Air Quality
Excellent
No health implications.
16
PM2.5
33
PM10
39
O3
0.1
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Oct
57
Good
Fri
16 Oct
52
Good
Sat
17 Oct
62
Good
Sun
18 Oct
64
Good
Mon
19 Oct
51
Good
Tue
20 Oct
48
Excellent
Wed
21 Oct
20
Excellent
Air quality in the last 12 months (Sifangtai)
|
2026/08
|
16
|
14
|
15
|
26
|
20
|
19
|
17
|
21
|
22
|
25
|
24
|
21
|
16
|
22
|
23
|
21
|
20
|
17
|
17
|
26
|
26
|
21
|
15
|
13
|
19
|
19
|
19
|
20
|
20
|
17
|
15
|
|
2026/07
|
36
|
35
|
28
|
18
|
20
|
21
|
21
|
16
|
22
|
22
|
22
|
21
|
29
|
22
|
24
|
24
|
26
|
33
|
41
|
38
|
36
|
28
|
29
|
21
|
13
|
13
|
13
|
20
|
20
|
17
|
18
|
|
2026/06
|
72
|
28
|
25
|
14
|
18
|
19
|
16
|
20
|
19
|
21
|
25
|
30
|
24
|
29
|
33
|
23
|
25
|
26
|
28
|
28
|
25
|
23
|
33
|
32
|
33
|
24
|
21
|
22
|
29
|
35
|
|
|
2026/05
|
30
|
34
|
35
|
42
|
68
|
31
|
32
|
38
|
39
|
43
|
49
|
85
|
106
|
47
|
40
|
36
|
26
|
23
|
52
|
43
|
42
|
38
|
41
|
30
|
41
|
27
|
28
|
22
|
33
|
28
|
40
|
|
2026/04
|
102
|
105
|
88
|
51
|
41
|
25
|
26
|
39
|
57
|
37
|
39
|
34
|
26
|
34
|
56
|
51
|
59
|
33
|
36
|
51
|
43
|
21
|
22
|
26
|
29
|
32
|
29
|
31
|
39
|
56
|
|
|
2026/03
|
32
|
43
|
45
|
50
|
53
|
49
|
35
|
47
|
34
|
42
|
44
|
48
|
37
|
58
|
33
|
47
|
50
|
84
|
61
|
50
|
142
|
115
|
66
|
111
|
93
|
104
|
103
|
174
|
129
|
33
|
83
|
|
2026/02
|
49
|
51
|
50
|
52
|
34
|
23
|
26
|
34
|
52
|
75
|
70
|
42
|
63
|
47
|
27
|
30
|
51
|
22
|
31
|
62
|
82
|
93
|
75
|
44
|
44
|
38
|
27
|
23
|
|||
|
2026/01
|
29
|
48
|
58
|
30
|
24
|
39
|
37
|
23
|
54
|
54
|
35
|
73
|
67
|
30
|
58
|
46
|
52
|
48
|
54
|
44
|
34
|
33
|
45
|
49
|
35
|
29
|
40
|
56
|
42
|
42
|
37
|
|
2025/12
|
34
|
40
|
30
|
27
|
29
|
48
|
69
|
55
|
46
|
33
|
24
|
34
|
54
|
95
|
75
|
31
|
33
|
66
|
76
|
37
|
30
|
46
|
58
|
49
|
52
|
27
|
46
|
51
|
44
|
27
|
33
|
|
2025/11
|
66
|
51
|
57
|
62
|
96
|
77
|
25
|
64
|
36
|
19
|
28
|
54
|
38
|
34
|
51
|
82
|
55
|
39
|
73
|
70
|
42
|
92
|
108
|
77
|
36
|
54
|
76
|
56
|
54
|
52
|
|
|
2025/10
|
25
|
23
|
42
|
38
|
24
|
37
|
29
|
21
|
27
|
41
|
33
|
29
|
50
|
61
|
38
|
43
|
41
|
15
|
18
|
21
|
25
|
40
|
43
|
129
|
119
|
134
|
138
|
35
|
79
|
90
|
51
|
|
2025/09
|
24
|
24
|
23
|
32
|
34
|
21
|
25
|
29
|
21
|
17
|
27
|
31
|
32
|
35
|
24
|
16
|
15
|
18
|
28
|
28
|
32
|
24
|
25
|
21
|
14
|
13
|
20
|
23
|
33
|
33
|
|
|
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