Air Quality
Excellent
No health implications.
10
PM2.5
11
PM10
61
O3
0.3
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
64
Good
Sun
22 Jun
48
Excellent
Mon
23 Jun
63
Good
Tue
24 Jun
100
Good
Wed
25 Jun
96
Good
Thu
26 Jun
103
Light
Fri
27 Jun
45
Excellent
Air quality in the last 12 months (Sifangtai)
|
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
|
|
2024/11
|
62
|
45
|
62
|
31
|
65
|
18
|
39
|
43
|
65
|
43
|
73
|
45
|
107
|
112
|
72
|
53
|
16
|
20
|
48
|
53
|
93
|
35
|
41
|
62
|
54
|
24
|
19
|
28
|
43
|
19
|
|
|
2024/10
|
33
|
36
|
43
|
42
|
45
|
36
|
50
|
53
|
62
|
46
|
38
|
36
|
40
|
46
|
23
|
22
|
42
|
41
|
23
|
34
|
35
|
30
|
37
|
34
|
57
|
39
|
33
|
51
|
57
|
59
|
58
|
|
2024/09
|
11
|
16
|
21
|
29
|
15
|
19
|
21
|
24
|
25
|
19
|
18
|
22
|
16
|
25
|
19
|
18
|
19
|
19
|
21
|
12
|
33
|
36
|
37
|
38
|
26
|
19
|
36
|
45
|
37
|
37
|
|
|
2024/08
|
18
|
20
|
16
|
23
|
20
|
18
|
25
|
31
|
35
|
30
|
16
|
22
|
18
|
18
|
23
|
23
|
36
|
24
|
12
|
19
|
24
|
14
|
25
|
19
|
22
|
23
|
20
|
27
|
28
|
24
|
15
|
|
2024/07
|
71
|
65
|
59
|
43
|
43
|
57
|
64
|
76
|
68
|
44
|
56
|
24
|
28
|
44
|
42
|
36
|
20
|
14
|
24
|
34
|
27
|
24
|
34
|
19
|
33
|
23
|
14
|
20
|
26
|
18
|
24
|
|
2024/06
|
12
|
18
|
17
|
19
|
24
|
22
|
28
|
23
|
20
|
19
|
19
|
15
|
20
|
14
|
14
|
13
|
16
|
17
|
17
|
22
|
23
|
16
|
13
|
13
|
15
|
19
|
24
|
36
|
44
|
54
|
|
|
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