Air Quality
Excellent
No health implications.
12
PM2.5
18
PM10
45
O3
0.6
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
41
Excellent
Fri
25 Apr
45
Excellent
Sat
26 Apr
52
Good
Sun
27 Apr
52
Good
Mon
28 Apr
48
Excellent
Tue
29 Apr
27
Excellent
Wed
30 Apr
48
Excellent
Air quality in the last 12 months (Tiandong)
|
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
|
|
|
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
|
|
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