Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
58
PM10
174
O3
0.4
CO
10
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 Apr
82
Good
Fri
4 Apr
83
Good
Sat
5 Apr
87
Good
Sun
6 Apr
85
Good
Mon
7 Apr
91
Good
Tue
8 Apr
96
Good
Wed
9 Apr
45
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