Air Quality
Excellent
No health implications.
17
PM2.5
32
PM10
90
O3
0.4
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jul
63
Good
Tue
15 Jul
67
Good
Wed
16 Jul
67
Good
Thu
17 Jul
60
Good
Fri
18 Jul
57
Good
Sat
19 Jul
61
Good
Sun
20 Jul
37
Excellent
Air quality in the last 12 months (Dangchang)
|
2025/06
|
40
|
43
|
40
|
39
|
42
|
45
|
42
|
46
|
32
|
38
|
41
|
40
|
36
|
44
|
53
|
46
|
48
|
37
|
34
|
43
|
38
|
25
|
29
|
27
|
29
|
33
|
27
|
36
|
37
|
27
|
|
|
2025/05
|
51
|
66
|
94
|
87
|
44
|
72
|
58
|
56
|
57
|
50
|
46
|
59
|
55
|
55
|
41
|
50
|
65
|
45
|
61
|
49
|
50
|
78
|
65
|
47
|
35
|
49
|
33
|
30
|
33
|
62
|
61
|
|
2025/04
|
81
|
87
|
77
|
83
|
86
|
60
|
45
|
74
|
80
|
67
|
65
|
396
|
150
|
74
|
64
|
85
|
64
|
153
|
120
|
73
|
80
|
83
|
52
|
52
|
53
|
37
|
47
|
54
|
50
|
65
|
|
|
2025/03
|
52
|
58
|
54
|
48
|
46
|
49
|
64
|
61
|
45
|
40
|
99
|
101
|
84
|
40
|
51
|
48
|
51
|
47
|
51
|
55
|
51
|
50
|
55
|
42
|
45
|
181
|
140
|
80
|
84
|
76
|
70
|
|
2025/02
|
46
|
52
|
47
|
42
|
48
|
45
|
51
|
56
|
50
|
46
|
61
|
74
|
61
|
60
|
55
|
50
|
46
|
38
|
53
|
45
|
42
|
37
|
44
|
40
|
46
|
44
|
45
|
46
|
|||
|
2025/01
|
74
|
72
|
64
|
68
|
67
|
62
|
57
|
63
|
59
|
56
|
56
|
59
|
55
|
64
|
60
|
52
|
56
|
64
|
70
|
72
|
65
|
68
|
69
|
63
|
64
|
62
|
63
|
78
|
112
|
64
|
55
|
|
2024/12
|
67
|
69
|
69
|
55
|
52
|
54
|
50
|
38
|
32
|
45
|
53
|
47
|
47
|
55
|
63
|
61
|
65
|
54
|
50
|
56
|
60
|
55
|
56
|
62
|
63
|
60
|
63
|
68
|
63
|
60
|
60
|
|
2024/11
|
39
|
39
|
49
|
47
|
44
|
37
|
33
|
34
|
42
|
39
|
45
|
45
|
49
|
39
|
41
|
38
|
40
|
28
|
35
|
45
|
44
|
42
|
35
|
32
|
39
|
49
|
56
|
59
|
60
|
65
|
|
|
2024/10
|
29
|
34
|
34
|
30
|
36
|
44
|
40
|
37
|
38
|
36
|
34
|
28
|
30
|
29
|
30
|
34
|
28
|
43
|
33
|
28
|
42
|
44
|
49
|
38
|
43
|
33
|
44
|
45
|
45
|
35
|
37
|
|
2024/09
|
40
|
37
|
36
|
27
|
22
|
29
|
30
|
35
|
30
|
25
|
26
|
30
|
26
|
33
|
34
|
30
|
31
|
31
|
29
|
32
|
27
|
36
|
41
|
38
|
35
|
33
|
43
|
46
|
30
|
27
|
|
|
2024/08
|
33
|
39
|
29
|
26
|
32
|
32
|
31
|
29
|
56
|
53
|
44
|
39
|
34
|
36
|
28
|
30
|
36
|
33
|
39
|
34
|
39
|
42
|
43
|
39
|
36
|
36
|
35
|
35
|
33
|
30
|
40
|
|
2024/07
|
28
|
31
|
29
|
26
|
34
|
47
|
27
|
24
|
33
|
40
|
37
|
41
|
30
|
28
|
22
|
24
|
27
|
27
|
24
|
21
|
73
|
33
|
25
|
67
|
63
|
58
|
49
|
40
|
31
|
31
|
32
|
|
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