Air Quality
Excellent
No health implications.
9
PM2.5
21
PM10
12
O3
0.3
CO
9
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Oct
30
Excellent
Sun
12 Oct
28
Excellent
Mon
13 Oct
40
Excellent
Tue
14 Oct
40
Excellent
Wed
15 Oct
34
Excellent
Thu
16 Oct
28
Excellent
Fri
17 Oct
24
Excellent
Dongchang Air quality rank
Air quality in the last 12 months (Dongchang)
|
2025/08
|
20
|
17
|
17
|
18
|
18
|
12
|
17
|
28
|
17
|
16
|
28
|
22
|
27
|
15
|
23
|
9
|
14
|
19
|
17
|
10
|
16
|
16
|
18
|
19
|
11
|
14
|
32
|
15
|
14
|
23
|
10
|
|
2025/07
|
11
|
10
|
10
|
10
|
17
|
13
|
29
|
25
|
28
|
29
|
29
|
23
|
18
|
16
|
14
|
9
|
11
|
11
|
16
|
11
|
10
|
15
|
12
|
16
|
15
|
16
|
21
|
18
|
17
|
12
|
23
|
|
2025/06
|
40
|
35
|
18
|
12
|
31
|
23
|
20
|
19
|
26
|
15
|
16
|
23
|
23
|
31
|
30
|
15
|
15
|
25
|
28
|
19
|
17
|
19
|
24
|
30
|
30
|
26
|
33
|
19
|
22
|
13
|
|
|
2025/05
|
15
|
22
|
21
|
22
|
29
|
27
|
30
|
40
|
52
|
24
|
31
|
40
|
45
|
34
|
15
|
23
|
18
|
21
|
23
|
41
|
41
|
58
|
34
|
32
|
29
|
29
|
30
|
26
|
37
|
37
|
38
|
|
2025/04
|
53
|
45
|
42
|
45
|
15
|
26
|
37
|
45
|
52
|
48
|
51
|
27
|
13
|
20
|
26
|
36
|
53
|
30
|
15
|
31
|
33
|
18
|
36
|
56
|
56
|
51
|
53
|
51
|
62
|
49
|
|
|
2025/03
|
66
|
26
|
19
|
22
|
36
|
51
|
43
|
45
|
47
|
49
|
38
|
62
|
45
|
33
|
35
|
33
|
55
|
45
|
39
|
40
|
53
|
74
|
98
|
69
|
82
|
81
|
33
|
25
|
25
|
23
|
37
|
|
2025/02
|
80
|
72
|
35
|
34
|
33
|
47
|
37
|
23
|
41
|
53
|
68
|
91
|
80
|
65
|
81
|
47
|
31
|
31
|
41
|
41
|
42
|
35
|
38
|
36
|
53
|
55
|
58
|
59
|
|||
|
2025/01
|
59
|
42
|
50
|
50
|
74
|
50
|
57
|
27
|
27
|
40
|
61
|
65
|
62
|
42
|
39
|
35
|
47
|
55
|
52
|
70
|
73
|
60
|
61
|
62
|
64
|
82
|
60
|
72
|
71
|
58
|
76
|
|
2024/12
|
54
|
17
|
38
|
33
|
34
|
32
|
41
|
53
|
60
|
69
|
55
|
48
|
57
|
53
|
31
|
33
|
37
|
36
|
51
|
66
|
36
|
45
|
64
|
63
|
67
|
42
|
43
|
53
|
47
|
41
|
41
|
|
2024/11
|
65
|
93
|
46
|
17
|
25
|
20
|
34
|
46
|
45
|
32
|
43
|
26
|
38
|
45
|
29
|
29
|
22
|
25
|
25
|
41
|
48
|
31
|
34
|
50
|
53
|
28
|
19
|
32
|
24
|
34
|
|
|
2024/10
|
11
|
15
|
30
|
29
|
28
|
49
|
21
|
35
|
32
|
33
|
31
|
46
|
44
|
29
|
14
|
30
|
56
|
51
|
19
|
26
|
23
|
28
|
20
|
37
|
42
|
54
|
42
|
28
|
47
|
37
|
51
|
|
2024/09
|
19
|
11
|
18
|
18
|
13
|
24
|
30
|
20
|
28
|
20
|
17
|
22
|
19
|
16
|
14
|
23
|
20
|
28
|
32
|
15
|
8
|
22
|
21
|
26
|
29
|
16
|
37
|
29
|
25
|
30
|
|
|
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