Air Quality
Excellent
No health implications.
3
PM2.5
11
PM10
35
O3
0.2
CO
5
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Aug
52
Good
Mon
31 Aug
54
Good
Tue
1 Sep
58
Good
Wed
2 Sep
49
Excellent
Thu
3 Sep
53
Good
Fri
4 Sep
48
Excellent
Sat
5 Sep
37
Excellent
Air quality in the last 12 months (Tiefeng)
|
2026/07
|
41
|
36
|
28
|
28
|
35
|
30
|
28
|
19
|
20
|
39
|
54
|
32
|
27
|
31
|
26
|
29
|
29
|
26
|
29
|
39
|
32
|
30
|
42
|
32
|
28
|
27
|
28
|
32
|
25
|
22
|
29
|
|
2026/06
|
30
|
26
|
28
|
26
|
16
|
18
|
23
|
17
|
22
|
27
|
30
|
27
|
26
|
24
|
23
|
29
|
35
|
34
|
36
|
42
|
31
|
28
|
33
|
36
|
33
|
30
|
35
|
28
|
40
|
44
|
|
|
2026/05
|
29
|
29
|
29
|
38
|
41
|
28
|
30
|
34
|
40
|
68
|
56
|
61
|
64
|
110
|
30
|
28
|
24
|
32
|
44
|
45
|
49
|
46
|
33
|
41
|
28
|
28
|
31
|
27
|
26
|
32
|
62
|
|
2026/04
|
38
|
70
|
70
|
83
|
65
|
38
|
28
|
42
|
37
|
33
|
26
|
35
|
30
|
45
|
60
|
49
|
67
|
34
|
31
|
43
|
34
|
26
|
35
|
35
|
28
|
26
|
29
|
33
|
32
|
48
|
|
|
2026/03
|
36
|
41
|
61
|
44
|
25
|
33
|
41
|
52
|
48
|
38
|
40
|
48
|
95
|
31
|
40
|
36
|
116
|
43
|
48
|
94
|
137
|
65
|
147
|
120
|
112
|
59
|
57
|
60
|
67
|
33
|
77
|
|
2026/02
|
29
|
38
|
44
|
26
|
36
|
25
|
26
|
39
|
56
|
94
|
32
|
60
|
49
|
62
|
19
|
58
|
45
|
25
|
34
|
94
|
123
|
36
|
27
|
23
|
49
|
24
|
30
|
43
|
|||
|
2026/01
|
30
|
31
|
35
|
24
|
25
|
53
|
23
|
33
|
43
|
57
|
38
|
61
|
21
|
28
|
40
|
43
|
29
|
24
|
24
|
23
|
21
|
20
|
22
|
24
|
23
|
46
|
33
|
25
|
27
|
27
|
32
|
|
2025/12
|
23
|
24
|
25
|
44
|
41
|
52
|
40
|
34
|
34
|
29
|
27
|
41
|
47
|
53
|
59
|
40
|
55
|
94
|
108
|
43
|
30
|
61
|
66
|
29
|
26
|
27
|
47
|
51
|
23
|
20
|
27
|
|
2025/11
|
51
|
45
|
87
|
57
|
104
|
51
|
28
|
111
|
27
|
24
|
33
|
45
|
48
|
38
|
73
|
44
|
25
|
35
|
40
|
33
|
39
|
45
|
53
|
41
|
44
|
52
|
33
|
56
|
73
|
40
|
|
|
2025/10
|
38
|
38
|
56
|
25
|
26
|
29
|
36
|
26
|
39
|
37
|
43
|
25
|
33
|
32
|
27
|
39
|
30
|
22
|
19
|
21
|
28
|
26
|
43
|
51
|
50
|
30
|
30
|
35
|
128
|
51
|
71
|
|
2025/09
|
21
|
23
|
37
|
51
|
48
|
25
|
21
|
20
|
21
|
23
|
25
|
28
|
37
|
27
|
23
|
20
|
23
|
30
|
32
|
28
|
32
|
38
|
42
|
21
|
18
|
31
|
33
|
37
|
40
|
38
|
|
|
2025/08
|
23
|
23
|
18
|
23
|
25
|
21
|
20
|
26
|
16
|
17
|
19
|
21
|
25
|
24
|
28
|
18
|
23
|
22
|
26
|
24
|
25
|
18
|
23
|
21
|
27
|
22
|
25
|
25
|
27
|
23
|
28
|
|
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