Air Quality Levels in Locations of Kerala (2003) | ||||||
Pollution Standards | Annual Mean Concentration Range(g/m3) | |||||
SO2 | NO2 | SPM | ||||
Industrial | Residential | Industrial | Residential | Industrial | Residential | |
Low (L) | -0-40 | 0-30 | 0-40 | 0-30 | 0-190 | 0-70 |
Moderate (M) | 40-80 | 30-60 | 40-80 | 30-60 | 180-360 | 70-140 |
High (H) | 80-120 | 60-9- | 80-120 | 60-90 | 360-540 | 140-210 |
Critical © Pollution level | >120 | >90 | >120 | >90 | >540 | >210 |
Locations | ||||||
Kochi | ||||||
Kottayam | ||||||
Kozhikode | ||||||
Thiruvanathap uram |