Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
99
*
PM2.5
125
PM10
99
O3
0.6
CO
10
SO2
20
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
15 Mar
57
Good
Mon
16 Mar
128
Light
Tue
17 Mar
64
Good
Wed
18 Mar
57
Good
Thu
19 Mar
58
Good
Fri
20 Mar
56
Good
Sat
21 Mar
47
Excellent
Air quality in the last 12 months (Dongchang)
|
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
|
|
|
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
|
|
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