Table 2.
Annual Average Concentration (µg/m3) of pollutants PM10, SO2 and NO2 at all seven monitoring Stations (i.e. Commercial, Residential, and Industrial area).
| STATION | ANNUAL AVERAGE CONCENTRATION (µg/m3) | |||||
|---|---|---|---|---|---|---|
| YEAR | 2016 | 2017 | 2018 | 2019 | 2020 | |
| HAZRATGANJ (COMMERCIAL) | PM10 | 217.68 | 323.05 | 244.95 | 197.76 | 211.21 |
| SO2 | 7.77 | 8.33 | 8.39 | 8.61 | 7.77 | |
| NO2 | 26.91 | 26.81 | 30.16 | 30.95 | 33.42 | |
| SARAI MALI KHAN (COMMERCIAL) | PM10 | 216.33 | 243.25 | 230.86 | 216.38 | 163.56 |
| SO2 | 7.98 | 8.70 | 8.53 | 8.94 | 7.55 | |
| NO2 | 27.50 | 26.28 | 29.30 | 31.86 | 31.15 | |
| ANSAL T.C. (COMMERCIAL) | PM10 | 204.13 | 197.09 | 208.84 | 201.09 | 166.61 |
| SO2 | 7.24 | 7.27 | 7.63 | 8.40 | 7.11 | |
| NO2 | 26.05 | 23.52 | 26.62 | 28.92 | 30.73 | |
| GOMTI NAGAR (COMMERCIAL) | PM10 | 214.50 | 233.55 | 218.26 | 190.02 | 158.96 |
| SO2 | 7.42 | 8.11 | 8.15 | 8.14 | 7.51 | |
| NO2 | 26.82 | 25.22 | 28.27 | 29.59 | 30.68 | |
| MAHANAGAR (RESIDENTIAL) | PM10 | 198.13 | 212.06 | 204.50 | 169.28 | 189.26 |
| SO2 | 7.54 | 8.24 | 7.88 | 7.84 | 7.58 | |
| NO2 | 26.91 | 25.26 | 28.87 | 29.70 | 31.61 | |
| ALIGANJ (RESIDENTIAL) | PM10 | 211.87 | 199.28 | 174.73 | 174.75 | 148.74 |
| SO2 | 7.48 | 7.48 | 7.26 | 7.63 | 7.22 | |
| NO2 | 26.84 | 23.92 | 26.06 | 30.32 | 31.16 | |
| TALKATORA (INDUSTRIAL) | PM10 | 216.59 | 214.07 | 229.43 | 224.60 | 221.73 |
| SO2 | 7.92 | 8.85 | 7.96 | 8.62 | 7.95 | |
| NO2 | 27.38 | 27.04 | 30.59 | 31.77 | 33.46 | |