Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
21
O3
0.6
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
45
Excellent
Sun
24 May
41
Excellent
Mon
25 May
53
Good
Tue
26 May
51
Good
Wed
27 May
44
Excellent
Thu
28 May
58
Good
Fri
29 May
18
Excellent
Air quality in the last 12 months (Duchang)
|
2026/04
|
37
|
44
|
21
|
31
|
51
|
40
|
63
|
37
|
34
|
33
|
44
|
29
|
39
|
26
|
35
|
43
|
39
|
45
|
50
|
51
|
22
|
15
|
24
|
21
|
28
|
38
|
53
|
36
|
26
|
29
|
|
|
2026/03
|
17
|
22
|
36
|
67
|
67
|
54
|
75
|
58
|
67
|
60
|
53
|
49
|
55
|
59
|
110
|
58
|
30
|
14
|
50
|
58
|
62
|
39
|
41
|
58
|
71
|
41
|
49
|
50
|
49
|
35
|
34
|
|
2026/02
|
40
|
51
|
76
|
61
|
68
|
55
|
33
|
57
|
57
|
57
|
66
|
70
|
65
|
37
|
41
|
33
|
73
|
62
|
58
|
44
|
34
|
68
|
95
|
25
|
29
|
18
|
14
|
41
|
|||
|
2026/01
|
25
|
42
|
65
|
70
|
62
|
59
|
46
|
57
|
52
|
66
|
70
|
62
|
73
|
71
|
79
|
100
|
157
|
167
|
70
|
30
|
54
|
59
|
71
|
76
|
92
|
103
|
53
|
53
|
74
|
31
|
24
|
|
2025/12
|
87
|
113
|
78
|
77
|
64
|
69
|
83
|
116
|
98
|
116
|
113
|
106
|
39
|
54
|
50
|
56
|
111
|
175
|
122
|
143
|
65
|
42
|
47
|
44
|
65
|
65
|
65
|
62
|
71
|
127
|
90
|
|
2025/11
|
50
|
57
|
92
|
70
|
64
|
68
|
47
|
33
|
27
|
66
|
55
|
39
|
47
|
59
|
68
|
65
|
77
|
27
|
37
|
46
|
58
|
67
|
60
|
60
|
92
|
73
|
96
|
97
|
77
|
66
|
|
|
2025/10
|
37
|
42
|
47
|
43
|
47
|
28
|
48
|
68
|
58
|
50
|
66
|
59
|
61
|
51
|
76
|
47
|
54
|
31
|
12
|
28
|
27
|
31
|
33
|
45
|
70
|
78
|
76
|
93
|
104
|
116
|
51
|
|
2025/09
|
18
|
26
|
31
|
35
|
34
|
35
|
35
|
35
|
14
|
14
|
15
|
20
|
28
|
18
|
27
|
38
|
35
|
33
|
47
|
22
|
42
|
34
|
43
|
16
|
17
|
22
|
35
|
50
|
43
|
47
|
|
|
2025/08
|
27
|
31
|
31
|
22
|
16
|
10
|
11
|
14
|
20
|
27
|
29
|
25
|
22
|
15
|
12
|
15
|
20
|
19
|
14
|
14
|
15
|
17
|
16
|
20
|
21
|
20
|
14
|
18
|
20
|
25
|
16
|
|
2025/07
|
18
|
21
|
26
|
28
|
26
|
27
|
34
|
32
|
17
|
16
|
22
|
14
|
14
|
22
|
28
|
26
|
24
|
27
|
24
|
10
|
8
|
8
|
12
|
15
|
18
|
18
|
14
|
18
|
15
|
23
|
14
|
|
2025/06
|
16
|
9
|
21
|
28
|
24
|
24
|
23
|
18
|
18
|
21
|
14
|
16
|
25
|
17
|
13
|
34
|
19
|
10
|
13
|
13
|
13
|
12
|
9
|
16
|
18
|
23
|
19
|
15
|
13
|
17
|
|
|
2025/05
|
45
|
51
|
59
|
52
|
21
|
69
|
127
|
29
|
27
|
53
|
45
|
51
|
42
|
43
|
55
|
28
|
31
|
58
|
30
|
21
|
17
|
19
|
20
|
61
|
64
|
62
|
59
|
34
|
24
|
18
|
16
|
|
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