Air Quality
Excellent
No health implications.
22
PM2.5
35
PM10
14
O3
0.8
CO
5
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jul
62
Good
Tue
8 Jul
52
Good
Wed
9 Jul
43
Excellent
Thu
10 Jul
37
Excellent
Fri
11 Jul
35
Excellent
Sat
12 Jul
36
Excellent
Sun
13 Jul
46
Excellent
Du'an Air quality rank
Air quality in the last 12 months (Du'an)
|
2025/05
|
31
|
49
|
48
|
33
|
35
|
26
|
33
|
48
|
23
|
31
|
24
|
41
|
48
|
39
|
23
|
18
|
25
|
19
|
21
|
26
|
26
|
27
|
19
|
32
|
39
|
31
|
45
|
42
|
13
|
29
|
35
|
|
2025/04
|
39
|
55
|
65
|
53
|
71
|
92
|
96
|
85
|
81
|
74
|
56
|
47
|
144
|
140
|
101
|
92
|
82
|
67
|
53
|
46
|
42
|
44
|
26
|
30
|
27
|
34
|
43
|
30
|
48
|
43
|
|
|
2025/03
|
46
|
46
|
64
|
49
|
26
|
17
|
32
|
42
|
58
|
43
|
49
|
41
|
33
|
37
|
16
|
22
|
48
|
28
|
35
|
52
|
60
|
71
|
72
|
78
|
88
|
68
|
64
|
75
|
28
|
14
|
25
|
|
2025/02
|
35
|
15
|
17
|
48
|
82
|
30
|
14
|
42
|
56
|
69
|
117
|
86
|
35
|
77
|
39
|
36
|
43
|
26
|
30
|
23
|
14
|
19
|
12
|
27
|
50
|
25
|
39
|
56
|
|||
|
2025/01
|
120
|
112
|
87
|
110
|
81
|
98
|
116
|
89
|
54
|
32
|
48
|
71
|
89
|
106
|
89
|
74
|
82
|
101
|
95
|
103
|
105
|
107
|
132
|
95
|
44
|
12
|
38
|
49
|
129
|
85
|
59
|
|
2024/12
|
81
|
91
|
87
|
86
|
68
|
35
|
16
|
28
|
55
|
74
|
32
|
30
|
40
|
51
|
44
|
57
|
88
|
74
|
66
|
84
|
96
|
93
|
95
|
95
|
100
|
89
|
80
|
58
|
90
|
129
|
108
|
|
2024/11
|
45
|
45
|
57
|
65
|
58
|
59
|
61
|
55
|
56
|
56
|
61
|
64
|
69
|
71
|
63
|
60
|
58
|
33
|
23
|
22
|
25
|
25
|
37
|
52
|
64
|
19
|
31
|
34
|
43
|
58
|
|
|
2024/10
|
17
|
22
|
37
|
51
|
55
|
54
|
54
|
48
|
39
|
44
|
50
|
57
|
66
|
39
|
18
|
33
|
34
|
29
|
28
|
24
|
40
|
40
|
25
|
34
|
33
|
35
|
30
|
29
|
37
|
46
|
50
|
|
2024/09
|
28
|
35
|
28
|
28
|
39
|
37
|
19
|
19
|
21
|
22
|
24
|
32
|
41
|
43
|
43
|
30
|
24
|
31
|
33
|
36
|
30
|
24
|
29
|
37
|
49
|
53
|
50
|
52
|
37
|
37
|
|
|
2024/08
|
17
|
20
|
21
|
25
|
30
|
33
|
35
|
31
|
30
|
32
|
20
|
22
|
19
|
25
|
28
|
31
|
25
|
24
|
31
|
27
|
27
|
23
|
24
|
26
|
26
|
30
|
31
|
37
|
34
|
34
|
36
|
|
2024/07
|
30
|
14
|
16
|
25
|
20
|
18
|
19
|
20
|
24
|
25
|
23
|
24
|
26
|
23
|
28
|
30
|
24
|
20
|
18
|
24
|
34
|
34
|
26
|
20
|
27
|
38
|
38
|
25
|
21
|
15
|
15
|
|
2024/06
|
34
|
41
|
28
|
18
|
20
|
29
|
33
|
29
|
16
|
14
|
25
|
30
|
32
|
20
|
30
|
29
|
30
|
16
|
29
|
27
|
30
|
26
|
25
|
17
|
12
|
12
|
20
|
18
|
20
|
22
|
|
|
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