Air Quality
Excellent
No health implications.
4
PM2.5
7
PM10
51
O3
0.5
CO
2
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
55
Good
Mon
18 May
55
Good
Tue
19 May
53
Good
Wed
20 May
56
Good
Thu
21 May
68
Good
Fri
22 May
64
Good
Sat
23 May
36
Excellent
Air quality in the last 12 months (Dingxing)
|
2026/04
|
75
|
99
|
113
|
67
|
60
|
39
|
43
|
89
|
59
|
52
|
69
|
88
|
92
|
90
|
113
|
92
|
76
|
102
|
76
|
84
|
75
|
63
|
63
|
66
|
65
|
68
|
48
|
42
|
38
|
58
|
|
|
2026/03
|
83
|
121
|
133
|
117
|
72
|
58
|
81
|
116
|
47
|
112
|
85
|
103
|
147
|
89
|
68
|
66
|
164
|
54
|
61
|
82
|
92
|
77
|
120
|
170
|
154
|
200
|
70
|
86
|
92
|
45
|
61
|
|
2026/02
|
159
|
70
|
121
|
143
|
90
|
31
|
53
|
63
|
115
|
141
|
83
|
104
|
128
|
133
|
38
|
71
|
147
|
50
|
105
|
113
|
244
|
50
|
41
|
72
|
88
|
92
|
49
|
68
|
|||
|
2026/01
|
59
|
82
|
130
|
130
|
108
|
136
|
50
|
81
|
103
|
34
|
35
|
72
|
63
|
71
|
137
|
89
|
39
|
43
|
25
|
43
|
56
|
70
|
89
|
154
|
79
|
95
|
107
|
69
|
81
|
109
|
137
|
|
2025/12
|
46
|
32
|
55
|
53
|
76
|
123
|
72
|
37
|
73
|
110
|
95
|
39
|
56
|
71
|
105
|
81
|
142
|
171
|
221
|
76
|
46
|
80
|
80
|
50
|
28
|
70
|
88
|
144
|
99
|
54
|
26
|
|
2025/11
|
63
|
31
|
63
|
100
|
184
|
185
|
55
|
72
|
61
|
70
|
115
|
172
|
73
|
80
|
110
|
60
|
27
|
44
|
65
|
63
|
69
|
80
|
109
|
105
|
39
|
101
|
38
|
83
|
112
|
131
|
|
|
2025/10
|
68
|
48
|
61
|
68
|
50
|
29
|
53
|
31
|
9
|
13
|
20
|
41
|
47
|
49
|
72
|
66
|
40
|
15
|
23
|
24
|
38
|
53
|
78
|
111
|
148
|
54
|
55
|
132
|
159
|
190
|
101
|
|
2025/09
|
48
|
51
|
48
|
52
|
53
|
41
|
56
|
45
|
57
|
54
|
64
|
55
|
60
|
54
|
47
|
33
|
28
|
32
|
32
|
49
|
62
|
34
|
53
|
59
|
64
|
61
|
49
|
58
|
55
|
70
|
|
|
2025/08
|
46
|
54
|
48
|
35
|
38
|
56
|
39
|
32
|
23
|
39
|
44
|
48
|
27
|
48
|
46
|
26
|
37
|
39
|
27
|
23
|
35
|
33
|
27
|
22
|
29
|
37
|
27
|
24
|
39
|
29
|
38
|
|
2025/07
|
32
|
40
|
24
|
36
|
25
|
28
|
41
|
31
|
48
|
30
|
55
|
53
|
27
|
46
|
48
|
40
|
33
|
44
|
59
|
31
|
27
|
43
|
36
|
29
|
26
|
46
|
47
|
34
|
17
|
25
|
36
|
|
2025/06
|
75
|
58
|
27
|
41
|
64
|
59
|
56
|
60
|
69
|
44
|
67
|
87
|
77
|
41
|
25
|
27
|
64
|
79
|
43
|
40
|
40
|
50
|
71
|
60
|
72
|
70
|
62
|
62
|
53
|
52
|
|
|
2025/05
|
47
|
65
|
40
|
57
|
57
|
43
|
75
|
94
|
33
|
41
|
61
|
74
|
76
|
45
|
51
|
69
|
77
|
63
|
74
|
98
|
77
|
65
|
62
|
44
|
58
|
69
|
73
|
74
|
74
|
70
|
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