Air Quality
Excellent
No health implications.
17
PM2.5
13
PM10
45
O3
0.4
CO
12
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jan
68
Good
Fri
16 Jan
57
Good
Sat
17 Jan
63
Good
Sun
18 Jan
91
Good
Mon
19 Jan
62
Good
Tue
20 Jan
56
Good
Wed
21 Jan
43
Excellent
Sifangtai Air quality rank
Air quality in the last 12 months (Sifangtai)
|
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
|
|
|
2025/08
|
27
|
31
|
25
|
26
|
25
|
25
|
26
|
21
|
22
|
11
|
25
|
32
|
29
|
16
|
16
|
13
|
15
|
23
|
18
|
17
|
24
|
18
|
13
|
20
|
18
|
14
|
19
|
22
|
15
|
15
|
22
|
|
2025/07
|
29
|
23
|
30
|
24
|
30
|
19
|
24
|
31
|
30
|
22
|
28
|
30
|
26
|
24
|
24
|
31
|
25
|
26
|
32
|
30
|
19
|
26
|
34
|
31
|
30
|
22
|
25
|
23
|
32
|
17
|
25
|
|
2025/06
|
46
|
30
|
19
|
15
|
17
|
18
|
17
|
20
|
24
|
18
|
16
|
23
|
27
|
32
|
27
|
28
|
19
|
22
|
39
|
24
|
15
|
17
|
29
|
39
|
46
|
45
|
44
|
48
|
33
|
25
|
|
|
2025/05
|
44
|
45
|
25
|
15
|
22
|
31
|
39
|
35
|
28
|
33
|
44
|
68
|
43
|
38
|
31
|
31
|
34
|
22
|
27
|
32
|
21
|
33
|
23
|
19
|
20
|
28
|
30
|
42
|
51
|
46
|
50
|
|
2025/04
|
58
|
60
|
72
|
58
|
60
|
47
|
55
|
62
|
65
|
108
|
127
|
81
|
64
|
37
|
45
|
33
|
87
|
75
|
39
|
41
|
74
|
40
|
57
|
42
|
36
|
16
|
27
|
32
|
34
|
35
|
|
|
2025/03
|
16
|
19
|
23
|
39
|
43
|
40
|
29
|
52
|
60
|
67
|
70
|
52
|
20
|
17
|
20
|
27
|
45
|
26
|
42
|
105
|
53
|
13
|
19
|
37
|
39
|
34
|
22
|
21
|
26
|
15
|
44
|
|
2025/02
|
68
|
100
|
84
|
54
|
22
|
29
|
56
|
51
|
31
|
46
|
62
|
79
|
35
|
28
|
49
|
32
|
14
|
37
|
72
|
44
|
33
|
26
|
34
|
40
|
54
|
23
|
53
|
60
|
|||
|
2025/01
|
89
|
59
|
63
|
84
|
76
|
57
|
87
|
86
|
62
|
61
|
79
|
105
|
90
|
103
|
47
|
54
|
68
|
130
|
127
|
108
|
137
|
189
|
143
|
136
|
116
|
139
|
120
|
61
|
68
|
55
|
56
|
|
2024/12
|
35
|
21
|
21
|
19
|
18
|
18
|
23
|
37
|
49
|
65
|
31
|
35
|
29
|
42
|
30
|
21
|
20
|
33
|
36
|
53
|
73
|
57
|
50
|
36
|
44
|
21
|
20
|
33
|
32
|
66
|
85
|
|
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