Air Quality
Excellent
No health implications.
6
PM2.5
24
PM10
34
O3
0.7
CO
10
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
44
Excellent
Wed
16 Jul
42
Excellent
Thu
17 Jul
42
Excellent
Fri
18 Jul
43
Excellent
Sat
19 Jul
51
Good
Sun
20 Jul
48
Excellent
Mon
21 Jul
20
Excellent
Air quality in the last 12 months (Dongchang)
|
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
|
|
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
|
|
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