Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
23
O3
0.3
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jul
53
Good
Wed
30 Jul
52
Good
Thu
31 Jul
51
Good
Fri
1 Aug
50
Excellent
Sat
2 Aug
50
Excellent
Sun
3 Aug
41
Excellent
Mon
4 Aug
31
Excellent
Air quality in the last 12 months (Dingyuan)
|
2025/06
|
28
|
15
|
45
|
60
|
51
|
38
|
20
|
28
|
28
|
41
|
41
|
44
|
49
|
34
|
31
|
47
|
48
|
23
|
9
|
8
|
9
|
20
|
31
|
31
|
29
|
34
|
18
|
13
|
12
|
17
|
|
|
2025/05
|
58
|
65
|
55
|
45
|
48
|
84
|
80
|
51
|
26
|
34
|
43
|
48
|
49
|
60
|
85
|
42
|
77
|
78
|
74
|
54
|
35
|
54
|
58
|
69
|
65
|
73
|
76
|
57
|
61
|
68
|
77
|
|
2025/04
|
54
|
60
|
48
|
63
|
77
|
70
|
65
|
75
|
78
|
90
|
74
|
184
|
94
|
66
|
52
|
58
|
70
|
70
|
80
|
51
|
57
|
80
|
72
|
81
|
61
|
52
|
50
|
64
|
53
|
55
|
|
|
2025/03
|
82
|
74
|
35
|
61
|
87
|
73
|
71
|
84
|
91
|
72
|
92
|
144
|
110
|
44
|
44
|
48
|
46
|
46
|
52
|
55
|
52
|
60
|
67
|
106
|
75
|
65
|
114
|
99
|
121
|
77
|
48
|
|
2025/02
|
74
|
68
|
100
|
79
|
52
|
46
|
76
|
35
|
44
|
59
|
73
|
108
|
62
|
85
|
108
|
92
|
59
|
57
|
74
|
54
|
50
|
80
|
87
|
63
|
77
|
112
|
87
|
78
|
|||
|
2025/01
|
102
|
128
|
115
|
111
|
126
|
76
|
51
|
70
|
46
|
53
|
71
|
69
|
90
|
119
|
67
|
68
|
82
|
91
|
126
|
136
|
109
|
160
|
81
|
50
|
30
|
78
|
51
|
80
|
129
|
73
|
113
|
|
2024/12
|
68
|
94
|
69
|
54
|
93
|
140
|
116
|
45
|
48
|
63
|
86
|
68
|
91
|
77
|
69
|
72
|
97
|
80
|
57
|
73
|
82
|
61
|
68
|
87
|
108
|
132
|
75
|
83
|
66
|
82
|
105
|
|
2024/11
|
47
|
80
|
72
|
73
|
56
|
53
|
43
|
39
|
47
|
41
|
50
|
59
|
76
|
85
|
84
|
48
|
34
|
34
|
25
|
33
|
50
|
75
|
38
|
40
|
33
|
45
|
70
|
62
|
51
|
60
|
|
|
2024/10
|
27
|
40
|
32
|
29
|
27
|
14
|
12
|
39
|
42
|
62
|
65
|
73
|
63
|
50
|
62
|
62
|
35
|
17
|
36
|
38
|
50
|
60
|
50
|
41
|
43
|
46
|
64
|
91
|
60
|
44
|
42
|
|
2024/09
|
44
|
39
|
28
|
33
|
44
|
45
|
39
|
36
|
25
|
32
|
22
|
11
|
21
|
40
|
32
|
30
|
10
|
25
|
24
|
21
|
25
|
32
|
35
|
40
|
46
|
41
|
30
|
36
|
42
|
45
|
|
|
2024/08
|
18
|
16
|
23
|
27
|
30
|
33
|
31
|
37
|
38
|
36
|
70
|
62
|
43
|
25
|
24
|
21
|
30
|
31
|
33
|
19
|
33
|
40
|
37
|
39
|
42
|
37
|
14
|
16
|
22
|
28
|
37
|
|
2024/07
|
16
|
19
|
26
|
19
|
24
|
23
|
26
|
23
|
22
|
36
|
36
|
29
|
17
|
17
|
21
|
41
|
34
|
20
|
27
|
20
|
22
|
25
|
33
|
33
|
25
|
24
|
13
|
12
|
15
|
19
|
20
|
|
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