Air Quality
Excellent
No health implications.
12
PM2.5
20
PM10
28
O3
0.7
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Jan
43
Excellent
Sun
1 Feb
52
Good
Mon
2 Feb
63
Good
Tue
3 Feb
70
Good
Wed
4 Feb
72
Good
Thu
5 Feb
39
Excellent
Fri
6 Feb
48
Excellent
Air quality in the last 12 months (Tongzi)
|
2025/12
|
112
|
128
|
70
|
55
|
59
|
77
|
62
|
62
|
76
|
70
|
71
|
82
|
38
|
44
|
55
|
78
|
68
|
85
|
91
|
61
|
66
|
50
|
33
|
43
|
46
|
50
|
63
|
86
|
89
|
75
|
33
|
|
2025/11
|
19
|
21
|
19
|
18
|
19
|
21
|
14
|
12
|
13
|
15
|
25
|
27
|
29
|
39
|
37
|
52
|
26
|
17
|
26
|
34
|
46
|
65
|
43
|
46
|
53
|
59
|
62
|
80
|
85
|
101
|
|
|
2025/10
|
27
|
25
|
29
|
24
|
24
|
23
|
26
|
21
|
18
|
23
|
28
|
34
|
16
|
21
|
18
|
18
|
21
|
11
|
11
|
11
|
10
|
14
|
18
|
27
|
36
|
29
|
21
|
27
|
31
|
25
|
26
|
|
2025/09
|
46
|
39
|
38
|
30
|
34
|
25
|
39
|
31
|
25
|
28
|
29
|
32
|
21
|
24
|
29
|
27
|
36
|
28
|
28
|
27
|
20
|
19
|
22
|
19
|
26
|
20
|
23
|
30
|
34
|
40
|
|
|
2025/08
|
29
|
32
|
34
|
32
|
41
|
29
|
33
|
27
|
27
|
27
|
17
|
20
|
27
|
26
|
20
|
19
|
23
|
26
|
20
|
19
|
24
|
18
|
23
|
26
|
24
|
26
|
25
|
25
|
43
|
46
|
41
|
|
2025/07
|
25
|
19
|
21
|
20
|
25
|
30
|
28
|
34
|
26
|
24
|
27
|
31
|
33
|
31
|
32
|
32
|
31
|
34
|
29
|
29
|
27
|
27
|
22
|
19
|
21
|
26
|
27
|
29
|
27
|
30
|
28
|
|
2025/06
|
18
|
19
|
24
|
27
|
27
|
39
|
42
|
41
|
29
|
29
|
37
|
33
|
34
|
33
|
32
|
29
|
27
|
23
|
18
|
22
|
27
|
19
|
23
|
22
|
20
|
21
|
23
|
22
|
23
|
26
|
|
|
2025/05
|
36
|
51
|
51
|
39
|
35
|
31
|
30
|
21
|
31
|
35
|
39
|
33
|
50
|
49
|
44
|
48
|
38
|
40
|
44
|
46
|
28
|
19
|
31
|
43
|
38
|
41
|
21
|
17
|
21
|
23
|
19
|
|
2025/04
|
47
|
56
|
54
|
63
|
68
|
70
|
62
|
73
|
70
|
67
|
64
|
111
|
196
|
94
|
79
|
68
|
53
|
57
|
30
|
22
|
39
|
32
|
35
|
25
|
37
|
36
|
26
|
31
|
32
|
17
|
|
|
2025/03
|
67
|
96
|
57
|
38
|
31
|
32
|
40
|
42
|
46
|
47
|
47
|
65
|
67
|
55
|
37
|
34
|
30
|
30
|
35
|
45
|
60
|
68
|
73
|
56
|
63
|
59
|
67
|
71
|
31
|
31
|
47
|
|
2025/02
|
57
|
45
|
41
|
43
|
53
|
39
|
35
|
52
|
50
|
61
|
65
|
84
|
48
|
31
|
42
|
51
|
50
|
46
|
44
|
38
|
43
|
31
|
41
|
43
|
44
|
54
|
56
|
65
|
|||
|
2025/01
|
102
|
116
|
112
|
111
|
107
|
109
|
73
|
52
|
37
|
45
|
53
|
54
|
71
|
86
|
69
|
76
|
82
|
77
|
69
|
98
|
111
|
118
|
124
|
75
|
40
|
38
|
49
|
65
|
173
|
102
|
72
|
|
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