Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
139
O3
0.3
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
84
Good
Tue
22 Jul
98
Good
Wed
23 Jul
90
Good
Thu
24 Jul
87
Good
Fri
25 Jul
77
Good
Sat
26 Jul
74
Good
Sun
27 Jul
18
Excellent
Air quality in the last 12 months (Siziwang)
|
2025/06
|
30
|
17
|
16
|
24
|
30
|
21
|
16
|
18
|
23
|
25
|
39
|
43
|
29
|
15
|
12
|
17
|
33
|
31
|
14
|
19
|
19
|
22
|
35
|
37
|
42
|
46
|
36
|
31
|
41
|
35
|
|
|
2025/05
|
34
|
15
|
15
|
46
|
73
|
33
|
63
|
55
|
38
|
40
|
37
|
49
|
35
|
30
|
47
|
111
|
31
|
39
|
39
|
56
|
28
|
16
|
43
|
34
|
39
|
26
|
35
|
51
|
57
|
42
|
13
|
|
2025/04
|
18
|
24
|
81
|
36
|
34
|
64
|
32
|
40
|
45
|
44
|
117
|
25
|
22
|
25
|
55
|
124
|
32
|
25
|
39
|
56
|
35
|
48
|
41
|
29
|
40
|
45
|
13
|
29
|
48
|
25
|
|
|
2025/03
|
60
|
16
|
34
|
67
|
27
|
23
|
41
|
62
|
78
|
126
|
191
|
91
|
52
|
41
|
24
|
25
|
24
|
23
|
27
|
32
|
49
|
68
|
163
|
140
|
53
|
144
|
52
|
24
|
13
|
23
|
32
|
|
2025/02
|
79
|
18
|
15
|
24
|
43
|
64
|
16
|
25
|
41
|
60
|
53
|
55
|
91
|
67
|
78
|
20
|
33
|
12
|
13
|
19
|
22
|
15
|
23
|
53
|
48
|
61
|
76
|
55
|
|||
|
2025/01
|
69
|
21
|
43
|
56
|
44
|
26
|
34
|
12
|
25
|
43
|
45
|
36
|
62
|
14
|
40
|
63
|
62
|
72
|
65
|
74
|
45
|
47
|
67
|
45
|
88
|
95
|
18
|
64
|
242
|
261
|
93
|
|
2024/12
|
44
|
22
|
42
|
25
|
32
|
13
|
15
|
34
|
44
|
36
|
34
|
52
|
47
|
48
|
62
|
57
|
16
|
21
|
58
|
28
|
24
|
42
|
47
|
65
|
41
|
20
|
30
|
71
|
127
|
95
|
54
|
|
2024/11
|
83
|
81
|
26
|
19
|
39
|
51
|
65
|
74
|
85
|
27
|
58
|
54
|
60
|
84
|
74
|
51
|
38
|
50
|
62
|
84
|
75
|
50
|
74
|
58
|
18
|
21
|
30
|
25
|
37
|
45
|
|
|
2024/10
|
15
|
25
|
38
|
57
|
54
|
25
|
29
|
44
|
44
|
33
|
55
|
59
|
42
|
47
|
19
|
68
|
86
|
20
|
20
|
31
|
33
|
33
|
49
|
54
|
58
|
14
|
26
|
50
|
36
|
45
|
48
|
|
2024/09
|
11
|
20
|
36
|
18
|
12
|
16
|
21
|
33
|
30
|
15
|
20
|
35
|
24
|
11
|
23
|
17
|
30
|
70
|
49
|
10
|
10
|
22
|
49
|
46
|
18
|
41
|
60
|
56
|
25
|
16
|
|
|
2024/08
|
18
|
41
|
30
|
33
|
28
|
25
|
35
|
29
|
30
|
56
|
10
|
13
|
16
|
24
|
42
|
47
|
27
|
37
|
21
|
20
|
14
|
15
|
22
|
29
|
21
|
14
|
20
|
31
|
38
|
39
|
35
|
|
2024/07
|
19
|
25
|
25
|
18
|
33
|
32
|
40
|
43
|
39
|
43
|
49
|
33
|
25
|
41
|
43
|
12
|
21
|
23
|
44
|
38
|
91
|
74
|
35
|
42
|
37
|
25
|
17
|
12
|
34
|
26
|
23
|
|
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