Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
26
PM2.5
67
*
PM10
78
O3
0.4
CO
6
SO2
19
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
10 May
79
Good
Sun
11 May
90
Good
Mon
12 May
98
Good
Tue
13 May
93
Good
Wed
14 May
72
Good
Thu
15 May
15
Excellent
Fri
16 May
38
Excellent
Air quality in the last 12 months (Tongcheng)
|
2025/02
|
52
|
43
|
56
|
51
|
48
|
48
|
73
|
44
|
40
|
50
|
50
|
70
|
87
|
75
|
59
|
49
|
43
|
31
|
43
|
44
|
61
|
28
|
62
|
80
|
70
|
53
|
46
|
45
|
|||
|
2025/01
|
74
|
94
|
145
|
160
|
88
|
68
|
78
|
72
|
61
|
52
|
57
|
62
|
66
|
79
|
70
|
60
|
59
|
71
|
71
|
89
|
74
|
72
|
168
|
115
|
25
|
31
|
53
|
66
|
137
|
58
|
73
|
|
2024/12
|
40
|
49
|
86
|
90
|
43
|
47
|
47
|
81
|
60
|
58
|
57
|
72
|
74
|
53
|
55
|
48
|
54
|
68
|
68
|
80
|
82
|
63
|
67
|
77
|
80
|
108
|
127
|
64
|
54
|
82
|
94
|
|
2024/11
|
58
|
75
|
60
|
67
|
67
|
52
|
43
|
42
|
52
|
50
|
47
|
49
|
51
|
65
|
70
|
73
|
19
|
15
|
29
|
29
|
37
|
41
|
52
|
56
|
30
|
26
|
35
|
44
|
44
|
43
|
|
|
2024/10
|
20
|
53
|
45
|
27
|
43
|
81
|
44
|
29
|
39
|
56
|
59
|
82
|
151
|
74
|
64
|
44
|
27
|
28
|
18
|
25
|
36
|
19
|
28
|
30
|
47
|
50
|
46
|
67
|
51
|
44
|
45
|
|
2024/09
|
35
|
40
|
44
|
37
|
38
|
47
|
41
|
30
|
37
|
33
|
34
|
33
|
27
|
30
|
36
|
30
|
38
|
35
|
31
|
35
|
30
|
32
|
33
|
39
|
45
|
53
|
55
|
40
|
25
|
43
|
|
|
2024/08
|
13
|
17
|
18
|
19
|
24
|
23
|
27
|
25
|
23
|
25
|
55
|
58
|
30
|
26
|
23
|
27
|
34
|
31
|
28
|
29
|
28
|
29
|
18
|
18
|
20
|
29
|
25
|
16
|
36
|
31
|
32
|
|
2024/07
|
12
|
19
|
21
|
16
|
17
|
16
|
20
|
18
|
22
|
28
|
30
|
25
|
26
|
27
|
23
|
21
|
15
|
16
|
16
|
16
|
20
|
19
|
19
|
25
|
32
|
26
|
18
|
7
|
8
|
12
|
15
|
|
2024/06
|
15
|
30
|
28
|
18
|
21
|
19
|
26
|
31
|
20
|
12
|
16
|
22
|
20
|
20
|
22
|
23
|
26
|
17
|
13
|
19
|
21
|
12
|
14
|
14
|
15
|
16
|
9
|
18
|
14
|
12
|
|
|
2024/05
|
30
|
30
|
26
|
19
|
23
|
23
|
35
|
44
|
41
|
44
|
46
|
89
|
73
|
58
|
57
|
57
|
54
|
46
|
52
|
35
|
37
|
15
|
18
|
25
|
25
|
26
|
21
|
18
|
24
|
38
|
40
|
|
2024/04
|
23
|
15
|
37
|
52
|
47
|
44
|
45
|
40
|
29
|
30
|
36
|
28
|
25
|
28
|
39
|
36
|
36
|
30
|
19
|
28
|
41
|
37
|
27
|
57
|
62
|
57
|
40
|
26
|
31
|
19
|
|
|
2024/03
|
50
|
34
|
29
|
30
|
55
|
66
|
47
|
64
|
65
|
64
|
62
|
52
|
52
|
45
|
56
|
62
|
53
|
35
|
42
|
72
|
62
|
56
|
29
|
40
|
21
|
24
|
39
|
31
|
33
|
30
|
23
|
|
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