Groups)
43 (Moderate)
73 (Unhealthy for Sensitive Groups)
271 (Very bad Hazardous)
211 (Very bad Hazardous)
143 (Very Unhealthy)
78 (Unhealthy for Sensitive Groups)
45 (Moderate)
69 (Unhealthy for Sensitive Groups)
77 (Unhealthy for Sensitive Groups)
127 (Very Unhealthy)
221 (Very bad Hazardous)
270 (Very bad Hazardous)
no2
13 (Good)
14 (Good)
38 (Good)
61 (Moderate)
65 (Moderate)
53 (Moderate)
67 (Moderate)
26 (Good)
22 (Good)
23 (Good)
29 (Good)
27 (Good)
22 (Good)
20 (Good)
81 (Moderate)
51 (Moderate)
44 (Moderate)
25 (Good)
15 (Good)
14 (Good)
14 (Good)
19 (Good)
28 (Good)
47 (Moderate)
so2
8.5 (Good)
10 (Good)
20 (Good)
22 (Good)
26 (Good)
25 (Good)
30 (Good)
18 (Good)
11 (Good)
9.8 (Good)
10 (Good)
9.3 (Good)
4 (Good)
13 (Good)
53 (Moderate)
36 (Good)
27 (Good)
14 (Good)
5.8 (Good)
9.3 (Good)
2.9 (Good)
1.6 (Good)
18 (Good)
8.6 (Good)
co
327 (Good)
351 (Good)
583 (Good)
551 (Good)
321 (Good)
558 (Good)
1 (Good)
603 (Good)
447 (Good)
425 (Good)
409 (Good)
409 (Good)
463 (Good)
466 (Good)
426 (Good)
861 (Good)
746 (Good)
598 (Good)
567 (Good)
397 (Good)
14 (Good)
34 (Good)
967 (Good)
1 (Good)
o3
49 (Good)
41 (Good)
43 (Good)
37 (Good)
32 (Good)
35 (Good)
38 (Good)
36 (Good)
22 (Good)
26 (Good)
28 (Good)
33 (Good)
12 (Good)
23 (Good)
38 (Good)
43 (Good)
47 (Good)
31 (Good)
16 (Good)
49 (Good)
45 (Good)
34 (Good)
34 (Good)
21 (Good)
data source »
Belur Math, Howrah - WBPCB
Monday, October 31, 2022, 1:45 AM
PM2,5 0 (Good)
particulate matter (PM2.5) dust
PM10 0 (Good)
particulate matter (PM10) suspended dust
NO2 0 (Good)
nitrogen dioxide (NO2)
SO2 0 (Good)
sulfur dioxide (SO2)
CO 0 (Good)
carbon monoxide (CO)
O3 0 (Good)
ozone (O3)
Ghusuri, Howrah - WBPCB
Wednesday, October 12, 2022, 7:45 PM
CO 1040 (Good)
carbon monoxide (CO)
PM10 112 (Very Unhealthy)
particulate matter (PM10) suspended dust
NO2 7.4 (Good)
nitrogen dioxide (NO2)
PM2,5 58 (Unhealthy)
particulate matter (PM2.5) dust
O3 1.1 (Good)
ozone (O3)
SO2 20 (Good)
sulfur dioxide (SO2)
Padmapukur, Howrah - WBPCB
Monday, October 31, 2022, 1:45 AM
PM10 67 (Unhealthy for Sensitive Groups)
particulate matter (PM10) suspended dust
SO2 15 (Good)
sulfur dioxide (SO2)
PM2,5 41 (Unhealthy for Sensitive Groups)
particulate matter (PM2.5) dust
CO 70 (Good)
carbon monoxide (CO)
NO2 19 (Good)
nitrogen dioxide (NO2)
O3 21 (Good)
ozone (O3)
Belur Math, Howrah - WBPCB
index
2022-10-31
pm25
0
pm10
0
no2
0
so2
0
co
0
o3
0
Ghusuri, Howrah - WBPCB
index
2022-10-12
2022-10-11
2022-10-10
2022-10-09
2022-10-08
2022-10-07
no2
13
12
7.7
7.3
6.3
6.3
o3
32
7.8
6
5.4
6.7
3.7
pm10
80
49
51
36
46
51
pm25
39
17
17
12
26
28
so2
11
8.9
9.2
8.8
8.8
11
co
554
188
223
171
258
448
Padmapukur, Howrah - WBPCB
index
2022-10-31
pm10
69
so2
13
pm25
42
co
40
no2
20
o3
16
Belur Math, Howrah - WBPCB
2019-06 2020-05
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
11
19
34
57
91
102
111
64
24
29
32
27
pm10
23
42
81
132
181
204
236
109
50
53
66
62
no2
14
18
49
72
66
45
69
36
28
30
30
27
so2
8.7
13
20
26
21
23
25
19
13
13
16
9.3
co
217
302
553
845
1
741
1
576
427
451
435
409
o3
-
-
55
50
42
43
38
34
13
17
26
33
Ghusuri, Howrah - WBPCB
2018-05 2020-05
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
pm25
23
28
70
121
154
164
180
111
38
41
43
19
30
155
101
58
30
26
28
pm10
54
66
159
286
376
371
471
191
77
80
102
54
89
325
224
153
80
46
72
no2
14
15
37
71
75
61
79
14
11
15
34
27
25
96
62
59
40
26
22
so2
7.3
7.6
27
31
48
39
54
19
15
13
5
0.34
0.62
80
52
38
17
10
17
co
291
320
658
1
1
1
1
692
416
451
475
485
470
1
994
917
730
533
406
o3
46
38
24
27
29
37
38
31
26
31
25
6.8
11
26
34
38
24
19
60
Padmapukur, Howrah - WBPCB
2018-01 2020-05
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
2018-03
2018-02
2018-01
no2
11
9
28
40
53
53
53
28
27
24
23
18
15
66
40
30
11
4.8
5.4
14
19
28
47
so2
9.5
10
15
8.8
9.1
13
13
16
5.1
4
10
7.7
25
25
20
16
11
1.5
2.1
2.9
1.6
18
8.6
co
474
432
538
806
960
932
1
540
499
374
316
440
462
851
728
574
466
600
388
14
34
967
1
pm25
24
22
53
99
116
101
97
59
18
20
26
18
32
149
126
74
25
19
29
64
146
116
168
pm10
37
42
84
159
168
170
172
82
40
40
49
32
57
217
198
133
76
45
67
77
127
221
270
o3
52
45
50
33
25
24
36
43
27
30
32
18
35
49
52
56
39
13
37
45
34
34
21
* Pollution data source:
https://openaq.org
(caaqm)
The data is licensed under CC-By 4.0
PM2,5 33 (Moderate)
PM10 59 (Unhealthy for Sensitive Groups)
NO2 9 (Good)
SO2 12 (Good)
CO 370 (Good)
O3 7 (Good)
Data on air pollution from recent days in Howrah
| index | 2022-10-31 | 2022-10-07 | 2022-10-08 | 2022-10-09 | 2022-10-10 | 2022-10-11 | 2022-10-12 |
|---|---|---|---|---|---|---|---|
| pm25 | 21 Moderate |
28 Moderate |
26 Moderate |
12 Good |
17 Moderate |
17 Moderate |
39 Unhealthy for Sensitive Groups |
| pm10 | 34 Moderate |
51 Unhealthy for Sensitive Groups |
46 Moderate |
36 Moderate |
51 Unhealthy for Sensitive Groups |
49 Moderate |
80 Unhealthy |
| no2 | 10 Good |
6 Good |
6 Good |
7 Good |
8 Good |
12 Good |
13 Good |
| so2 | 6 Good |
11 Good |
9 Good |
9 Good |
9 Good |
9 Good |
11 Good |
| co | 20 Good |
448 Good |
258 Good |
171 Good |
223 Good |
188 Good |
554 Good |
| o3 | 8 Good |
4 Good |
7 Good |
5 Good |
6 Good |
8 Good |
32 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 | 2019-05 | 2019-04 | 2019-02 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 19 (Moderate) | 23 (Moderate) | 52 (Unhealthy for Sensitive Groups) | 93 (Very Unhealthy) | 120 (Very bad Hazardous) | 122 (Very bad Hazardous) | 129 (Very bad Hazardous) | 78 (Very Unhealthy) | 27 (Moderate) | 30 (Moderate) | 34 (Moderate) | 27 (Moderate) | 19 (Moderate) | 31 (Moderate) | 152 (Very bad Hazardous) | 114 (Very bad Hazardous) | 66 (Unhealthy) | 27 (Moderate) | 22 (Moderate) | 29 (Moderate) | 64 (Unhealthy) | 146 (Very bad Hazardous) | 116 (Very bad Hazardous) | 168 (Very bad Hazardous) |
| pm10 | 38 (Moderate) | 50 (Moderate) | 108 (Unhealthy) | 192 (Very bad Hazardous) | 242 (Very bad Hazardous) | 248 (Very bad Hazardous) | 293 (Very bad Hazardous) | 127 (Very Unhealthy) | 56 (Unhealthy for Sensitive Groups) | 58 (Unhealthy for Sensitive Groups) | 72 (Unhealthy for Sensitive Groups) | 62 (Unhealthy for Sensitive Groups) | 43 (Moderate) | 73 (Unhealthy for Sensitive Groups) | 271 (Very bad Hazardous) | 211 (Very bad Hazardous) | 143 (Very Unhealthy) | 78 (Unhealthy for Sensitive Groups) | 45 (Moderate) | 69 (Unhealthy for Sensitive Groups) | 77 (Unhealthy for Sensitive Groups) | 127 (Very Unhealthy) | 221 (Very bad Hazardous) | 270 (Very bad Hazardous) |
| no2 | 13 (Good) | 14 (Good) | 38 (Good) | 61 (Moderate) | 65 (Moderate) | 53 (Moderate) | 67 (Moderate) | 26 (Good) | 22 (Good) | 23 (Good) | 29 (Good) | 27 (Good) | 22 (Good) | 20 (Good) | 81 (Moderate) | 51 (Moderate) | 44 (Moderate) | 25 (Good) | 15 (Good) | 14 (Good) | 14 (Good) | 19 (Good) | 28 (Good) | 47 (Moderate) |
| so2 | 8.5 (Good) | 10 (Good) | 20 (Good) | 22 (Good) | 26 (Good) | 25 (Good) | 30 (Good) | 18 (Good) | 11 (Good) | 9.8 (Good) | 10 (Good) | 9.3 (Good) | 4 (Good) | 13 (Good) | 53 (Moderate) | 36 (Good) | 27 (Good) | 14 (Good) | 5.8 (Good) | 9.3 (Good) | 2.9 (Good) | 1.6 (Good) | 18 (Good) | 8.6 (Good) |
| co | 327 (Good) | 351 (Good) | 583 (Good) | 551 (Good) | 321 (Good) | 558 (Good) | 1 (Good) | 603 (Good) | 447 (Good) | 425 (Good) | 409 (Good) | 409 (Good) | 463 (Good) | 466 (Good) | 426 (Good) | 861 (Good) | 746 (Good) | 598 (Good) | 567 (Good) | 397 (Good) | 14 (Good) | 34 (Good) | 967 (Good) | 1 (Good) |
| o3 | 49 (Good) | 41 (Good) | 43 (Good) | 37 (Good) | 32 (Good) | 35 (Good) | 38 (Good) | 36 (Good) | 22 (Good) | 26 (Good) | 28 (Good) | 33 (Good) | 12 (Good) | 23 (Good) | 38 (Good) | 43 (Good) | 47 (Good) | 31 (Good) | 16 (Good) | 49 (Good) | 45 (Good) | 34 (Good) | 34 (Good) | 21 (Good) |
PM2,5 0 (Good)
particulate matter (PM2.5) dustPM10 0 (Good)
particulate matter (PM10) suspended dustNO2 0 (Good)
nitrogen dioxide (NO2)SO2 0 (Good)
sulfur dioxide (SO2)CO 0 (Good)
carbon monoxide (CO)O3 0 (Good)
ozone (O3)CO 1040 (Good)
carbon monoxide (CO)PM10 112 (Very Unhealthy)
particulate matter (PM10) suspended dustNO2 7.4 (Good)
nitrogen dioxide (NO2)PM2,5 58 (Unhealthy)
particulate matter (PM2.5) dustO3 1.1 (Good)
ozone (O3)SO2 20 (Good)
sulfur dioxide (SO2)PM10 67 (Unhealthy for Sensitive Groups)
particulate matter (PM10) suspended dustSO2 15 (Good)
sulfur dioxide (SO2)PM2,5 41 (Unhealthy for Sensitive Groups)
particulate matter (PM2.5) dustCO 70 (Good)
carbon monoxide (CO)NO2 19 (Good)
nitrogen dioxide (NO2)O3 21 (Good)
ozone (O3)Belur Math, Howrah - WBPCB
| index | 2022-10-31 |
|---|---|
| pm25 | 0 |
| pm10 | 0 |
| no2 | 0 |
| so2 | 0 |
| co | 0 |
| o3 | 0 |
Ghusuri, Howrah - WBPCB
| index | 2022-10-12 | 2022-10-11 | 2022-10-10 | 2022-10-09 | 2022-10-08 | 2022-10-07 |
|---|---|---|---|---|---|---|
| no2 | 13 | 12 | 7.7 | 7.3 | 6.3 | 6.3 |
| o3 | 32 | 7.8 | 6 | 5.4 | 6.7 | 3.7 |
| pm10 | 80 | 49 | 51 | 36 | 46 | 51 |
| pm25 | 39 | 17 | 17 | 12 | 26 | 28 |
| so2 | 11 | 8.9 | 9.2 | 8.8 | 8.8 | 11 |
| co | 554 | 188 | 223 | 171 | 258 | 448 |
Padmapukur, Howrah - WBPCB
| index | 2022-10-31 |
|---|---|
| pm10 | 69 |
| so2 | 13 |
| pm25 | 42 |
| co | 40 |
| no2 | 20 |
| o3 | 16 |
Belur Math, Howrah - 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 | 11 | 19 | 34 | 57 | 91 | 102 | 111 | 64 | 24 | 29 | 32 | 27 |
| pm10 | 23 | 42 | 81 | 132 | 181 | 204 | 236 | 109 | 50 | 53 | 66 | 62 |
| no2 | 14 | 18 | 49 | 72 | 66 | 45 | 69 | 36 | 28 | 30 | 30 | 27 |
| so2 | 8.7 | 13 | 20 | 26 | 21 | 23 | 25 | 19 | 13 | 13 | 16 | 9.3 |
| co | 217 | 302 | 553 | 845 | 1 | 741 | 1 | 576 | 427 | 451 | 435 | 409 |
| o3 | - | - | 55 | 50 | 42 | 43 | 38 | 34 | 13 | 17 | 26 | 33 |
Ghusuri, Howrah - 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 23 | 28 | 70 | 121 | 154 | 164 | 180 | 111 | 38 | 41 | 43 | 19 | 30 | 155 | 101 | 58 | 30 | 26 | 28 |
| pm10 | 54 | 66 | 159 | 286 | 376 | 371 | 471 | 191 | 77 | 80 | 102 | 54 | 89 | 325 | 224 | 153 | 80 | 46 | 72 |
| no2 | 14 | 15 | 37 | 71 | 75 | 61 | 79 | 14 | 11 | 15 | 34 | 27 | 25 | 96 | 62 | 59 | 40 | 26 | 22 |
| so2 | 7.3 | 7.6 | 27 | 31 | 48 | 39 | 54 | 19 | 15 | 13 | 5 | 0.34 | 0.62 | 80 | 52 | 38 | 17 | 10 | 17 |
| co | 291 | 320 | 658 | 1 | 1 | 1 | 1 | 692 | 416 | 451 | 475 | 485 | 470 | 1 | 994 | 917 | 730 | 533 | 406 |
| o3 | 46 | 38 | 24 | 27 | 29 | 37 | 38 | 31 | 26 | 31 | 25 | 6.8 | 11 | 26 | 34 | 38 | 24 | 19 | 60 |
Padmapukur, Howrah - 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 | 2018-03 | 2018-02 | 2018-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 11 | 9 | 28 | 40 | 53 | 53 | 53 | 28 | 27 | 24 | 23 | 18 | 15 | 66 | 40 | 30 | 11 | 4.8 | 5.4 | 14 | 19 | 28 | 47 |
| so2 | 9.5 | 10 | 15 | 8.8 | 9.1 | 13 | 13 | 16 | 5.1 | 4 | 10 | 7.7 | 25 | 25 | 20 | 16 | 11 | 1.5 | 2.1 | 2.9 | 1.6 | 18 | 8.6 |
| co | 474 | 432 | 538 | 806 | 960 | 932 | 1 | 540 | 499 | 374 | 316 | 440 | 462 | 851 | 728 | 574 | 466 | 600 | 388 | 14 | 34 | 967 | 1 |
| pm25 | 24 | 22 | 53 | 99 | 116 | 101 | 97 | 59 | 18 | 20 | 26 | 18 | 32 | 149 | 126 | 74 | 25 | 19 | 29 | 64 | 146 | 116 | 168 |
| pm10 | 37 | 42 | 84 | 159 | 168 | 170 | 172 | 82 | 40 | 40 | 49 | 32 | 57 | 217 | 198 | 133 | 76 | 45 | 67 | 77 | 127 | 221 | 270 |
| o3 | 52 | 45 | 50 | 33 | 25 | 24 | 36 | 43 | 27 | 30 | 32 | 18 | 35 | 49 | 52 | 56 | 39 | 13 | 37 | 45 | 34 | 34 | 21 |