Air Quality
Excellent
No health implications.
6
PM2.5
14
PM10
55
O3
0.6
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Feb
38
Excellent
Sun
9 Feb
52
Good
Mon
10 Feb
73
Good
Tue
11 Feb
63
Good
Wed
12 Feb
57
Good
Thu
13 Feb
45
Excellent
Fri
14 Feb
27
Excellent
Air quality in the last 12 months (Tiandong)
|
2025/01
|
103
|
114
|
102
|
110
|
75
|
92
|
115
|
109
|
55
|
27
|
47
|
58
|
78
|
90
|
94
|
82
|
90
|
109
|
98
|
116
|
102
|
81
|
97
|
73
|
57
|
13
|
39
|
53
|
108
|
70
|
71
|
|
2024/12
|
83
|
88
|
76
|
69
|
60
|
41
|
22
|
25
|
52
|
78
|
32
|
26
|
41
|
47
|
50
|
63
|
88
|
84
|
69
|
80
|
94
|
94
|
104
|
111
|
113
|
88
|
76
|
57
|
79
|
117
|
98
|
|
2024/11
|
45
|
50
|
59
|
59
|
56
|
58
|
63
|
61
|
61
|
59
|
63
|
68
|
71
|
76
|
75
|
69
|
71
|
53
|
38
|
27
|
35
|
34
|
46
|
58
|
65
|
21
|
28
|
30
|
41
|
58
|
|
|
2024/10
|
12
|
19
|
38
|
52
|
61
|
61
|
55
|
52
|
46
|
50
|
58
|
64
|
67
|
52
|
19
|
36
|
40
|
40
|
41
|
34
|
49
|
50
|
28
|
39
|
37
|
39
|
38
|
35
|
40
|
48
|
42
|
|
2024/09
|
34
|
43
|
27
|
33
|
38
|
38
|
20
|
18
|
19
|
18
|
22
|
27
|
37
|
42
|
50
|
36
|
28
|
33
|
36
|
37
|
37
|
27
|
35
|
45
|
51
|
59
|
60
|
58
|
42
|
36
|
|
|
2024/08
|
18
|
24
|
23
|
26
|
35
|
41
|
45
|
38
|
38
|
44
|
18
|
25
|
26
|
38
|
31
|
30
|
28
|
25
|
35
|
36
|
42
|
31
|
28
|
27
|
27
|
37
|
39
|
42
|
43
|
46
|
42
|
|
2024/07
|
43
|
21
|
21
|
30
|
25
|
24
|
28
|
28
|
33
|
30
|
28
|
31
|
33
|
27
|
34
|
36
|
30
|
25
|
20
|
28
|
36
|
36
|
33
|
21
|
26
|
35
|
48
|
31
|
27
|
20
|
17
|
|
2024/06
|
37
|
48
|
29
|
22
|
24
|
28
|
31
|
25
|
17
|
17
|
35
|
40
|
36
|
28
|
36
|
34
|
37
|
23
|
38
|
31
|
36
|
34
|
32
|
21
|
13
|
15
|
22
|
23
|
27
|
29
|
|
|
2024/05
|
23
|
24
|
30
|
39
|
31
|
34
|
45
|
38
|
23
|
30
|
41
|
25
|
42
|
55
|
46
|
40
|
54
|
52
|
21
|
33
|
39
|
30
|
45
|
53
|
53
|
28
|
32
|
23
|
38
|
26
|
27
|
|
2024/04
|
75
|
76
|
95
|
74
|
28
|
37
|
25
|
25
|
43
|
54
|
58
|
59
|
57
|
68
|
65
|
52
|
55
|
39
|
59
|
47
|
26
|
34
|
28
|
47
|
64
|
47
|
73
|
56
|
83
|
79
|
|
|
2024/03
|
33
|
60
|
90
|
78
|
68
|
45
|
58
|
68
|
61
|
29
|
31
|
52
|
37
|
26
|
25
|
57
|
65
|
56
|
22
|
63
|
74
|
64
|
47
|
56
|
57
|
55
|
72
|
49
|
45
|
68
|
78
|
|
2024/02
|
50
|
54
|
54
|
57
|
28
|
21
|
17
|
26
|
35
|
119
|
61
|
63
|
65
|
63
|
63
|
34
|
58
|
48
|
57
|
57
|
64
|
63
|
21
|
22
|
28
|
21
|
32
|
20
|
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