Air Quality
Excellent
No health implications.
10
PM2.5
15
PM10
46
O3
0.7
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Feb
52
Good
Mon
9 Feb
52
Good
Tue
10 Feb
59
Good
Wed
11 Feb
67
Good
Thu
12 Feb
71
Good
Fri
13 Feb
73
Good
Sat
14 Feb
32
Excellent
Tiandong Air quality rank
Air quality in the last 12 months (Tiandong)
|
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
|
|
|
2025/08
|
21
|
27
|
43
|
36
|
38
|
31
|
25
|
35
|
34
|
31
|
30
|
43
|
43
|
34
|
18
|
18
|
25
|
19
|
11
|
21
|
26
|
32
|
34
|
34
|
25
|
24
|
29
|
28
|
39
|
28
|
34
|
|
2025/07
|
22
|
17
|
26
|
31
|
39
|
42
|
40
|
33
|
38
|
22
|
22
|
26
|
29
|
25
|
34
|
37
|
34
|
50
|
38
|
32
|
23
|
15
|
13
|
15
|
25
|
32
|
29
|
35
|
47
|
40
|
30
|
|
2025/06
|
41
|
32
|
25
|
30
|
47
|
45
|
41
|
36
|
29
|
29
|
42
|
30
|
28
|
35
|
32
|
31
|
30
|
31
|
29
|
24
|
19
|
26
|
30
|
30
|
30
|
30
|
31
|
28
|
25
|
22
|
|
|
2025/05
|
36
|
51
|
56
|
45
|
42
|
28
|
39
|
56
|
32
|
32
|
25
|
46
|
51
|
47
|
35
|
27
|
35
|
28
|
31
|
34
|
36
|
33
|
20
|
37
|
43
|
33
|
46
|
49
|
18
|
32
|
41
|
|
2025/04
|
44
|
60
|
68
|
59
|
67
|
103
|
106
|
86
|
61
|
54
|
61
|
52
|
170
|
150
|
101
|
90
|
83
|
70
|
59
|
54
|
49
|
51
|
29
|
38
|
33
|
44
|
50
|
30
|
50
|
51
|
|
|
2025/03
|
48
|
49
|
61
|
68
|
30
|
23
|
38
|
43
|
66
|
55
|
65
|
40
|
42
|
43
|
23
|
21
|
45
|
29
|
37
|
53
|
71
|
81
|
84
|
97
|
105
|
91
|
74
|
89
|
39
|
21
|
30
|
|
2025/02
|
52
|
24
|
23
|
46
|
72
|
39
|
20
|
33
|
55
|
73
|
112
|
90
|
26
|
78
|
44
|
35
|
51
|
27
|
32
|
34
|
15
|
25
|
14
|
23
|
42
|
26
|
52
|
55
|
|||
|
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