Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
23
PM2.5
92
*
PM10
32
O3
1.0
CO
6
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Jan
64
Good
Tue
20 Jan
46
Excellent
Wed
21 Jan
46
Excellent
Thu
22 Jan
67
Good
Fri
23 Jan
80
Good
Sat
24 Jan
105
Light
Sun
25 Jan
23
Excellent
Air quality in the last 12 months (Duchang)
|
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
|
|
2025/04
|
56
|
55
|
61
|
56
|
69
|
62
|
60
|
57
|
65
|
54
|
40
|
213
|
147
|
127
|
54
|
55
|
65
|
65
|
55
|
45
|
20
|
22
|
54
|
36
|
38
|
27
|
28
|
51
|
59
|
54
|
|
|
2025/03
|
40
|
38
|
22
|
21
|
32
|
54
|
67
|
63
|
54
|
45
|
40
|
37
|
37
|
35
|
18
|
48
|
35
|
46
|
48
|
50
|
47
|
52
|
56
|
63
|
58
|
68
|
68
|
64
|
63
|
65
|
55
|
|
2025/02
|
33
|
19
|
48
|
54
|
50
|
43
|
75
|
43
|
31
|
39
|
57
|
68
|
80
|
61
|
50
|
54
|
53
|
32
|
41
|
35
|
30
|
27
|
69
|
93
|
72
|
72
|
57
|
38
|
|||
|
2025/01
|
70
|
72
|
116
|
93
|
95
|
74
|
74
|
63
|
56
|
39
|
53
|
62
|
60
|
58
|
84
|
52
|
54
|
52
|
60
|
69
|
56
|
59
|
87
|
84
|
36
|
25
|
57
|
70
|
118
|
55
|
40
|
|
2024/12
|
47
|
50
|
74
|
83
|
40
|
59
|
61
|
73
|
57
|
52
|
34
|
91
|
100
|
61
|
55
|
55
|
54
|
91
|
44
|
57
|
84
|
63
|
61
|
69
|
79
|
84
|
105
|
85
|
59
|
77
|
79
|
|
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