Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
14
O3
0.7
CO
7
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Jul
49
Excellent
Sat
5 Jul
55
Good
Sun
6 Jul
62
Good
Mon
7 Jul
57
Good
Tue
8 Jul
54
Good
Wed
9 Jul
58
Good
Thu
10 Jul
34
Excellent
Air quality in the last 12 months (Dongchang)
|
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
|
|
2025/02
|
80
|
72
|
35
|
34
|
33
|
47
|
37
|
23
|
41
|
53
|
68
|
91
|
80
|
65
|
81
|
47
|
31
|
31
|
41
|
41
|
42
|
35
|
38
|
36
|
53
|
55
|
58
|
59
|
|||
|
2025/01
|
59
|
42
|
50
|
50
|
74
|
50
|
57
|
27
|
27
|
40
|
61
|
65
|
62
|
42
|
39
|
35
|
47
|
55
|
52
|
70
|
73
|
60
|
61
|
62
|
64
|
82
|
60
|
72
|
71
|
58
|
76
|
|
2024/12
|
54
|
17
|
38
|
33
|
34
|
32
|
41
|
53
|
60
|
69
|
55
|
48
|
57
|
53
|
31
|
33
|
37
|
36
|
51
|
66
|
36
|
45
|
64
|
63
|
67
|
42
|
43
|
53
|
47
|
41
|
41
|
|
2024/11
|
65
|
93
|
46
|
17
|
25
|
20
|
34
|
46
|
45
|
32
|
43
|
26
|
38
|
45
|
29
|
29
|
22
|
25
|
25
|
41
|
48
|
31
|
34
|
50
|
53
|
28
|
19
|
32
|
24
|
34
|
|
|
2024/10
|
11
|
15
|
30
|
29
|
28
|
49
|
21
|
35
|
32
|
33
|
31
|
46
|
44
|
29
|
14
|
30
|
56
|
51
|
19
|
26
|
23
|
28
|
20
|
37
|
42
|
54
|
42
|
28
|
47
|
37
|
51
|
|
2024/09
|
19
|
11
|
18
|
18
|
13
|
24
|
30
|
20
|
28
|
20
|
17
|
22
|
19
|
16
|
14
|
23
|
20
|
28
|
32
|
15
|
8
|
22
|
21
|
26
|
29
|
16
|
37
|
29
|
25
|
30
|
|
|
2024/08
|
12
|
13
|
16
|
22
|
17
|
16
|
14
|
21
|
35
|
30
|
26
|
19
|
23
|
27
|
30
|
25
|
29
|
30
|
24
|
23
|
20
|
13
|
15
|
31
|
36
|
27
|
29
|
24
|
22
|
24
|
27
|
|
2024/07
|
22
|
30
|
12
|
25
|
25
|
17
|
14
|
26
|
51
|
51
|
58
|
53
|
56
|
55
|
52
|
27
|
10
|
16
|
30
|
21
|
15
|
17
|
13
|
11
|
11
|
8
|
8
|
8
|
11
|
19
|
18
|
|
2024/06
|
15
|
14
|
29
|
26
|
24
|
19
|
20
|
17
|
16
|
25
|
29
|
19
|
23
|
13
|
14
|
20
|
28
|
33
|
43
|
23
|
27
|
21
|
15
|
14
|
12
|
23
|
27
|
28
|
19
|
23
|
|
|
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