Air Quality
Excellent
No health implications.
6
PM2.5
14
PM10
45
O3
0.4
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Sep
48
Excellent
Sun
6 Sep
50
Excellent
Mon
7 Sep
56
Good
Tue
8 Sep
55
Good
Wed
9 Sep
50
Excellent
Thu
10 Sep
67
Good
Fri
11 Sep
26
Excellent
Air quality in the last 12 months (Tiandong)
|
2026/08
|
24
|
30
|
30
|
22
|
21
|
20
|
31
|
31
|
34
|
36
|
34
|
34
|
35
|
28
|
25
|
29
|
32
|
25
|
29
|
27
|
29
|
30
|
26
|
29
|
26
|
17
|
18
|
28
|
23
|
27
|
30
|
|
2026/07
|
22
|
29
|
28
|
18
|
14
|
24
|
20
|
20
|
33
|
24
|
29
|
37
|
38
|
43
|
43
|
25
|
34
|
37
|
19
|
28
|
34
|
39
|
33
|
34
|
42
|
36
|
46
|
30
|
32
|
22
|
20
|
|
2026/06
|
49
|
47
|
41
|
31
|
29
|
38
|
34
|
26
|
22
|
28
|
42
|
50
|
38
|
27
|
30
|
29
|
27
|
29
|
27
|
25
|
30
|
33
|
36
|
33
|
22
|
23
|
27
|
35
|
26
|
21
|
|
|
2026/05
|
45
|
50
|
25
|
29
|
42
|
46
|
42
|
32
|
30
|
37
|
44
|
62
|
50
|
45
|
48
|
29
|
20
|
23
|
26
|
25
|
21
|
29
|
39
|
38
|
33
|
41
|
44
|
37
|
27
|
27
|
41
|
|
2026/04
|
33
|
63
|
71
|
36
|
74
|
115
|
96
|
88
|
71
|
74
|
67
|
81
|
99
|
111
|
94
|
86
|
39
|
36
|
49
|
51
|
51
|
41
|
24
|
27
|
44
|
60
|
58
|
29
|
22
|
30
|
|
|
2026/03
|
47
|
44
|
18
|
29
|
57
|
62
|
68
|
60
|
29
|
23
|
34
|
52
|
70
|
74
|
68
|
56
|
50
|
50
|
54
|
40
|
38
|
78
|
70
|
52
|
51
|
60
|
62
|
65
|
61
|
58
|
48
|
|
2026/02
|
35
|
48
|
70
|
105
|
91
|
65
|
47
|
19
|
30
|
45
|
26
|
41
|
37
|
53
|
52
|
48
|
42
|
35
|
34
|
40
|
69
|
77
|
56
|
53
|
54
|
46
|
40
|
50
|
|||
|
2026/01
|
35
|
18
|
43
|
63
|
21
|
35
|
46
|
63
|
75
|
84
|
86
|
100
|
87
|
116
|
92
|
97
|
93
|
87
|
69
|
50
|
17
|
23
|
47
|
65
|
77
|
63
|
39
|
41
|
68
|
51
|
26
|
|
2025/12
|
72
|
70
|
62
|
69
|
61
|
63
|
77
|
52
|
64
|
90
|
88
|
79
|
38
|
45
|
54
|
66
|
65
|
56
|
75
|
62
|
45
|
57
|
53
|
19
|
26
|
52
|
60
|
72
|
84
|
87
|
70
|
|
2025/11
|
21
|
20
|
17
|
11
|
23
|
31
|
48
|
37
|
19
|
16
|
18
|
22
|
33
|
42
|
50
|
45
|
51
|
17
|
18
|
28
|
36
|
43
|
48
|
56
|
49
|
49
|
51
|
55
|
60
|
67
|
|
|
2025/10
|
32
|
32
|
36
|
31
|
40
|
17
|
20
|
31
|
35
|
45
|
45
|
45
|
46
|
28
|
21
|
28
|
38
|
53
|
35
|
16
|
13
|
12
|
22
|
37
|
39
|
29
|
28
|
38
|
53
|
56
|
26
|
|
2025/09
|
33
|
34
|
32
|
30
|
33
|
36
|
41
|
43
|
23
|
32
|
28
|
23
|
25
|
33
|
30
|
29
|
23
|
25
|
35
|
42
|
39
|
29
|
22
|
19
|
12
|
15
|
27
|
28
|
24
|
20
|
|
|
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