Air Quality
Excellent
No health implications.
12
PM2.5
30
PM10
12
O3
0.9
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Feb
98
Good
Thu
12 Feb
104
Light
Fri
13 Feb
103
Light
Sat
14 Feb
98
Good
Sun
15 Feb
124
Light
Mon
16 Feb
143
Light
Tue
17 Feb
28
Excellent
Air quality in the last 12 months (Dingcheng)
|
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
|
|
2025/02
|
69
|
70
|
63
|
64
|
73
|
60
|
94
|
65
|
52
|
60
|
74
|
83
|
89
|
65
|
47
|
58
|
46
|
36
|
63
|
107
|
119
|
83
|
100
|
108
|
93
|
57
|
37
|
66
|
|||
|
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