Air Quality
Excellent
No health implications.
11
PM2.5
14
PM10
14
O3
0.8
CO
7
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Nov
58
Good
Sat
16 Nov
64
Good
Sun
17 Nov
73
Good
Mon
18 Nov
54
Good
Tue
19 Nov
53
Good
Wed
20 Nov
53
Good
Thu
21 Nov
53
Good
Air quality in the last 12 months (Duchang)
|
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
|
||
|
2024/01
|
89
|
84
|
58
|
52
|
49
|
61
|
100
|
97
|
82
|
78
|
69
|
64
|
48
|
60
|
151
|
63
|
77
|
43
|
17
|
21
|
55
|
55
|
30
|
35
|
50
|
55
|
61
|
60
|
54
|
44
|
37
|
|
2023/12
|
46
|
41
|
53
|
57
|
62
|
64
|
58
|
49
|
33
|
47
|
19
|
23
|
37
|
38
|
20
|
35
|
34
|
25
|
37
|
54
|
77
|
37
|
33
|
60
|
58
|
53
|
57
|
99
|
134
|
164
|
109
|
|
2023/11
|
48
|
46
|
53
|
71
|
77
|
28
|
31
|
28
|
19
|
28
|
29
|
21
|
62
|
50
|
50
|
60
|
94
|
72
|
57
|
49
|
43
|
46
|
65
|
64
|
57
|
68
|
62
|
52
|
63
|
62
|
|
|
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