Air Quality
Excellent
No health implications.
22
PM2.5
33
PM10
62
O3
0.4
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
88
Good
Mon
12 May
92
Good
Tue
13 May
98
Good
Wed
14 May
81
Good
Thu
15 May
94
Good
Fri
16 May
90
Good
Sat
17 May
33
Excellent
Air quality in the last 12 months (Dingyuan)
|
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
|
|
2024/06
|
50
|
41
|
53
|
55
|
52
|
30
|
32
|
48
|
54
|
33
|
28
|
45
|
51
|
59
|
53
|
50
|
38
|
45
|
33
|
40
|
27
|
23
|
33
|
45
|
59
|
55
|
36
|
15
|
9
|
15
|
|
|
2024/05
|
41
|
35
|
44
|
49
|
43
|
41
|
54
|
47
|
44
|
52
|
63
|
137
|
90
|
63
|
63
|
40
|
56
|
64
|
48
|
50
|
43
|
38
|
50
|
58
|
49
|
54
|
28
|
35
|
45
|
39
|
43
|
|
2024/04
|
76
|
43
|
52
|
50
|
49
|
48
|
62
|
35
|
50
|
67
|
56
|
72
|
53
|
51
|
41
|
71
|
91
|
66
|
54
|
47
|
49
|
49
|
70
|
73
|
61
|
62
|
55
|
34
|
29
|
51
|
|
|
2024/03
|
48
|
56
|
61
|
72
|
38
|
65
|
80
|
76
|
63
|
101
|
79
|
88
|
74
|
75
|
104
|
115
|
142
|
57
|
87
|
102
|
76
|
61
|
71
|
46
|
36
|
55
|
73
|
60
|
56
|
59
|
92
|
|
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