Air Quality
Excellent
No health implications.
15
PM2.5
31
PM10
48
O3
0.4
CO
20
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
76
Good
Tue
5 May
78
Good
Wed
6 May
86
Good
Thu
7 May
73
Good
Fri
8 May
76
Good
Sat
9 May
78
Good
Sun
10 May
34
Excellent
Air quality in the last 12 months (Dingbian)
|
2026/03
|
43
|
37
|
75
|
71
|
66
|
44
|
55
|
62
|
48
|
50
|
44
|
222
|
475
|
58
|
67
|
73
|
83
|
87
|
68
|
96
|
104
|
89
|
66
|
75
|
76
|
64
|
68
|
49
|
48
|
52
|
53
|
|
2026/02
|
76
|
50
|
68
|
70
|
58
|
55
|
40
|
52
|
89
|
112
|
86
|
77
|
64
|
78
|
35
|
36
|
70
|
48
|
59
|
103
|
349
|
406
|
138
|
86
|
100
|
79
|
75
|
68
|
|||
|
2026/01
|
53
|
50
|
45
|
46
|
27
|
34
|
53
|
52
|
102
|
61
|
50
|
80
|
68
|
231
|
78
|
64
|
82
|
68
|
29
|
35
|
50
|
68
|
86
|
64
|
348
|
139
|
112
|
113
|
84
|
86
|
101
|
|
2025/12
|
63
|
41
|
45
|
56
|
56
|
50
|
54
|
56
|
62
|
73
|
63
|
82
|
117
|
71
|
72
|
69
|
58
|
66
|
58
|
59
|
48
|
69
|
114
|
70
|
44
|
57
|
55
|
49
|
48
|
39
|
31
|
|
2025/11
|
52
|
52
|
56
|
46
|
43
|
53
|
49
|
84
|
100
|
81
|
61
|
54
|
56
|
58
|
72
|
61
|
25
|
32
|
45
|
57
|
58
|
59
|
87
|
125
|
63
|
246
|
107
|
88
|
85
|
84
|
|
|
2025/10
|
45
|
22
|
27
|
56
|
42
|
36
|
44
|
16
|
22
|
21
|
27
|
40
|
39
|
31
|
27
|
35
|
37
|
41
|
32
|
37
|
31
|
25
|
37
|
23
|
39
|
39
|
53
|
57
|
47
|
56
|
50
|
|
2025/09
|
28
|
59
|
47
|
28
|
75
|
55
|
54
|
54
|
44
|
34
|
27
|
34
|
47
|
58
|
57
|
42
|
23
|
19
|
16
|
19
|
16
|
13
|
25
|
39
|
32
|
35
|
48
|
52
|
52
|
54
|
|
|
2025/08
|
39
|
37
|
37
|
39
|
47
|
50
|
41
|
23
|
31
|
34
|
50
|
41
|
44
|
32
|
38
|
27
|
23
|
23
|
25
|
55
|
31
|
40
|
15
|
25
|
23
|
27
|
21
|
25
|
20
|
20
|
26
|
|
2025/07
|
25
|
22
|
46
|
65
|
23
|
30
|
23
|
44
|
23
|
37
|
33
|
40
|
45
|
47
|
56
|
30
|
35
|
34
|
44
|
23
|
26
|
28
|
29
|
17
|
24
|
30
|
24
|
32
|
29
|
25
|
44
|
|
2025/06
|
41
|
45
|
27
|
28
|
25
|
48
|
59
|
40
|
54
|
37
|
50
|
64
|
52
|
56
|
54
|
52
|
46
|
48
|
37
|
30
|
37
|
42
|
38
|
39
|
35
|
24
|
25
|
33
|
39
|
26
|
|
|
2025/05
|
93
|
121
|
42
|
98
|
323
|
163
|
97
|
109
|
68
|
43
|
44
|
61
|
81
|
68
|
58
|
177
|
159
|
66
|
60
|
64
|
77
|
186
|
46
|
55
|
41
|
33
|
47
|
62
|
46
|
77
|
39
|
|
2025/04
|
56
|
57
|
122
|
106
|
61
|
104
|
85
|
113
|
93
|
70
|
291
|
172
|
108
|
44
|
77
|
214
|
111
|
85
|
97
|
98
|
196
|
106
|
65
|
52
|
61
|
64
|
47
|
39
|
88
|
188
|
|
|
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