Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
142
*
PM2.5
216
PM10
70
O3
1.0
CO
7
SO2
41
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
21 Mar
102
Light
Sun
22 Mar
59
Good
Mon
23 Mar
49
Excellent
Tue
24 Mar
85
Good
Wed
25 Mar
91
Good
Thu
26 Mar
117
Light
Fri
27 Mar
34
Excellent
Dachang Air quality rank
Air quality in the last 12 months (Dachang)
|
2026/02
|
55
|
20
|
96
|
136
|
65
|
8
|
16
|
29
|
112
|
104
|
62
|
100
|
104
|
108
|
14
|
23
|
112
|
34
|
59
|
95
|
175
|
38
|
33
|
74
|
91
|
84
|
44
|
82
|
|||
|
2026/01
|
27
|
36
|
69
|
93
|
61
|
54
|
21
|
59
|
91
|
26
|
30
|
60
|
31
|
61
|
99
|
70
|
30
|
43
|
18
|
16
|
20
|
43
|
44
|
75
|
57
|
59
|
48
|
64
|
75
|
114
|
77
|
|
2025/12
|
34
|
19
|
31
|
39
|
56
|
98
|
64
|
31
|
66
|
102
|
76
|
41
|
37
|
51
|
104
|
89
|
107
|
198
|
172
|
17
|
30
|
70
|
62
|
24
|
23
|
64
|
75
|
160
|
36
|
28
|
20
|
|
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
|
|
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