Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
28
O3
0.4
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Sep
43
Excellent
Tue
8 Sep
39
Excellent
Wed
9 Sep
38
Excellent
Thu
10 Sep
38
Excellent
Fri
11 Sep
53
Good
Sat
12 Sep
37
Excellent
Sun
13 Sep
46
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