Air Quality
Excellent
No health implications.
25
PM2.5
33
PM10
7
O3
0.8
CO
14
SO2
35
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Oct
63
Good
Sun
25 Oct
57
Good
Mon
26 Oct
60
Good
Tue
27 Oct
49
Excellent
Wed
28 Oct
56
Good
Thu
29 Oct
31
Excellent
Fri
30 Oct
41
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