Air Quality
Excellent
No health implications.
19
PM2.5
32
PM10
12
O3
0.7
CO
8
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
43
Excellent
Sun
15 Jun
68
Good
Mon
16 Jun
52
Good
Tue
17 Jun
49
Excellent
Wed
18 Jun
49
Excellent
Thu
19 Jun
42
Excellent
Fri
20 Jun
29
Excellent
Air quality in the last 12 months (Tiandong)
|
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
|
|||
|
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
|
|
|
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