Air Quality
Excellent
No health implications.
6
PM2.5
10
PM10
41
O3
0.6
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Mar
43
Excellent
Wed
5 Mar
68
Good
Thu
6 Mar
68
Good
Fri
7 Mar
81
Good
Sat
8 Mar
79
Good
Sun
9 Mar
37
Excellent
Mon
10 Mar
33
Excellent
Air quality in the last 12 months (Duchang)
|
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
|
|
2024/11
|
36
|
48
|
43
|
71
|
62
|
48
|
41
|
39
|
42
|
40
|
41
|
46
|
43
|
36
|
19
|
38
|
26
|
20
|
30
|
36
|
36
|
46
|
68
|
54
|
40
|
38
|
43
|
56
|
53
|
45
|
|
|
2024/10
|
35
|
53
|
39
|
33
|
36
|
32
|
18
|
27
|
47
|
58
|
56
|
59
|
73
|
72
|
42
|
20
|
24
|
41
|
31
|
25
|
38
|
30
|
47
|
34
|
47
|
36
|
15
|
51
|
67
|
50
|
40
|
|
2024/09
|
37
|
44
|
42
|
43
|
40
|
29
|
30
|
40
|
37
|
34
|
26
|
10
|
23
|
34
|
30
|
21
|
26
|
27
|
26
|
17
|
28
|
38
|
32
|
31
|
45
|
48
|
53
|
17
|
31
|
35
|
|
|
2024/08
|
14
|
19
|
27
|
28
|
36
|
27
|
34
|
35
|
36
|
36
|
33
|
58
|
41
|
18
|
22
|
30
|
40
|
26
|
11
|
21
|
23
|
28
|
33
|
31
|
35
|
42
|
36
|
14
|
20
|
32
|
35
|
|
2024/07
|
16
|
15
|
18
|
16
|
23
|
22
|
19
|
20
|
25
|
27
|
27
|
28
|
25
|
25
|
27
|
24
|
18
|
17
|
16
|
16
|
25
|
26
|
30
|
33
|
28
|
16
|
8
|
9
|
16
|
18
|
20
|
|
2024/06
|
14
|
29
|
20
|
30
|
22
|
26
|
31
|
27
|
28
|
21
|
21
|
23
|
21
|
19
|
18
|
19
|
19
|
11
|
15
|
27
|
24
|
24
|
13
|
11
|
10
|
10
|
12
|
15
|
18
|
16
|
|
|
2024/05
|
17
|
28
|
28
|
14
|
14
|
26
|
37
|
42
|
48
|
52
|
38
|
79
|
74
|
53
|
57
|
52
|
56
|
54
|
53
|
33
|
13
|
19
|
29
|
35
|
26
|
25
|
18
|
19
|
24
|
27
|
12
|
|
2024/04
|
19
|
12
|
22
|
33
|
43
|
42
|
37
|
33
|
27
|
39
|
39
|
20
|
21
|
24
|
34
|
36
|
18
|
21
|
17
|
20
|
31
|
27
|
42
|
88
|
45
|
31
|
30
|
29
|
29
|
15
|
|
|
2024/03
|
49
|
49
|
35
|
25
|
21
|
55
|
72
|
67
|
66
|
61
|
63
|
64
|
69
|
61
|
57
|
42
|
36
|
40
|
63
|
80
|
60
|
58
|
31
|
36
|
23
|
28
|
38
|
34
|
47
|
40
|
19
|
|
2024/02
|
19
|
16
|
13
|
18
|
54
|
39
|
63
|
73
|
94
|
115
|
84
|
54
|
34
|
36
|
33
|
22
|
27
|
32
|
38
|
28
|
14
|
19
|
30
|
35
|
50
|
71
|
67
|
47
|
56
|
||
|
1
|
2
|
3
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4
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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