Air Quality
Excellent
No health implications.
6
PM2.5
22
PM10
21
O3
0.4
CO
10
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Oct
49
Excellent
Fri
23 Oct
53
Good
Sat
24 Oct
63
Good
Sun
25 Oct
55
Good
Mon
26 Oct
62
Good
Tue
27 Oct
34
Excellent
Wed
28 Oct
37
Excellent
Air quality in the last 12 months (Dongchang)
|
2026/08
|
29
|
26
|
28
|
28
|
25
|
33
|
36
|
20
|
25
|
22
|
23
|
27
|
17
|
19
|
22
|
19
|
21
|
19
|
26
|
25
|
26
|
29
|
18
|
21
|
23
|
25
|
31
|
31
|
21
|
23
|
32
|
|
2026/07
|
31
|
27
|
29
|
30
|
30
|
27
|
23
|
15
|
26
|
25
|
12
|
17
|
14
|
15
|
21
|
28
|
29
|
28
|
20
|
24
|
39
|
30
|
31
|
25
|
20
|
22
|
24
|
25
|
25
|
23
|
25
|
|
2026/06
|
47
|
41
|
39
|
28
|
19
|
26
|
17
|
21
|
30
|
21
|
21
|
27
|
42
|
48
|
41
|
34
|
29
|
28
|
29
|
28
|
24
|
31
|
28
|
27
|
25
|
41
|
33
|
31
|
30
|
32
|
|
|
2026/05
|
41
|
34
|
27
|
27
|
38
|
36
|
24
|
25
|
49
|
39
|
38
|
40
|
40
|
39
|
43
|
39
|
33
|
31
|
25
|
26
|
28
|
26
|
33
|
30
|
35
|
39
|
22
|
30
|
35
|
35
|
57
|
|
2026/04
|
64
|
80
|
59
|
30
|
37
|
42
|
32
|
39
|
38
|
42
|
39
|
49
|
90
|
235
|
137
|
55
|
41
|
40
|
63
|
76
|
64
|
46
|
39
|
50
|
50
|
32
|
40
|
29
|
34
|
36
|
|
|
2026/03
|
43
|
55
|
72
|
58
|
42
|
34
|
42
|
43
|
67
|
59
|
56
|
62
|
49
|
92
|
296
|
100
|
67
|
46
|
40
|
44
|
54
|
59
|
91
|
61
|
70
|
70
|
50
|
71
|
51
|
36
|
41
|
|
2026/02
|
69
|
75
|
69
|
84
|
105
|
57
|
48
|
56
|
59
|
66
|
92
|
70
|
108
|
111
|
48
|
92
|
257
|
37
|
47
|
55
|
73
|
92
|
43
|
45
|
58
|
57
|
47
|
55
|
|||
|
2026/01
|
68
|
57
|
69
|
68
|
59
|
53
|
49
|
48
|
45
|
42
|
35
|
43
|
25
|
57
|
57
|
46
|
48
|
49
|
39
|
67
|
64
|
62
|
58
|
52
|
67
|
59
|
63
|
64
|
63
|
65
|
69
|
|
2025/12
|
44
|
30
|
26
|
41
|
38
|
38
|
59
|
28
|
45
|
76
|
34
|
84
|
65
|
39
|
66
|
55
|
52
|
45
|
21
|
29
|
33
|
44
|
30
|
34
|
28
|
44
|
69
|
72
|
37
|
37
|
51
|
|
2025/11
|
43
|
19
|
31
|
43
|
58
|
50
|
67
|
57
|
30
|
25
|
44
|
48
|
38
|
50
|
55
|
41
|
40
|
38
|
48
|
54
|
42
|
44
|
60
|
107
|
257
|
147
|
39
|
46
|
42
|
49
|
|
|
2025/10
|
39
|
41
|
42
|
32
|
31
|
18
|
22
|
24
|
22
|
26
|
15
|
37
|
34
|
54
|
47
|
54
|
34
|
17
|
21
|
30
|
36
|
44
|
52
|
54
|
50
|
42
|
44
|
49
|
39
|
30
|
39
|
|
2025/09
|
14
|
47
|
29
|
27
|
24
|
18
|
21
|
30
|
27
|
30
|
33
|
39
|
49
|
28
|
24
|
30
|
23
|
31
|
22
|
22
|
48
|
35
|
32
|
12
|
22
|
39
|
38
|
26
|
44
|
40
|
|
|
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