Air Quality
Excellent
No health implications.
16
PM2.5
25
PM10
71
O3
0.3
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
84
Good
Thu
19 Mar
56
Good
Fri
20 Mar
55
Good
Sat
21 Mar
58
Good
Sun
22 Mar
61
Good
Mon
23 Mar
60
Good
Tue
24 Mar
18
Excellent
Air quality in the last 12 months (Sifangtai)
|
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
|
|
|
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
|
|
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