Air Quality
Excellent
No health implications.
16
PM2.5
23
PM10
46
O3
0.7
CO
3
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
40
Excellent
Thu
17 Jul
45
Excellent
Fri
18 Jul
47
Excellent
Sat
19 Jul
61
Good
Sun
20 Jul
44
Excellent
Mon
21 Jul
42
Excellent
Tue
22 Jul
16
Excellent
Tiedong Air quality rank
Air quality in the last 12 months (Tiedong)
|
2025/06
|
25
|
46
|
25
|
15
|
32
|
28
|
25
|
41
|
32
|
15
|
19
|
31
|
36
|
29
|
37
|
21
|
35
|
33
|
31
|
19
|
18
|
27
|
35
|
43
|
43
|
43
|
42
|
30
|
40
|
15
|
|
|
2025/05
|
22
|
30
|
24
|
28
|
37
|
27
|
46
|
50
|
37
|
37
|
44
|
61
|
55
|
61
|
52
|
36
|
27
|
33
|
36
|
35
|
40
|
43
|
31
|
37
|
32
|
41
|
45
|
52
|
48
|
57
|
58
|
|
2025/04
|
97
|
91
|
91
|
69
|
39
|
36
|
54
|
61
|
83
|
81
|
71
|
37
|
13
|
25
|
40
|
38
|
49
|
31
|
36
|
55
|
70
|
32
|
44
|
83
|
87
|
114
|
52
|
53
|
73
|
53
|
|
|
2025/03
|
91
|
33
|
44
|
46
|
78
|
69
|
58
|
82
|
100
|
105
|
65
|
152
|
34
|
45
|
60
|
60
|
79
|
73
|
88
|
105
|
91
|
256
|
145
|
96
|
152
|
133
|
53
|
35
|
37
|
47
|
80
|
|
2025/02
|
125
|
141
|
65
|
73
|
68
|
67
|
55
|
43
|
65
|
64
|
69
|
75
|
71
|
83
|
90
|
50
|
38
|
42
|
49
|
56
|
55
|
55
|
53
|
59
|
127
|
59
|
86
|
123
|
|||
|
2025/01
|
44
|
37
|
47
|
66
|
85
|
109
|
54
|
48
|
64
|
77
|
80
|
87
|
90
|
63
|
51
|
55
|
64
|
80
|
79
|
60
|
67
|
89
|
81
|
87
|
78
|
87
|
133
|
58
|
96
|
79
|
87
|
|
2024/12
|
33
|
27
|
40
|
32
|
39
|
37
|
43
|
54
|
61
|
67
|
52
|
54
|
74
|
50
|
40
|
41
|
52
|
57
|
50
|
63
|
77
|
57
|
64
|
46
|
71
|
42
|
42
|
52
|
47
|
67
|
47
|
|
2024/11
|
59
|
85
|
122
|
34
|
32
|
34
|
42
|
62
|
54
|
47
|
57
|
48
|
53
|
36
|
36
|
39
|
35
|
37
|
38
|
66
|
79
|
85
|
141
|
57
|
52
|
29
|
34
|
45
|
42
|
51
|
|
|
2024/10
|
27
|
25
|
24
|
41
|
51
|
45
|
34
|
43
|
42
|
23
|
38
|
38
|
61
|
55
|
23
|
32
|
62
|
47
|
28
|
35
|
32
|
35
|
34
|
55
|
82
|
71
|
28
|
40
|
63
|
76
|
78
|
|
2024/09
|
19
|
23
|
26
|
30
|
19
|
26
|
27
|
37
|
34
|
22
|
33
|
23
|
34
|
17
|
22
|
28
|
44
|
31
|
32
|
16
|
25
|
35
|
32
|
35
|
27
|
32
|
36
|
40
|
40
|
20
|
|
|
2024/08
|
16
|
16
|
20
|
27
|
17
|
25
|
36
|
30
|
33
|
27
|
25
|
22
|
19
|
26
|
29
|
27
|
30
|
36
|
25
|
21
|
16
|
14
|
26
|
30
|
27
|
26
|
22
|
23
|
30
|
40
|
25
|
|
2024/07
|
86
|
46
|
14
|
34
|
52
|
44
|
33
|
61
|
50
|
57
|
63
|
66
|
64
|
52
|
60
|
35
|
12
|
34
|
44
|
16
|
29
|
23
|
25
|
16
|
20
|
7
|
12
|
8
|
19
|
26
|
21
|
|
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