Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
91
O3
0.3
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
58
Good
Mon
5 May
58
Good
Tue
6 May
57
Good
Wed
7 May
54
Good
Thu
8 May
57
Good
Fri
9 May
56
Good
Sat
10 May
26
Excellent
Air quality in the last 12 months (Dong'an)
|
2025/02
|
61
|
86
|
67
|
50
|
44
|
42
|
44
|
43
|
47
|
56
|
69
|
62
|
45
|
52
|
80
|
71
|
40
|
34
|
41
|
43
|
44
|
40
|
42
|
46
|
61
|
45
|
56
|
77
|
|||
|
2025/01
|
62
|
60
|
55
|
60
|
86
|
81
|
67
|
62
|
45
|
56
|
76
|
86
|
85
|
67
|
46
|
43
|
67
|
99
|
84
|
90
|
108
|
119
|
97
|
81
|
81
|
113
|
62
|
49
|
73
|
46
|
49
|
|
2024/12
|
52
|
39
|
30
|
28
|
32
|
31
|
40
|
45
|
65
|
63
|
38
|
54
|
56
|
52
|
33
|
38
|
43
|
43
|
51
|
66
|
53
|
47
|
43
|
53
|
61
|
39
|
36
|
38
|
57
|
80
|
72
|
|
2024/11
|
61
|
57
|
47
|
38
|
32
|
43
|
75
|
96
|
90
|
68
|
67
|
64
|
72
|
74
|
63
|
56
|
34
|
35
|
47
|
62
|
59
|
48
|
49
|
64
|
80
|
50
|
29
|
45
|
40
|
37
|
|
|
2024/10
|
26
|
30
|
40
|
38
|
45
|
47
|
30
|
45
|
50
|
46
|
33
|
46
|
54
|
42
|
29
|
33
|
54
|
57
|
31
|
37
|
42
|
45
|
37
|
44
|
63
|
46
|
37
|
49
|
66
|
59
|
66
|
|
2024/09
|
24
|
25
|
25
|
30
|
28
|
27
|
29
|
30
|
27
|
27
|
30
|
32
|
27
|
26
|
28
|
34
|
29
|
29
|
35
|
31
|
31
|
33
|
35
|
41
|
39
|
30
|
38
|
42
|
35
|
31
|
|
|
2024/08
|
33
|
31
|
29
|
28
|
24
|
30
|
33
|
33
|
31
|
36
|
28
|
23
|
31
|
28
|
30
|
30
|
34
|
27
|
22
|
22
|
19
|
22
|
27
|
35
|
38
|
28
|
28
|
24
|
30
|
28
|
27
|
|
2024/07
|
59
|
66
|
52
|
30
|
37
|
40
|
37
|
55
|
56
|
60
|
81
|
70
|
54
|
60
|
55
|
48
|
36
|
31
|
34
|
39
|
35
|
29
|
29
|
31
|
31
|
29
|
25
|
25
|
28
|
27
|
29
|
|
2024/06
|
19
|
28
|
34
|
30
|
32
|
34
|
37
|
30
|
25
|
25
|
40
|
32
|
27
|
20
|
20
|
22
|
23
|
26
|
37
|
41
|
35
|
23
|
21
|
19
|
25
|
29
|
31
|
53
|
47
|
46
|
|
|
2024/05
|
42
|
43
|
59
|
62
|
61
|
59
|
43
|
39
|
36
|
44
|
48
|
36
|
43
|
41
|
24
|
26
|
29
|
45
|
30
|
27
|
24
|
46
|
37
|
27
|
27
|
26
|
25
|
28
|
29
|
26
|
26
|
|
2024/04
|
54
|
44
|
50
|
43
|
53
|
74
|
40
|
36
|
49
|
77
|
80
|
73
|
60
|
85
|
72
|
87
|
40
|
84
|
63
|
136
|
96
|
73
|
50
|
54
|
68
|
61
|
59
|
55
|
68
|
41
|
|
|
2024/03
|
42
|
39
|
44
|
43
|
41
|
47
|
46
|
43
|
43
|
56
|
61
|
48
|
55
|
43
|
46
|
38
|
37
|
43
|
44
|
42
|
43
|
44
|
36
|
36
|
48
|
55
|
51
|
124
|
92
|
52
|
53
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution