Air Quality
Excellent
No health implications.
9
PM2.5
26
PM10
42
O3
0.2
CO
5
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Dec
68
Good
Tue
9 Dec
109
Light
Wed
10 Dec
131
Light
Thu
11 Dec
73
Good
Fri
12 Dec
56
Good
Sat
13 Dec
42
Excellent
Sun
14 Dec
50
Excellent
Air quality in the last 12 months (Dachang)
|
2025/11
|
45
|
15
|
52
|
87
|
184
|
137
|
68
|
63
|
32
|
60
|
100
|
70
|
22
|
69
|
87
|
34
|
19
|
25
|
43
|
29
|
52
|
75
|
106
|
63
|
34
|
75
|
30
|
81
|
106
|
99
|
|
|
2025/10
|
49
|
50
|
49
|
57
|
59
|
21
|
45
|
27
|
8
|
12
|
21
|
37
|
52
|
49
|
68
|
68
|
31
|
13
|
15
|
17
|
28
|
54
|
67
|
93
|
138
|
39
|
37
|
130
|
176
|
139
|
68
|
|
2025/09
|
27
|
49
|
51
|
63
|
57
|
26
|
36
|
29
|
53
|
37
|
59
|
70
|
55
|
33
|
28
|
25
|
17
|
26
|
35
|
41
|
57
|
38
|
44
|
61
|
51
|
54
|
61
|
41
|
41
|
45
|
|
|
2025/08
|
56
|
53
|
26
|
35
|
24
|
41
|
35
|
33
|
16
|
31
|
40
|
46
|
17
|
33
|
42
|
26
|
37
|
36
|
24
|
26
|
29
|
23
|
24
|
16
|
27
|
34
|
23
|
12
|
41
|
35
|
27
|
|
2025/07
|
41
|
35
|
25
|
39
|
32
|
12
|
37
|
38
|
45
|
38
|
49
|
49
|
20
|
37
|
44
|
28
|
18
|
40
|
45
|
24
|
30
|
48
|
34
|
23
|
36
|
44
|
40
|
25
|
8
|
17
|
44
|
|
2025/06
|
60
|
36
|
15
|
29
|
59
|
41
|
38
|
47
|
48
|
33
|
55
|
68
|
62
|
57
|
19
|
17
|
49
|
68
|
47
|
26
|
26
|
43
|
67
|
78
|
60
|
61
|
68
|
52
|
85
|
49
|
|
|
2025/05
|
37
|
47
|
26
|
53
|
55
|
19
|
75
|
90
|
29
|
37
|
65
|
82
|
76
|
25
|
43
|
78
|
44
|
50
|
68
|
101
|
72
|
66
|
50
|
34
|
57
|
61
|
53
|
62
|
65
|
76
|
71
|
|
2025/04
|
53
|
21
|
62
|
77
|
23
|
73
|
56
|
40
|
56
|
87
|
105
|
137
|
80
|
49
|
55
|
94
|
64
|
42
|
37
|
66
|
82
|
34
|
61
|
35
|
52
|
90
|
36
|
62
|
64
|
59
|
|
|
2025/03
|
221
|
64
|
32
|
54
|
87
|
22
|
71
|
116
|
166
|
133
|
186
|
73
|
92
|
72
|
47
|
20
|
28
|
28
|
44
|
35
|
36
|
53
|
113
|
87
|
59
|
84
|
52
|
35
|
25
|
47
|
67
|
|
2025/02
|
76
|
59
|
11
|
15
|
21
|
52
|
27
|
14
|
15
|
83
|
138
|
41
|
85
|
70
|
108
|
30
|
15
|
41
|
28
|
32
|
16
|
19
|
19
|
45
|
58
|
64
|
131
|
178
|
|||
|
2025/01
|
69
|
28
|
37
|
70
|
65
|
16
|
17
|
16
|
14
|
17
|
28
|
32
|
58
|
31
|
28
|
50
|
70
|
107
|
45
|
81
|
76
|
63
|
91
|
134
|
149
|
103
|
20
|
47
|
189
|
73
|
86
|
|
2024/12
|
68
|
14
|
41
|
36
|
30
|
25
|
17
|
22
|
43
|
46
|
48
|
72
|
31
|
33
|
43
|
38
|
19
|
17
|
56
|
50
|
18
|
22
|
36
|
82
|
86
|
25
|
21
|
41
|
81
|
70
|
47
|
|
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