Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
49
O3
0.3
CO
5
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Sep
39
Excellent
Wed
9 Sep
38
Excellent
Thu
10 Sep
41
Excellent
Fri
11 Sep
56
Good
Sat
12 Sep
41
Excellent
Sun
13 Sep
46
Excellent
Mon
14 Sep
43
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