Air Pollution in Bihar: Real-time Air Quality Index and smog alert.

The latest data Last 7 days Bihar pollution May 2019 - February 2018 Quality of life
Current data from stations: Collectorate, Gaya - BSPCB SFTI Kusdihra, Gaya - BSPCB Muzaffarpur Collectorate, Muzaffarpur - BSPCB DRM Office Danapur, Patna - BSPCB Govt. High School Shikarpur, Patna - BSPCB IGSC Planetarium Complex, Patna - BSPCB Muradpur, Patna - BSPCB Rajbansi Nagar, Patna - BSPCB Samanpura, Patna - BSPCB Industrial Area, Hajipur - BSPCB
Locations: Vaishali » Patna » Muzaffarpur » Gaya » Darbhanga district » Bhagalpur » Begusarai »
Pollution and air quality forecast for Bihar. Today is Thursday, April 25, 2024. The following air pollution values have been recorded for Bihar:
  1. ozone (O3) - 34 (Good)
  2. particulate matter (PM2.5) dust - 55 (Unhealthy)
  3. nitrogen dioxide (NO2) - 19 (Good)
  4. sulfur dioxide (SO2) - 8 (Good)
  5. carbon monoxide (CO) - 666 (Good)
  6. particulate matter (PM10) suspended dust - 71 (Unhealthy for Sensitive Groups)
Real-time Air Quality Index (AQI) for Bihar, Friday, October 14, 2022: 4.

air quality index: 3
AQI 4 Unhealthy

What is the air quality in Bihar today? Is the air polluted in Bihar?. Is there smog?

Today (Friday, October 14, 2022) air quality is poor in Bihar. Poor air quality in Bihar may cause breathing discomfort to people exposed and discomfort to people with heart disease. Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises in Bihar. Other residents should moderately reduce outdoor activities in Bihar.


How is the O3 level today in Bihar? (ozone (O3))
34 (Good)

What is the current level of PM2.5 in Bihar? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 55 (Unhealthy) For comparison, the highest level of PM2.5 in Bihar in the last 7 days was: 130 (Monday, October 31, 2022) and the lowest: 22 (Friday, October 7, 2022). The highest PM2.5 values were recorded: 270 (March 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: July (31).

How high is the level of NO2? (nitrogen dioxide (NO2))
19 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
8 (Good)

How high is the CO level? (carbon monoxide (CO))
666 (Good)

What is the level of PM10 today in Bihar? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Bihar is: 71 (Unhealthy for Sensitive Groups)



Current data Friday, October 14, 2022, 6:00 AM

O3 34 (Good)

PM2,5 55 (Unhealthy)

NO2 19 (Good)

SO2 8 (Good)

CO 666 (Good)

PM10 71 (Unhealthy for Sensitive Groups)

Data on air pollution from recent days in Bihar

index 2022-10-31 2022-10-07 2022-10-08 2022-10-09 2022-10-10 2022-10-11 2022-10-12 2022-10-13 2022-10-14
o3 26
Good		 23
Good		 24
Good		 24
Good		 25
Good		 21
Good		 17
Good		 20
Good		 26
Good
pm25 130
Very bad Hazardous		 22
Moderate		 32
Moderate		 30
Moderate		 32
Moderate		 28
Moderate		 31
Moderate		 39
Unhealthy for Sensitive Groups		 42
Unhealthy for Sensitive Groups
no2 41
Moderate		 10
Good		 12
Good		 10
Good		 15
Good		 20
Good		 17
Good		 41
Moderate		 14
Good
so2 7
Good		 8
Good		 8
Good		 13
Good		 16
Good		 8
Good		 10
Good		 9
Good		 8
Good
co 935
Good		 592
Good		 782
Good		 648
Good		 784
Good		 575
Good		 889
Good		 805
Good		 729
Good
pm10 -
Good		 56
Unhealthy for Sensitive Groups		 77
Unhealthy for Sensitive Groups		 76
Unhealthy for Sensitive Groups		 70
Unhealthy for Sensitive Groups		 59
Unhealthy for Sensitive Groups		 72
Unhealthy for Sensitive Groups		 92
Unhealthy		 258
Very bad Hazardous
data source »
Air pollution in Bihar from May 2019 to February 2018
pollution pm25 hikersbay.com
index 2018-02 2018-01 2017-12 2017-11 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 2016-04 2016-03 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-04 2019-02 2018-11 2018-10 2018-09 2018-08 2018-05 2018-04 2018-03 2017-10 2017-09 2017-08 2016-06 2016-05 2019-05
no2 51 (Moderate) 33 (Good) 34 (Good) 42 (Moderate) 16 (Good) 16 (Good) 17 (Good) 22 (Good) 55 (Moderate) 58 (Moderate) 55 (Moderate) 55 (Moderate) 64 (Moderate) 35 (Good) 30 (Good) 44 (Moderate) 53 (Moderate) 28 (Good) 41 (Moderate) 20 (Good) 58 (Moderate) 45 (Moderate) 18 (Good) 14 (Good) 86 (Moderate) 47 (Moderate) 28 (Good) 46 (Moderate) 49 (Moderate) 36 (Good) 20 (Good) 66 (Moderate) 36 (Good) 52 (Moderate) 70 (Moderate) 75 (Moderate) 42 (Moderate) 31 (Good) 57 (Moderate) 37 (Good) 36 (Good) 29 (Good) 31 (Good) 23 (Good) - (Good)
so2 15 (Good) 18 (Good) 17 (Good) 10 (Good) 12 (Good) 11 (Good) 10 (Good) 9.4 (Good) 8.4 (Good) 12 (Good) 7.5 (Good) 12 (Good) 9.1 (Good) 11 (Good) 10 (Good) 13 (Good) 9.9 (Good) 6.5 (Good) 18 (Good) 16 (Good) 18 (Good) 18 (Good) 12 (Good) 15 (Good) 23 (Good) 30 (Good) 16 (Good) 39 (Good) 33 (Good) 35 (Good) 52 (Moderate) 36 (Good) 28 (Good) 19 (Good) 19 (Good) 21 (Good) 40 (Good) 30 (Good) 36 (Good) 12 (Good) 10 (Good) 10 (Good) 38 (Good) 14 (Good) 21 (Good)
co 1 (Good) 1.7 (Good) 1.3 (Good) 324 (Good) 446 (Good) 152 (Good) 310 (Good) 1 (Good) 333 (Good) 292 (Good) 319 (Good) 2 (Good) 1.7 (Good) 325 (Good) 246 (Good) 194 (Good) 210 (Good) 299 (Good) 1.3 (Good) 727 (Good) 219 (Good) 565 (Good) 603 (Good) 278 (Good) 279 (Good) 1.3 (Good) 1 (Good) 316 (Good) 184 (Good) 343 (Good) 541 (Good) 138 (Good) 1 (Good) 1 (Good) 439 (Good) 1 (Good) 467 (Good) 14 (Good) 71 (Good) 476 (Good) 409 (Good) 270 (Good) 1 (Good) 1.5 (Good) 532 (Good)
o3 44 (Good) 18 (Good) 17 (Good) 25 (Good) 7 (Good) 16 (Good) 36 (Good) 33 (Good) 31 (Good) 28 (Good) 21 (Good) 20 (Good) 34 (Good) 35 (Good) 24 (Good) 24 (Good) 20 (Good) 39 (Good) 44 (Good) 80 (Moderate) 75 (Moderate) 80 (Moderate) 37 (Good) 45 (Good) 48 (Good) 67 (Good) 53 (Good) 67 (Good) 45 (Good) 39 (Good) 55 (Good) 45 (Good) 87 (Moderate) 70 (Moderate) 60 (Good) 40 (Good) 81 (Moderate) 127 (Unhealthy for Sensitive Groups) 82 (Moderate) 26 (Good) 21 (Good) 19 (Good) 26 (Good) 42 (Good) 57 (Good)
pm25 139 (Very bad Hazardous) 177 (Very bad Hazardous) 192 (Very bad Hazardous) 160 (Very bad Hazardous) 71 (Unhealthy) 56 (Unhealthy) 68 (Unhealthy) 95 (Very Unhealthy) 97 (Very Unhealthy) 182 (Very bad Hazardous) 191 (Very bad Hazardous) 220 (Very bad Hazardous) 191 (Very bad Hazardous) 130 (Very bad Hazardous) 44 (Unhealthy for Sensitive Groups) 35 (Moderate) 31 (Moderate) 77 (Very Unhealthy) 73 (Unhealthy) 35 (Moderate) 52 (Unhealthy for Sensitive Groups) 71 (Unhealthy) 111 (Very bad Hazardous) 163 (Very bad Hazardous) 178 (Very bad Hazardous) 166 (Very bad Hazardous) 84 (Very Unhealthy) 32 (Moderate) 35 (Unhealthy for Sensitive Groups) 43 (Unhealthy for Sensitive Groups) 66 (Unhealthy) 190 (Very bad Hazardous) 155 (Very bad Hazardous) 92 (Very Unhealthy) 54 (Unhealthy for Sensitive Groups) 45 (Unhealthy for Sensitive Groups) 77 (Very Unhealthy) 120 (Very bad Hazardous) 270 (Very bad Hazardous) 97 (Very Unhealthy) 78 (Very Unhealthy) 45 (Unhealthy for Sensitive Groups) 41 (Unhealthy for Sensitive Groups) 75 (Very Unhealthy) 41 (Unhealthy for Sensitive Groups)
data source »

Quality of life in Bihar

Green and Parks in the City

Bihar 26%

Nepal: 32% Bangladesh: 33% Bhutan: 82% Sri Lanka: 59% Pakistan: 49%

Pleasure of spending time in the city

Bihar 39%

Nepal: 32% Bangladesh: 26% Bhutan: 61% Sri Lanka: 52% Pakistan: 43%

Air Pollution

Bihar 66%

Nepal: 76% Bangladesh: 78% Bhutan: 45% Sri Lanka: 53% Pakistan: 64%

Garbage Disposal

Bihar 16%

Nepal: 25% Bangladesh: 22% Bhutan: 47% Sri Lanka: 41% Pakistan: 34%

Availability and quality of drinking water

Bihar 44%

Nepal: 36% Bangladesh: 44% Bhutan: 64% Sri Lanka: 65% Pakistan: 44%

Cleanliness and tidiness

Bihar 20%

Nepal: 27% Bangladesh: 23% Bhutan: 57% Sri Lanka: 52% Pakistan: 40%

Noise and Light pollution

Bihar 54%

Nepal: 55% Bangladesh: 63% Bhutan: 55% Sri Lanka: 50% Pakistan: 59%

Water Pollution

Bihar 57%

Nepal: 76% Bangladesh: 74% Bhutan: 56% Sri Lanka: 57% Pakistan: 70%

particulate matter PM2.5

Bihar 130 (Very bad Hazardous)

particulate matter PM10

Bihar 240 (Very bad Hazardous)

Source: Numbeo


Collectorate, Gaya - BSPCB

Monday, October 31, 2022, 2:00 AM

O3 10 (Good)

ozone (O3)

PM2,5 92 (Very Unhealthy)

particulate matter (PM2.5) dust

NO2 8.5 (Good)

nitrogen dioxide (NO2)

SO2 9.4 (Good)

sulfur dioxide (SO2)

CO 1370 (Good)

carbon monoxide (CO)

SFTI Kusdihra, Gaya - BSPCB

Friday, October 14, 2022, 4:30 AM

CO 350 (Good)

carbon monoxide (CO)

SO2 2.4 (Good)

sulfur dioxide (SO2)

PM2,5 27 (Moderate)

particulate matter (PM2.5) dust

O3 22 (Good)

ozone (O3)

PM10 38 (Moderate)

particulate matter (PM10) suspended dust

NO2 3.1 (Good)

nitrogen dioxide (NO2)

Muzaffarpur Collectorate, Muzaffarpur - BSPCB

Friday, October 14, 2022, 6:00 AM

PM2,5 29 (Moderate)

particulate matter (PM2.5) dust

CO 1470 (Good)

carbon monoxide (CO)

SO2 7.3 (Good)

sulfur dioxide (SO2)

NO2 7.2 (Good)

nitrogen dioxide (NO2)

O3 8.5 (Good)

ozone (O3)

DRM Office Danapur, Patna - BSPCB

Friday, October 14, 2022, 6:00 AM

CO 590 (Good)

carbon monoxide (CO)

O3 3.4 (Good)

ozone (O3)

SO2 4.6 (Good)

sulfur dioxide (SO2)

NO2 12 (Good)

nitrogen dioxide (NO2)

PM2,5 23 (Moderate)

particulate matter (PM2.5) dust

PM10 70 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

Govt. High School Shikarpur, Patna - BSPCB

Friday, October 14, 2022, 5:45 AM

SO2 17 (Good)

sulfur dioxide (SO2)

PM10 95 (Unhealthy)

particulate matter (PM10) suspended dust

O3 21 (Good)

ozone (O3)

PM2,5 43 (Unhealthy for Sensitive Groups)

particulate matter (PM2.5) dust

CO 230 (Good)

carbon monoxide (CO)

NO2 30 (Good)

nitrogen dioxide (NO2)

IGSC Planetarium Complex, Patna - BSPCB

Monday, October 31, 2022, 2:00 AM

O3 41 (Good)

ozone (O3)

NO2 72 (Moderate)

nitrogen dioxide (NO2)

PM2,5 184 (Very bad Hazardous)

particulate matter (PM2.5) dust

SO2 5 (Good)

sulfur dioxide (SO2)

CO 500 (Good)

carbon monoxide (CO)

Muradpur, Patna - BSPCB

Friday, October 14, 2022, 5:45 AM

SO2 6.2 (Good)

sulfur dioxide (SO2)

PM10 78 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

O3 98 (Moderate)

ozone (O3)

PM2,5 22 (Moderate)

particulate matter (PM2.5) dust

CO 630 (Good)

carbon monoxide (CO)

NO2 13 (Good)

nitrogen dioxide (NO2)

Rajbansi Nagar, Patna - BSPCB

Friday, October 14, 2022, 5:45 AM

SO2 18 (Good)

sulfur dioxide (SO2)

O3 28 (Good)

ozone (O3)

CO 690 (Good)

carbon monoxide (CO)

PM2,5 37 (Unhealthy for Sensitive Groups)

particulate matter (PM2.5) dust

NO2 26 (Good)

nitrogen dioxide (NO2)

PM10 54 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

Samanpura, Patna - BSPCB

Friday, October 14, 2022, 5:45 AM

NO2 0.77 (Good)

nitrogen dioxide (NO2)

O3 66 (Good)

ozone (O3)

PM10 63 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

SO2 2.7 (Good)

sulfur dioxide (SO2)

CO 320 (Good)

carbon monoxide (CO)

PM2,5 61 (Unhealthy)

particulate matter (PM2.5) dust

Industrial Area, Hajipur - BSPCB

Friday, October 14, 2022, 6:00 AM

CO 510 (Good)

carbon monoxide (CO)

PM2,5 37 (Unhealthy for Sensitive Groups)

particulate matter (PM2.5) dust

O3 46 (Good)

ozone (O3)

SO2 3.6 (Good)

sulfur dioxide (SO2)

PM10 102 (Unhealthy)

particulate matter (PM10) suspended dust

NO2 14 (Good)

nitrogen dioxide (NO2)

Collectorate, Gaya - BSPCB

index 2022-10-31
o3 10
pm25 101
no2 8.8
so2 9.3
co 1380

SFTI Kusdihra, Gaya - BSPCB

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
so2 2.3 1.5 1.6 0.58 0.95 1.4 1.5 1.1
o3 15 23 18 12 31 22 24 26
pm25 27 15 13 14 12 7.9 7.4 9.2
pm10 36 27 27 30 30 31 23 27
co 503 376 397 273 297 288 209 324
no2 5.4 3.8 9.1 20 17 17 14 17

Muzaffarpur Collectorate, Muzaffarpur - BSPCB

index 2022-10-14 2022-10-13 2022-10-12 2022-10-11 2022-10-09 2022-10-08 2022-10-07
o3 12 17 16 10 17 15 11
pm25 41 44 30 21 26 28 14
co 1493 1426 1404 1436 1477 1399 1426
no2 7.2 7.1 7.1 7.1 6.9 7.4 7.1
so2 7.4 7.1 7 7.2 7.4 7 7.1

DRM Office Danapur, Patna - BSPCB

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
pm10 97 92 68 62 74 67 61 46
so2 5.3 17 5.3 5.1 54 2.2 2.2 2.2
pm25 38 41 29 31 36 34 31 18
co 703 791 794 836 1128 628 789 549
no2 6.6 3.3 9.9 7.2 6.9 6.7 4.4 6.1
o3 1.6 11 9.3 23 21 13 19 13

Govt. High School Shikarpur, Patna - BSPCB

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
o3 20 21 18 19 19 19 20 19
so2 16 16 17 15 12 12 12 12
pm25 45 40 40 39 38 34 38 35
no2 34 240 35 45 20 0.95 2.1 1.8
co 340 562 525 543 487 267 510 316
pm10 103 95 89 70 91 88 87 84

IGSC Planetarium Complex, Patna - BSPCB

index 2022-10-31
o3 41
no2 73
pm25 158
so2 4.8
co 490

Muradpur, Patna - BSPCB

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
o3 68 49 40 43 53 54 49 44
pm10 79 85 89 54 83 91 87 73
so2 6.8 7.1 6.4 6.9 6.8 6.7 7 7
co 687 950 1243 936 956 1001 1009 836
no2 13 13 13 11 11 11 11 12
pm25 21 25 34 23 29 21 24 30

Rajbansi Nagar, Patna - BSPCB

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
no2 25 36 35 27 25 21 30 16
pm25 50 42 40 30 37 41 39 24
co 844 1006 1374 1069 1465 533 961 532
o3 22 7.9 5.9 4.7 6.7 12 9.4 15
pm10 1270 76 76 53 60 66 66 48
so2 21 12 9.8 7.5 27 28 25 20

Samanpura, Patna - BSPCB

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
no2 5.7 7.8 8.1 5.3 4.7 3.6 4.5 2.8
pm10 125 163 96 75 73 76 109 63
o3 43 16 13 38 31 41 35 40
co 627 687 813 522 521 376 603 352
so2 3.5 11 4.4 5.6 6.6 6.2 5.9 7.9
pm25 76 64 38 38 38 33 47 28

Industrial Area, Hajipur - BSPCB

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
so2 3.2 3.3 28 16 4 42 3.5 4.7
co 638 645 561 -1013.75 637 611 775 404
o3 24 16 15 15 17 11 18 17
no2 18 17 15 39 18 12 18 17
pm10 98 104 56 70 81 115 106 48
pm25 40 39 22 27 32 40 41 16

Collectorate - Gaya - BSPCB

2016-03   2018-02
pollution pm25 hikersbay.com
index 2018-02 2018-01 2017-12 2017-11 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 2016-04 2016-03
o3 82 18 17 20 - - - - - - - - - - - - - - 11
co 1 1 1 969 489 454 1 1 997 873 954 1 1 973 736 579 628 895 1
no2 82 30 17 10 13 13 13 13 13 13 30 52 71 17 25 66 86 32 63
pm25 101 103 114 84 133 49 52 96 84 131 149 149 123 115 51 21 24 42 51
so2 7.6 7.5 4.3 1.7 - 5.2 8.2 6 6 4 3.4 8.5 5.6 6 5.6 5.1 5.8 5.8 6.2

Collectorate, Gaya - BSPCB

2018-03   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-04 2019-02 2018-11 2018-10 2018-09 2018-08 2018-05 2018-04 2018-03
pm25 39 46 53 82 96 121 107 61 32 39 51 71 221 109 77 44 34 82 122 284
no2 17 11 4 8.7 7.5 15 48 50 54 57 34 29 - 49 67 80 76 28 22 64
so2 15 15 14 14 14 15 14 14 14 11 8.2 15 25 11 7.2 5.5 6.2 9 2.8 13
co 790 1 857 844 831 835 1 1 947 551 684 1 1 1 1 1 1 933 7 66
o3 107 95 83 70 63 31 32 15 19 32 30 46 6.9 55 49 51 38 78 171 101

Collectorate - Muzaffarpur - BSPCB

2016-03   2018-02
pollution pm25 hikersbay.com
index 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
pm25 171 215 211 190 73 70 43 24 41 88 85 98 231 225 242 208 128 31 34 21 24 71 116 85
so2 21 26 27 20 8.8 7.1 6.7 11 12 12 13 11 21 12 15 13 17 15 20 14 38 14 7.2 30
o3 20 16 15 21 24 20 28 4.2 13 26 31 21 6.7 16 21 20 27 20 24 12 8.9 26 27 42
no2 57 43 51 51 27 29 25 24 27 30 41 41 52 54 50 50 38 24 31 38 21 6.4 28 29
co 1 2 1 1 951 817 538 1 1 1 1 1 1 2 2 2 2 1 1 1 1 1 1 2

Muzaffarpur Collectorate, Muzaffarpur - BSPCB

2019-02   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-05 2019-04 2019-02
pm25 31 46 80 133 201 194 191 87 24 32 41 64 169
no2 24 24 24 24 24 15 17 1 22 53 - 1.6 54
so2 18 22 21 22 16 41 37 32 33 26 21 44 30
co 664 654 837 965 1 1 2 1 1 1 532 697 413
o3 52 56 77 23 23 92 109 84 65 44 57 52 79

IGSC Planetarium Complex - Patna - BSPCB

2016-03   2018-02
pollution pm25 hikersbay.com
index 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
co 1 2 2 2 1 1 1 848 1 928 1 1 2 2 3 2 1 1 1 1 1 2 1 1
no2 13 27 35 65 48 44 33 11 8.5 8.1 12 111 110 82 61 71 51 40 36 36 42 39 24 32
pm25 144 212 252 205 121 86 48 57 80 64 105 111 183 198 268 241 148 51 49 47 58 80 73 83
o3 29 19 20 33 28 22 9.4 9.9 19 45 35 41 49 26 19 48 44 28 24 28 43 58 51 80
so2 17 20 18 8.1 15 13 14 12 17 - - - - - - - - - - - - - - -

IGSC Planetarium Complex, Patna - BSPCB

2018-03   2020-04
pollution pm25 hikersbay.com
index 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-04 2019-02 2018-11 2018-10 2018-09 2018-08 2018-05 2018-04 2018-03
pm25 66 82 118 193 218 199 104 40 35 34 65 179 201 108 63 55 71 117 256
no2 140 106 20 10 227 75 33 62 37 37 30 78 24 38 59 73 57 39 50
so2 16 18 1 14 12 39 1 68 63 62 97 54 45 31 33 35 70 57 60
co 1 1 1 1 2 1 1 1 1 1 925 1 1 1 876 1 1 21 76
o3 - - 18 49 20 59 59 116 60 47 67 50 119 91 68 42 84 84 64

* Pollution data source: https://openaq.org (CPCB, caaqm) The data is licensed under CC-By 4.0