Table 2.

Mean top-down NOx emission (± standard deviation) in 2020 and its anomaly with respect to 2019 emissions over a 60 × 60 km² region around central Delhi (77.21 E, 28.60 N).

Phase	Mean emission (kg/s)	Mean anomaly compared to 2019
BAU	2.78 ± 0.43	− 17.3%
Phase 1	0.61 ± 0.13	− 72.0%
Phase 2	0.62 ± 0.09	− 63.2%
Phase 3	0.85 ± 0.29	− 50.3%
Phase 4	1.30 ± 0.72	− 29.4%
Phase 5	1.05 ± 0.18	− 40.6%