Air Quality
Excellent
No health implications.
3
PM2.5
17
PM10
18
O3
0.8
CO
8
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 May
51
Good
Sat
30 May
55
Good
Sun
31 May
104
Light
Mon
1 Jun
95
Good
Tue
2 Jun
86
Good
Wed
3 Jun
28
Excellent
Thu
4 Jun
40
Excellent
Air quality in the last 12 months (Dongchang)
|
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
|
|
|
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
|
|
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