Research article
|
18 Dec 2020
Research article |
|
18 Dec 2020
UK surface NO2 levels dropped by 42 % during the COVID-19 lockdown: impact on surface O3
James D. Lee , Will S. Drysdale , Doug P. Finch , Shona E. Wilde , and Paul I. Palmer
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Total article views: 7,238 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
4,698
2,439
101
7,238
500
117
160
HTML: 4,698
PDF: 2,439
XML: 101
Total: 7,238
Supplement: 500
BibTeX: 117
EndNote: 160
Views and downloads (calculated since 18 Aug 2020)
Month
HTML
PDF
XML
Total
Aug 2020
140
78
1
219
Sep 2020
86
52
2
140
Oct 2020
51
40
2
93
Nov 2020
120
49
3
172
Dec 2020
421
113
6
540
Jan 2021
193
151
3
347
Feb 2021
165
94
2
261
Mar 2021
175
120
0
295
Apr 2021
143
101
1
245
May 2021
117
62
2
181
Jun 2021
69
38
0
107
Jul 2021
71
45
0
116
Aug 2021
60
63
0
123
Sep 2021
56
69
0
125
Oct 2021
66
79
0
145
Nov 2021
70
65
3
138
Dec 2021
47
18
0
65
Jan 2022
56
40
3
99
Feb 2022
60
28
3
91
Mar 2022
90
36
3
129
Apr 2022
57
33
2
92
May 2022
33
16
1
50
Jun 2022
48
25
2
75
Jul 2022
37
24
0
61
Aug 2022
86
28
1
115
Sep 2022
46
24
0
70
Oct 2022
26
26
1
53
Nov 2022
55
40
1
96
Dec 2022
44
27
0
71
Jan 2023
52
53
2
107
Feb 2023
95
69
1
165
Mar 2023
74
43
0
117
Apr 2023
33
37
0
70
May 2023
38
30
1
69
Jun 2023
44
14
1
59
Jul 2023
43
35
2
80
Aug 2023
50
28
4
82
Sep 2023
43
14
2
59
Oct 2023
42
18
4
64
Nov 2023
34
12
0
46
Dec 2023
41
26
1
68
Jan 2024
43
17
1
61
Feb 2024
94
25
4
123
Mar 2024
68
45
2
115
Apr 2024
44
26
2
72
May 2024
50
17
7
74
Jun 2024
50
11
2
63
Jul 2024
28
11
0
39
Aug 2024
50
19
2
71
Sep 2024
38
13
0
51
Oct 2024
62
26
2
90
Nov 2024
74
20
1
95
Dec 2024
51
17
1
69
Jan 2025
33
18
3
54
Feb 2025
97
25
1
123
Mar 2025
37
23
2
62
Apr 2025
38
31
0
69
May 2025
53
19
1
73
Jun 2025
61
23
1
85
Jul 2025
55
14
1
70
Aug 2025
87
24
4
115
Sep 2025
122
14
0
136
Oct 2025
66
21
0
87
Nov 2025
120
17
4
141
Cumulative views and downloads
(calculated since 18 Aug 2020)
Month
HTML views
PDF downloads
XML downloads
Aug 2020
140
78
1
219
Sep 2020
226
130
3
359
Oct 2020
277
170
5
452
Nov 2020
397
219
8
624
Dec 2020
818
332
14
1,164
Jan 2021
1,011
483
17
1,511
Feb 2021
1,176
577
19
1,772
Mar 2021
1,351
697
19
2,067
Apr 2021
1,494
798
20
2,312
May 2021
1,611
860
22
2,493
Jun 2021
1,680
898
22
2,600
Jul 2021
1,751
943
22
2,716
Aug 2021
1,811
1,006
22
2,839
Sep 2021
1,867
1,075
22
2,964
Oct 2021
1,933
1,154
22
3,109
Nov 2021
2,003
1,219
25
3,247
Dec 2021
2,050
1,237
25
3,312
Jan 2022
2,106
1,277
28
3,411
Feb 2022
2,166
1,305
31
3,502
Mar 2022
2,256
1,341
34
3,631
Apr 2022
2,313
1,374
36
3,723
May 2022
2,346
1,390
37
3,773
Jun 2022
2,394
1,415
39
3,848
Jul 2022
2,431
1,439
39
3,909
Aug 2022
2,517
1,467
40
4,024
Sep 2022
2,563
1,491
40
4,094
Oct 2022
2,589
1,517
41
4,147
Nov 2022
2,644
1,557
42
4,243
Dec 2022
2,688
1,584
42
4,314
Jan 2023
2,740
1,637
44
4,421
Feb 2023
2,835
1,706
45
4,586
Mar 2023
2,909
1,749
45
4,703
Apr 2023
2,942
1,786
45
4,773
May 2023
2,980
1,816
46
4,842
Jun 2023
3,024
1,830
47
4,901
Jul 2023
3,067
1,865
49
4,981
Aug 2023
3,117
1,893
53
5,063
Sep 2023
3,160
1,907
55
5,122
Oct 2023
3,202
1,925
59
5,186
Nov 2023
3,236
1,937
59
5,232
Dec 2023
3,277
1,963
60
5,300
Jan 2024
3,320
1,980
61
5,361
Feb 2024
3,414
2,005
65
5,484
Mar 2024
3,482
2,050
67
5,599
Apr 2024
3,526
2,076
69
5,671
May 2024
3,576
2,093
76
5,745
Jun 2024
3,626
2,104
78
5,808
Jul 2024
3,654
2,115
78
5,847
Aug 2024
3,704
2,134
80
5,918
Sep 2024
3,742
2,147
80
5,969
Oct 2024
3,804
2,173
82
6,059
Nov 2024
3,878
2,193
83
6,154
Dec 2024
3,929
2,210
84
6,223
Jan 2025
3,962
2,228
87
6,277
Feb 2025
4,059
2,253
88
6,400
Mar 2025
4,096
2,276
90
6,462
Apr 2025
4,134
2,307
90
6,531
May 2025
4,187
2,326
91
6,604
Jun 2025
4,248
2,349
92
6,689
Jul 2025
4,303
2,363
93
6,759
Aug 2025
4,390
2,387
97
6,874
Sep 2025
4,512
2,401
97
7,010
Oct 2025
4,578
2,422
97
7,097
Nov 2025
4,698
2,439
101
7,238
Total article views: 5,565 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
3,921
1,555
89
5,565
263
100
136
HTML: 3,921
PDF: 1,555
XML: 89
Total: 5,565
Supplement: 263
BibTeX: 100
EndNote: 136
Views and downloads (calculated since 18 Dec 2020)
Month
HTML
PDF
XML
Total
Dec 2020
393
98
6
497
Jan 2021
167
116
3
286
Feb 2021
150
77
2
229
Mar 2021
159
85
0
244
Apr 2021
124
83
1
208
May 2021
107
52
2
161
Jun 2021
64
30
0
94
Jul 2021
64
33
0
97
Aug 2021
51
53
0
104
Sep 2021
51
22
0
73
Oct 2021
63
54
0
117
Nov 2021
66
47
3
116
Dec 2021
38
15
0
53
Jan 2022
49
25
3
77
Feb 2022
56
20
3
79
Mar 2022
85
30
3
118
Apr 2022
52
19
2
73
May 2022
30
11
1
42
Jun 2022
43
20
2
65
Jul 2022
34
14
0
48
Aug 2022
78
15
1
94
Sep 2022
44
12
0
56
Oct 2022
21
9
1
31
Nov 2022
48
31
1
80
Dec 2022
37
14
0
51
Jan 2023
43
34
2
79
Feb 2023
85
51
1
137
Mar 2023
61
24
0
85
Apr 2023
27
22
0
49
May 2023
29
16
1
46
Jun 2023
38
11
1
50
Jul 2023
35
14
2
51
Aug 2023
44
22
4
70
Sep 2023
38
11
2
51
Oct 2023
37
15
4
56
Nov 2023
31
8
0
39
Dec 2023
34
18
1
53
Jan 2024
34
13
1
48
Feb 2024
85
22
4
111
Mar 2024
59
35
1
95
Apr 2024
36
16
2
54
May 2024
45
14
7
66
Jun 2024
45
7
2
54
Jul 2024
25
8
0
33
Aug 2024
48
8
2
58
Sep 2024
36
7
0
43
Oct 2024
61
19
2
82
Nov 2024
74
10
1
85
Dec 2024
51
6
1
58
Jan 2025
33
11
2
46
Feb 2025
95
16
1
112
Mar 2025
37
17
2
56
Apr 2025
38
22
0
60
May 2025
50
13
1
64
Jun 2025
59
17
1
77
Jul 2025
53
11
1
65
Aug 2025
86
16
3
105
Sep 2025
120
6
0
126
Oct 2025
61
15
0
76
Nov 2025
114
15
3
132
Cumulative views and downloads
(calculated since 18 Dec 2020)
Month
HTML views
PDF downloads
XML downloads
Dec 2020
393
98
6
Jan 2021
560
214
9
Feb 2021
710
291
11
Mar 2021
869
376
11
Apr 2021
993
459
12
May 2021
1,100
511
14
Jun 2021
1,164
541
14
Jul 2021
1,228
574
14
Aug 2021
1,279
627
14
Sep 2021
1,330
649
14
Oct 2021
1,393
703
14
Nov 2021
1,459
750
17
Dec 2021
1,497
765
17
Jan 2022
1,546
790
20
Feb 2022
1,602
810
23
Mar 2022
1,687
840
26
Apr 2022
1,739
859
28
May 2022
1,769
870
29
Jun 2022
1,812
890
31
Jul 2022
1,846
904
31
Aug 2022
1,924
919
32
Sep 2022
1,968
931
32
Oct 2022
1,989
940
33
Nov 2022
2,037
971
34
Dec 2022
2,074
985
34
Jan 2023
2,117
1,019
36
Feb 2023
2,202
1,070
37
Mar 2023
2,263
1,094
37
Apr 2023
2,290
1,116
37
May 2023
2,319
1,132
38
Jun 2023
2,357
1,143
39
Jul 2023
2,392
1,157
41
Aug 2023
2,436
1,179
45
Sep 2023
2,474
1,190
47
Oct 2023
2,511
1,205
51
Nov 2023
2,542
1,213
51
Dec 2023
2,576
1,231
52
Jan 2024
2,610
1,244
53
Feb 2024
2,695
1,266
57
Mar 2024
2,754
1,301
58
Apr 2024
2,790
1,317
60
May 2024
2,835
1,331
67
Jun 2024
2,880
1,338
69
Jul 2024
2,905
1,346
69
Aug 2024
2,953
1,354
71
Sep 2024
2,989
1,361
71
Oct 2024
3,050
1,380
73
Nov 2024
3,124
1,390
74
Dec 2024
3,175
1,396
75
Jan 2025
3,208
1,407
77
Feb 2025
3,303
1,423
78
Mar 2025
3,340
1,440
80
Apr 2025
3,378
1,462
80
May 2025
3,428
1,475
81
Jun 2025
3,487
1,492
82
Jul 2025
3,540
1,503
83
Aug 2025
3,626
1,519
86
Sep 2025
3,746
1,525
86
Oct 2025
3,807
1,540
86
Nov 2025
3,921
1,555
89
Total article views: 1,673 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
777
884
12
1,673
237
17
24
HTML: 777
PDF: 884
XML: 12
Total: 1,673
Supplement: 237
BibTeX: 17
EndNote: 24
Views and downloads (calculated since 18 Aug 2020)
Month
HTML
PDF
XML
Total
Aug 2020
140
78
1
219
Sep 2020
86
52
2
140
Oct 2020
51
40
2
93
Nov 2020
120
49
3
172
Dec 2020
28
15
0
43
Jan 2021
26
35
0
61
Feb 2021
15
17
0
32
Mar 2021
16
35
0
51
Apr 2021
19
18
0
37
May 2021
10
10
0
20
Jun 2021
5
8
0
13
Jul 2021
7
12
0
19
Aug 2021
9
10
0
19
Sep 2021
5
47
0
52
Oct 2021
3
25
0
28
Nov 2021
4
18
0
22
Dec 2021
9
3
0
12
Jan 2022
7
15
0
22
Feb 2022
4
8
0
12
Mar 2022
5
6
0
11
Apr 2022
5
14
0
19
May 2022
3
5
0
8
Jun 2022
5
5
0
10
Jul 2022
3
10
0
13
Aug 2022
8
13
0
21
Sep 2022
2
12
0
14
Oct 2022
5
17
0
22
Nov 2022
7
9
0
16
Dec 2022
7
13
0
20
Jan 2023
9
19
0
28
Feb 2023
10
18
0
28
Mar 2023
13
19
0
32
Apr 2023
6
15
0
21
May 2023
9
14
0
23
Jun 2023
6
3
0
9
Jul 2023
8
21
0
29
Aug 2023
6
6
0
12
Sep 2023
5
3
0
8
Oct 2023
5
3
0
8
Nov 2023
3
4
0
7
Dec 2023
7
8
0
15
Jan 2024
9
4
0
13
Feb 2024
9
3
0
12
Mar 2024
9
10
1
20
Apr 2024
8
10
0
18
May 2024
5
3
0
8
Jun 2024
5
4
0
9
Jul 2024
3
3
0
6
Aug 2024
2
11
0
13
Sep 2024
2
6
0
8
Oct 2024
1
7
0
8
Nov 2024
10
0
10
Dec 2024
11
0
11
Jan 2025
7
1
8
Feb 2025
2
9
0
11
Mar 2025
6
0
6
Apr 2025
9
0
9
May 2025
3
6
0
9
Jun 2025
2
6
0
8
Jul 2025
2
3
0
5
Aug 2025
1
8
1
10
Sep 2025
2
8
0
10
Oct 2025
5
6
0
11
Nov 2025
6
2
1
9
Cumulative views and downloads
(calculated since 18 Aug 2020)
Month
HTML views
PDF downloads
XML downloads
Aug 2020
140
78
1
Sep 2020
226
130
3
Oct 2020
277
170
5
Nov 2020
397
219
8
Dec 2020
425
234
8
Jan 2021
451
269
8
Feb 2021
466
286
8
Mar 2021
482
321
8
Apr 2021
501
339
8
May 2021
511
349
8
Jun 2021
516
357
8
Jul 2021
523
369
8
Aug 2021
532
379
8
Sep 2021
537
426
8
Oct 2021
540
451
8
Nov 2021
544
469
8
Dec 2021
553
472
8
Jan 2022
560
487
8
Feb 2022
564
495
8
Mar 2022
569
501
8
Apr 2022
574
515
8
May 2022
577
520
8
Jun 2022
582
525
8
Jul 2022
585
535
8
Aug 2022
593
548
8
Sep 2022
595
560
8
Oct 2022
600
577
8
Nov 2022
607
586
8
Dec 2022
614
599
8
Jan 2023
623
618
8
Feb 2023
633
636
8
Mar 2023
646
655
8
Apr 2023
652
670
8
May 2023
661
684
8
Jun 2023
667
687
8
Jul 2023
675
708
8
Aug 2023
681
714
8
Sep 2023
686
717
8
Oct 2023
691
720
8
Nov 2023
694
724
8
Dec 2023
701
732
8
Jan 2024
710
736
8
Feb 2024
719
739
8
Mar 2024
728
749
9
Apr 2024
736
759
9
May 2024
741
762
9
Jun 2024
746
766
9
Jul 2024
749
769
9
Aug 2024
751
780
9
Sep 2024
753
786
9
Oct 2024
754
793
9
Nov 2024
754
803
9
Dec 2024
754
814
9
Jan 2025
754
821
10
Feb 2025
756
830
10
Mar 2025
756
836
10
Apr 2025
756
845
10
May 2025
759
851
10
Jun 2025
761
857
10
Jul 2025
763
860
10
Aug 2025
764
868
11
Sep 2025
766
876
11
Oct 2025
771
882
11
Nov 2025
777
884
12
Viewed (geographical distribution)
Total article views: 7,238 (including HTML, PDF, and XML)
Thereof 7,238 with geography defined
and 0 with unknown origin.
Total article views: 5,565 (including HTML, PDF, and XML)
Thereof 5,565 with geography defined
and 0 with unknown origin.
Total article views: 1,673 (including HTML, PDF, and XML)
Thereof 1,673 with geography defined
and 0 with unknown origin.
Total:
0
HTML:
0
PDF:
0
XML:
0
Total:
0
HTML:
0
PDF:
0
XML:
0
Total:
0
HTML:
0
PDF:
0
XML:
0
Latest update: 20 Nov 2025