Table 1.
Mean anomaly between the observed and expected NO2 concentrations for each lockdown Phase in 2020. The range corresponds to 95% prediction intervals.
| Phase | Urban (Delhi) | Rural (Fatehabad) |
|---|---|---|
| BAU | 15.7% (0.0% to 36.3%) | 20.3% (5.6% to 44.0%) |
| Phase 1 | − 61.0% (− 67.0% to − 53.0%) | − 33.5% (− 43.3% to 20.7%) |
| Phase 2 | − 31.1% (− 42.0% to − 19.3%) | − 7.7% (− 22.0% to 10.8%) |
| Phase 3 | − 30.4% (− 40.0% to − 17.4%) | − 15.0% (− 28.6% to 1.8%) |
| Phase 4 | − 27.0% (− 37.0% to − 13.4%) | − 10.5% (− 25.0% to 6.6%) |
| Phase 5 | − 3.4% (− 18.4% to 16.2%) | 6.2% (10.4% to 27.3%) |