Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
24
O3
0.6
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Nov
32
Excellent
Tue
10 Nov
34
Excellent
Wed
11 Nov
64
Good
Thu
12 Nov
67
Good
Fri
13 Nov
52
Good
Sat
14 Nov
38
Excellent
Sun
15 Nov
31
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