Air Quality
Excellent
No health implications.
18
PM2.5
31
PM10
47
O3
0.8
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Mar
64
Good
Mon
23 Mar
63
Good
Tue
24 Mar
86
Good
Wed
25 Mar
83
Good
Thu
26 Mar
56
Good
Fri
27 Mar
60
Good
Sat
28 Mar
26
Excellent
Air quality in the last 12 months (Dingcheng)
|
2026/02
|
61
|
73
|
101
|
128
|
139
|
166
|
94
|
82
|
73
|
61
|
54
|
83
|
82
|
73
|
90
|
27
|
57
|
75
|
67
|
46
|
43
|
71
|
69
|
64
|
44
|
27
|
33
|
50
|
|||
|
2026/01
|
50
|
80
|
91
|
64
|
71
|
73
|
63
|
75
|
69
|
86
|
109
|
111
|
77
|
102
|
131
|
153
|
167
|
193
|
37
|
61
|
53
|
65
|
80
|
95
|
84
|
139
|
169
|
120
|
72
|
62
|
66
|
|
2025/12
|
108
|
128
|
75
|
60
|
57
|
63
|
116
|
114
|
124
|
168
|
180
|
168
|
36
|
51
|
57
|
71
|
115
|
106
|
75
|
94
|
38
|
96
|
40
|
57
|
65
|
75
|
91
|
87
|
134
|
164
|
119
|
|
2025/11
|
44
|
35
|
56
|
30
|
53
|
48
|
27
|
16
|
25
|
38
|
55
|
51
|
58
|
69
|
70
|
76
|
51
|
29
|
30
|
38
|
52
|
62
|
62
|
42
|
69
|
60
|
80
|
66
|
54
|
100
|
|
|
2025/10
|
51
|
47
|
21
|
27
|
53
|
74
|
60
|
59
|
70
|
74
|
68
|
58
|
20
|
25
|
49
|
18
|
17
|
11
|
16
|
10
|
20
|
40
|
46
|
53
|
77
|
47
|
53
|
50
|
72
|
57
|
53
|
|
2025/09
|
22
|
20
|
30
|
44
|
48
|
31
|
41
|
50
|
22
|
23
|
23
|
25
|
21
|
22
|
33
|
39
|
51
|
17
|
11
|
17
|
34
|
27
|
14
|
14
|
20
|
19
|
22
|
33
|
25
|
34
|
|
|
2025/08
|
43
|
44
|
45
|
45
|
30
|
31
|
18
|
16
|
23
|
23
|
17
|
16
|
9
|
19
|
15
|
22
|
29
|
35
|
25
|
19
|
15
|
15
|
21
|
24
|
20
|
25
|
27
|
37
|
44
|
32
|
20
|
|
2025/07
|
19
|
14
|
16
|
18
|
23
|
43
|
45
|
40
|
36
|
25
|
47
|
41
|
33
|
33
|
28
|
22
|
36
|
26
|
34
|
32
|
25
|
11
|
12
|
15
|
21
|
33
|
25
|
25
|
27
|
30
|
26
|
|
2025/06
|
8
|
37
|
36
|
44
|
48
|
42
|
31
|
27
|
29
|
33
|
27
|
28
|
28
|
24
|
30
|
38
|
27
|
24
|
16
|
13
|
13
|
15
|
15
|
21
|
29
|
11
|
29
|
15
|
17
|
22
|
|
|
2025/05
|
47
|
65
|
70
|
57
|
53
|
88
|
122
|
31
|
40
|
45
|
38
|
52
|
59
|
93
|
53
|
30
|
48
|
72
|
53
|
39
|
25
|
14
|
42
|
67
|
63
|
44
|
56
|
31
|
33
|
35
|
32
|
|
2025/04
|
54
|
59
|
64
|
66
|
68
|
75
|
71
|
74
|
63
|
53
|
61
|
291
|
192
|
145
|
108
|
87
|
69
|
76
|
40
|
64
|
51
|
52
|
64
|
51
|
59
|
58
|
44
|
62
|
61
|
27
|
|
|
2025/03
|
98
|
87
|
19
|
44
|
51
|
64
|
74
|
59
|
56
|
49
|
45
|
66
|
69
|
44
|
39
|
61
|
58
|
41
|
51
|
52
|
52
|
52
|
55
|
51
|
58
|
73
|
111
|
72
|
67
|
48
|
53
|
|
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