Air Quality
Excellent
No health implications.
21
PM2.5
41
PM10
60
O3
0.6
CO
13
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
86
Good
Sat
31 Jan
61
Good
Sun
1 Feb
56
Good
Mon
2 Feb
68
Good
Tue
3 Feb
76
Good
Wed
4 Feb
71
Good
Thu
5 Feb
17
Excellent
Siziwang Air quality rank
Air quality in the last 12 months (Siziwang)
|
2025/12
|
24
|
23
|
44
|
29
|
53
|
79
|
33
|
36
|
61
|
56
|
24
|
44
|
49
|
72
|
104
|
92
|
71
|
75
|
46
|
20
|
40
|
61
|
36
|
32
|
30
|
52
|
59
|
55
|
37
|
20
|
32
|
|
2025/11
|
32
|
27
|
54
|
63
|
56
|
52
|
47
|
55
|
56
|
44
|
60
|
44
|
43
|
64
|
72
|
16
|
17
|
36
|
54
|
52
|
68
|
74
|
107
|
32
|
49
|
88
|
50
|
107
|
137
|
70
|
|
|
2025/10
|
58
|
56
|
52
|
56
|
58
|
52
|
33
|
26
|
22
|
34
|
33
|
41
|
64
|
59
|
28
|
36
|
11
|
20
|
17
|
18
|
37
|
43
|
36
|
63
|
21
|
12
|
37
|
56
|
55
|
22
|
23
|
|
2025/09
|
27
|
48
|
45
|
48
|
37
|
41
|
15
|
40
|
60
|
55
|
40
|
26
|
38
|
33
|
30
|
11
|
13
|
25
|
40
|
47
|
36
|
32
|
43
|
43
|
46
|
49
|
49
|
27
|
43
|
53
|
|
|
2025/08
|
33
|
30
|
26
|
32
|
34
|
23
|
22
|
20
|
21
|
28
|
43
|
29
|
22
|
43
|
31
|
25
|
37
|
24
|
20
|
28
|
38
|
39
|
37
|
37
|
22
|
27
|
19
|
33
|
39
|
41
|
42
|
|
2025/07
|
34
|
27
|
36
|
38
|
10
|
16
|
24
|
28
|
24
|
23
|
21
|
34
|
16
|
36
|
24
|
10
|
24
|
34
|
23
|
10
|
17
|
32
|
30
|
21
|
18
|
18
|
19
|
30
|
21
|
17
|
35
|
|
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
|
|
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