Research article
|
11 Oct 2019
Research article |
|
11 Oct 2019
A low-cost monitor for simultaneous measurement of fine particulate matter and aerosol optical depth – Part 1: Specifications and testing
Eric A. Wendt , Casey W. Quinn , Daniel D. Miller-Lionberg , Jessica Tryner , Christian L'Orange , Bonne Ford , Azer P. Yalin , Jeffrey R. Pierce , Shantanu Jathar , and John Volckens
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Total article views: 5,482 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
3,508
1,889
85
5,482
468
145
155
HTML: 3,508
PDF: 1,889
XML: 85
Total: 5,482
Supplement: 468
BibTeX: 145
EndNote: 155
Views and downloads (calculated since 11 Apr 2019)
Month
HTML
PDF
XML
Total
Apr 2019
189
72
1
262
May 2019
49
22
0
71
Jun 2019
27
7
0
34
Jul 2019
23
12
1
36
Aug 2019
22
13
0
35
Sep 2019
101
16
0
117
Oct 2019
358
125
6
489
Nov 2019
77
144
3
224
Dec 2019
90
146
0
236
Jan 2020
50
80
1
131
Feb 2020
31
67
1
99
Mar 2020
40
31
0
71
Apr 2020
46
18
0
64
May 2020
52
16
0
68
Jun 2020
38
19
1
58
Jul 2020
36
83
5
124
Aug 2020
48
42
5
95
Sep 2020
33
24
0
57
Oct 2020
38
14
1
53
Nov 2020
27
10
0
37
Dec 2020
26
10
0
36
Jan 2021
29
17
0
46
Feb 2021
17
9
0
26
Mar 2021
29
13
0
42
Apr 2021
42
18
0
60
May 2021
51
10
1
62
Jun 2021
35
19
0
54
Jul 2021
41
16
1
58
Aug 2021
34
24
1
59
Sep 2021
42
28
0
70
Oct 2021
32
43
0
75
Nov 2021
33
32
0
65
Dec 2021
46
14
1
61
Jan 2022
30
17
0
47
Feb 2022
24
21
4
49
Mar 2022
37
16
0
53
Apr 2022
29
20
1
50
May 2022
23
21
0
44
Jun 2022
36
13
0
49
Jul 2022
36
9
0
45
Aug 2022
77
4
0
81
Sep 2022
32
11
1
44
Oct 2022
47
9
0
56
Nov 2022
41
9
0
50
Dec 2022
19
7
0
26
Jan 2023
31
21
1
53
Feb 2023
33
18
3
54
Mar 2023
43
15
0
58
Apr 2023
30
15
0
45
May 2023
32
13
0
45
Jun 2023
37
14
2
53
Jul 2023
24
16
1
41
Aug 2023
32
14
3
49
Sep 2023
59
17
2
78
Oct 2023
34
12
0
46
Nov 2023
16
11
0
27
Dec 2023
30
15
0
45
Jan 2024
19
14
1
34
Feb 2024
27
18
1
46
Mar 2024
37
23
2
62
Apr 2024
48
12
4
64
May 2024
41
10
5
56
Jun 2024
71
14
4
89
Jul 2024
65
12
3
80
Aug 2024
36
8
2
46
Sep 2024
38
11
0
49
Oct 2024
35
11
0
46
Nov 2024
24
11
1
36
Dec 2024
16
11
1
28
Jan 2025
24
14
2
40
Feb 2025
31
12
0
43
Mar 2025
13
11
0
24
Apr 2025
22
23
2
47
May 2025
24
24
1
49
Jun 2025
57
16
1
74
Jul 2025
43
17
3
63
Aug 2025
53
21
1
75
Sep 2025
62
16
2
80
Oct 2025
39
22
1
62
Nov 2025
19
6
1
26
Cumulative views and downloads
(calculated since 11 Apr 2019)
Month
HTML views
PDF downloads
XML downloads
Apr 2019
189
72
1
262
May 2019
238
94
1
333
Jun 2019
265
101
1
367
Jul 2019
288
113
2
403
Aug 2019
310
126
2
438
Sep 2019
411
142
2
555
Oct 2019
769
267
8
1,044
Nov 2019
846
411
11
1,268
Dec 2019
936
557
11
1,504
Jan 2020
986
637
12
1,635
Feb 2020
1,017
704
13
1,734
Mar 2020
1,057
735
13
1,805
Apr 2020
1,103
753
13
1,869
May 2020
1,155
769
13
1,937
Jun 2020
1,193
788
14
1,995
Jul 2020
1,229
871
19
2,119
Aug 2020
1,277
913
24
2,214
Sep 2020
1,310
937
24
2,271
Oct 2020
1,348
951
25
2,324
Nov 2020
1,375
961
25
2,361
Dec 2020
1,401
971
25
2,397
Jan 2021
1,430
988
25
2,443
Feb 2021
1,447
997
25
2,469
Mar 2021
1,476
1,010
25
2,511
Apr 2021
1,518
1,028
25
2,571
May 2021
1,569
1,038
26
2,633
Jun 2021
1,604
1,057
26
2,687
Jul 2021
1,645
1,073
27
2,745
Aug 2021
1,679
1,097
28
2,804
Sep 2021
1,721
1,125
28
2,874
Oct 2021
1,753
1,168
28
2,949
Nov 2021
1,786
1,200
28
3,014
Dec 2021
1,832
1,214
29
3,075
Jan 2022
1,862
1,231
29
3,122
Feb 2022
1,886
1,252
33
3,171
Mar 2022
1,923
1,268
33
3,224
Apr 2022
1,952
1,288
34
3,274
May 2022
1,975
1,309
34
3,318
Jun 2022
2,011
1,322
34
3,367
Jul 2022
2,047
1,331
34
3,412
Aug 2022
2,124
1,335
34
3,493
Sep 2022
2,156
1,346
35
3,537
Oct 2022
2,203
1,355
35
3,593
Nov 2022
2,244
1,364
35
3,643
Dec 2022
2,263
1,371
35
3,669
Jan 2023
2,294
1,392
36
3,722
Feb 2023
2,327
1,410
39
3,776
Mar 2023
2,370
1,425
39
3,834
Apr 2023
2,400
1,440
39
3,879
May 2023
2,432
1,453
39
3,924
Jun 2023
2,469
1,467
41
3,977
Jul 2023
2,493
1,483
42
4,018
Aug 2023
2,525
1,497
45
4,067
Sep 2023
2,584
1,514
47
4,145
Oct 2023
2,618
1,526
47
4,191
Nov 2023
2,634
1,537
47
4,218
Dec 2023
2,664
1,552
47
4,263
Jan 2024
2,683
1,566
48
4,297
Feb 2024
2,710
1,584
49
4,343
Mar 2024
2,747
1,607
51
4,405
Apr 2024
2,795
1,619
55
4,469
May 2024
2,836
1,629
60
4,525
Jun 2024
2,907
1,643
64
4,614
Jul 2024
2,972
1,655
67
4,694
Aug 2024
3,008
1,663
69
4,740
Sep 2024
3,046
1,674
69
4,789
Oct 2024
3,081
1,685
69
4,835
Nov 2024
3,105
1,696
70
4,871
Dec 2024
3,121
1,707
71
4,899
Jan 2025
3,145
1,721
73
4,939
Feb 2025
3,176
1,733
73
4,982
Mar 2025
3,189
1,744
73
5,006
Apr 2025
3,211
1,767
75
5,053
May 2025
3,235
1,791
76
5,102
Jun 2025
3,292
1,807
77
5,176
Jul 2025
3,335
1,824
80
5,239
Aug 2025
3,388
1,845
81
5,314
Sep 2025
3,450
1,861
83
5,394
Oct 2025
3,489
1,883
84
5,456
Nov 2025
3,508
1,889
85
5,482
Total article views: 4,077 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
3,000
998
79
4,077
278
134
141
HTML: 3,000
PDF: 998
XML: 79
Total: 4,077
Supplement: 278
BibTeX: 134
EndNote: 141
Views and downloads (calculated since 11 Oct 2019)
Month
HTML
PDF
XML
Total
Oct 2019
316
83
6
405
Nov 2019
76
24
3
103
Dec 2019
90
22
0
112
Jan 2020
49
16
1
66
Feb 2020
29
24
1
54
Mar 2020
40
13
0
53
Apr 2020
46
17
0
63
May 2020
52
11
0
63
Jun 2020
32
12
1
45
Jul 2020
34
15
5
54
Aug 2020
48
18
5
71
Sep 2020
33
16
0
49
Oct 2020
37
5
0
42
Nov 2020
27
9
0
36
Dec 2020
24
5
0
29
Jan 2021
29
15
0
44
Feb 2021
16
7
0
23
Mar 2021
28
11
0
39
Apr 2021
40
13
0
53
May 2021
47
6
1
54
Jun 2021
34
14
0
48
Jul 2021
40
9
1
50
Aug 2021
34
17
1
52
Sep 2021
42
23
0
65
Oct 2021
31
39
0
70
Nov 2021
31
25
0
56
Dec 2021
45
9
1
55
Jan 2022
30
11
0
41
Feb 2022
24
16
4
44
Mar 2022
36
8
0
44
Apr 2022
29
12
1
42
May 2022
23
14
0
37
Jun 2022
36
6
0
42
Jul 2022
36
8
0
44
Aug 2022
77
2
0
79
Sep 2022
32
9
1
42
Oct 2022
46
5
0
51
Nov 2022
41
7
0
48
Dec 2022
16
4
0
20
Jan 2023
31
13
1
45
Feb 2023
33
12
3
48
Mar 2023
42
12
0
54
Apr 2023
30
13
0
43
May 2023
31
8
0
39
Jun 2023
37
12
2
51
Jul 2023
24
12
1
37
Aug 2023
32
11
3
46
Sep 2023
58
11
2
71
Oct 2023
34
11
0
45
Nov 2023
16
8
0
24
Dec 2023
30
13
0
43
Jan 2024
19
12
1
32
Feb 2024
25
14
1
40
Mar 2024
36
18
2
56
Apr 2024
48
8
4
60
May 2024
41
6
5
52
Jun 2024
70
10
4
84
Jul 2024
64
10
3
77
Aug 2024
36
4
2
42
Sep 2024
37
7
0
44
Oct 2024
35
11
0
46
Nov 2024
23
8
1
32
Dec 2024
16
11
1
28
Jan 2025
24
10
2
36
Feb 2025
26
9
0
35
Mar 2025
13
10
0
23
Apr 2025
22
20
2
44
May 2025
24
24
0
48
Jun 2025
56
15
1
72
Jul 2025
43
16
3
62
Aug 2025
52
18
1
71
Sep 2025
61
15
1
77
Oct 2025
38
21
1
60
Nov 2025
17
5
0
22
Cumulative views and downloads
(calculated since 11 Oct 2019)
Month
HTML views
PDF downloads
XML downloads
Oct 2019
316
83
6
Nov 2019
392
107
9
Dec 2019
482
129
9
Jan 2020
531
145
10
Feb 2020
560
169
11
Mar 2020
600
182
11
Apr 2020
646
199
11
May 2020
698
210
11
Jun 2020
730
222
12
Jul 2020
764
237
17
Aug 2020
812
255
22
Sep 2020
845
271
22
Oct 2020
882
276
22
Nov 2020
909
285
22
Dec 2020
933
290
22
Jan 2021
962
305
22
Feb 2021
978
312
22
Mar 2021
1,006
323
22
Apr 2021
1,046
336
22
May 2021
1,093
342
23
Jun 2021
1,127
356
23
Jul 2021
1,167
365
24
Aug 2021
1,201
382
25
Sep 2021
1,243
405
25
Oct 2021
1,274
444
25
Nov 2021
1,305
469
25
Dec 2021
1,350
478
26
Jan 2022
1,380
489
26
Feb 2022
1,404
505
30
Mar 2022
1,440
513
30
Apr 2022
1,469
525
31
May 2022
1,492
539
31
Jun 2022
1,528
545
31
Jul 2022
1,564
553
31
Aug 2022
1,641
555
31
Sep 2022
1,673
564
32
Oct 2022
1,719
569
32
Nov 2022
1,760
576
32
Dec 2022
1,776
580
32
Jan 2023
1,807
593
33
Feb 2023
1,840
605
36
Mar 2023
1,882
617
36
Apr 2023
1,912
630
36
May 2023
1,943
638
36
Jun 2023
1,980
650
38
Jul 2023
2,004
662
39
Aug 2023
2,036
673
42
Sep 2023
2,094
684
44
Oct 2023
2,128
695
44
Nov 2023
2,144
703
44
Dec 2023
2,174
716
44
Jan 2024
2,193
728
45
Feb 2024
2,218
742
46
Mar 2024
2,254
760
48
Apr 2024
2,302
768
52
May 2024
2,343
774
57
Jun 2024
2,413
784
61
Jul 2024
2,477
794
64
Aug 2024
2,513
798
66
Sep 2024
2,550
805
66
Oct 2024
2,585
816
66
Nov 2024
2,608
824
67
Dec 2024
2,624
835
68
Jan 2025
2,648
845
70
Feb 2025
2,674
854
70
Mar 2025
2,687
864
70
Apr 2025
2,709
884
72
May 2025
2,733
908
72
Jun 2025
2,789
923
73
Jul 2025
2,832
939
76
Aug 2025
2,884
957
77
Sep 2025
2,945
972
78
Oct 2025
2,983
993
79
Nov 2025
3,000
998
79
Total article views: 1,405 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
508
891
6
1,405
190
11
14
HTML: 508
PDF: 891
XML: 6
Total: 1,405
Supplement: 190
BibTeX: 11
EndNote: 14
Views and downloads (calculated since 11 Apr 2019)
Month
HTML
PDF
XML
Total
Apr 2019
189
72
1
262
May 2019
49
22
0
71
Jun 2019
27
7
0
34
Jul 2019
23
12
1
36
Aug 2019
22
13
0
35
Sep 2019
101
16
0
117
Oct 2019
42
42
0
84
Nov 2019
1
120
0
121
Dec 2019
124
0
124
Jan 2020
1
64
0
65
Feb 2020
2
43
0
45
Mar 2020
18
0
18
Apr 2020
1
0
1
May 2020
5
0
5
Jun 2020
6
7
0
13
Jul 2020
2
68
0
70
Aug 2020
24
0
24
Sep 2020
8
0
8
Oct 2020
1
9
1
11
Nov 2020
1
0
1
Dec 2020
2
5
0
7
Jan 2021
2
0
2
Feb 2021
1
2
0
3
Mar 2021
1
2
0
3
Apr 2021
2
5
0
7
May 2021
4
4
0
8
Jun 2021
1
5
0
6
Jul 2021
1
7
0
8
Aug 2021
7
0
7
Sep 2021
5
0
5
Oct 2021
1
4
0
5
Nov 2021
2
7
0
9
Dec 2021
1
5
0
6
Jan 2022
6
0
6
Feb 2022
5
0
5
Mar 2022
1
8
0
9
Apr 2022
8
0
8
May 2022
7
0
7
Jun 2022
7
0
7
Jul 2022
1
0
1
Aug 2022
2
0
2
Sep 2022
2
0
2
Oct 2022
1
4
0
5
Nov 2022
2
0
2
Dec 2022
3
3
0
6
Jan 2023
8
0
8
Feb 2023
6
0
6
Mar 2023
1
3
0
4
Apr 2023
2
0
2
May 2023
1
5
0
6
Jun 2023
2
0
2
Jul 2023
4
0
4
Aug 2023
3
0
3
Sep 2023
1
6
0
7
Oct 2023
1
0
1
Nov 2023
3
0
3
Dec 2023
2
0
2
Jan 2024
2
0
2
Feb 2024
2
4
0
6
Mar 2024
1
5
0
6
Apr 2024
4
0
4
May 2024
4
0
4
Jun 2024
1
4
0
5
Jul 2024
1
2
0
3
Aug 2024
4
0
4
Sep 2024
1
4
0
5
Oct 2024
0
Nov 2024
1
3
0
4
Dec 2024
0
Jan 2025
4
0
4
Feb 2025
5
3
0
8
Mar 2025
1
0
1
Apr 2025
3
0
3
May 2025
1
1
Jun 2025
1
1
0
2
Jul 2025
1
0
1
Aug 2025
1
3
0
4
Sep 2025
1
1
1
3
Oct 2025
1
1
0
2
Nov 2025
2
1
1
4
Cumulative views and downloads
(calculated since 11 Apr 2019)
Month
HTML views
PDF downloads
XML downloads
Apr 2019
189
72
1
May 2019
238
94
1
Jun 2019
265
101
1
Jul 2019
288
113
2
Aug 2019
310
126
2
Sep 2019
411
142
2
Oct 2019
453
184
2
Nov 2019
454
304
2
Dec 2019
454
428
2
Jan 2020
455
492
2
Feb 2020
457
535
2
Mar 2020
457
553
2
Apr 2020
457
554
2
May 2020
457
559
2
Jun 2020
463
566
2
Jul 2020
465
634
2
Aug 2020
465
658
2
Sep 2020
465
666
2
Oct 2020
466
675
3
Nov 2020
466
676
3
Dec 2020
468
681
3
Jan 2021
468
683
3
Feb 2021
469
685
3
Mar 2021
470
687
3
Apr 2021
472
692
3
May 2021
476
696
3
Jun 2021
477
701
3
Jul 2021
478
708
3
Aug 2021
478
715
3
Sep 2021
478
720
3
Oct 2021
479
724
3
Nov 2021
481
731
3
Dec 2021
482
736
3
Jan 2022
482
742
3
Feb 2022
482
747
3
Mar 2022
483
755
3
Apr 2022
483
763
3
May 2022
483
770
3
Jun 2022
483
777
3
Jul 2022
483
778
3
Aug 2022
483
780
3
Sep 2022
483
782
3
Oct 2022
484
786
3
Nov 2022
484
788
3
Dec 2022
487
791
3
Jan 2023
487
799
3
Feb 2023
487
805
3
Mar 2023
488
808
3
Apr 2023
488
810
3
May 2023
489
815
3
Jun 2023
489
817
3
Jul 2023
489
821
3
Aug 2023
489
824
3
Sep 2023
490
830
3
Oct 2023
490
831
3
Nov 2023
490
834
3
Dec 2023
490
836
3
Jan 2024
490
838
3
Feb 2024
492
842
3
Mar 2024
493
847
3
Apr 2024
493
851
3
May 2024
493
855
3
Jun 2024
494
859
3
Jul 2024
495
861
3
Aug 2024
495
865
3
Sep 2024
496
869
3
Oct 2024
496
869
3
Nov 2024
497
872
3
Dec 2024
497
872
3
Jan 2025
497
876
3
Feb 2025
502
879
3
Mar 2025
502
880
3
Apr 2025
502
883
3
May 2025
502
883
4
Jun 2025
503
884
4
Jul 2025
503
885
4
Aug 2025
504
888
4
Sep 2025
505
889
5
Oct 2025
506
890
5
Nov 2025
508
891
6
Viewed (geographical distribution)
Total article views: 5,482 (including HTML, PDF, and XML)
Thereof 4,725 with geography defined
and 757 with unknown origin.
Total article views: 4,077 (including HTML, PDF, and XML)
Thereof 3,696 with geography defined
and 381 with unknown origin.
Total article views: 1,405 (including HTML, PDF, and XML)
Thereof 1,029 with geography defined
and 376 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: 13 Nov 2025