Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
23
PM2.5
55
PM10
168
O3
0.5
CO
8
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
4 May
95
Good
Mon
5 May
73
Good
Tue
6 May
89
Good
Wed
7 May
96
Good
Thu
8 May
68
Good
Fri
9 May
75
Good
Sat
10 May
17
Excellent
Air quality in the last 12 months (Tongcheng)
|
2025/02
|
72
|
56
|
104
|
74
|
56
|
45
|
84
|
41
|
41
|
54
|
72
|
95
|
71
|
69
|
91
|
87
|
80
|
56
|
68
|
72
|
47
|
63
|
96
|
105
|
92
|
114
|
67
|
57
|
|||
|
2025/01
|
102
|
144
|
211
|
149
|
107
|
82
|
49
|
57
|
57
|
47
|
66
|
78
|
79
|
97
|
65
|
61
|
61
|
72
|
93
|
131
|
121
|
177
|
213
|
82
|
35
|
45
|
52
|
59
|
191
|
78
|
110
|
|
2024/12
|
56
|
67
|
121
|
70
|
64
|
77
|
114
|
57
|
57
|
74
|
91
|
96
|
81
|
69
|
61
|
66
|
83
|
100
|
45
|
79
|
91
|
59
|
80
|
92
|
124
|
127
|
99
|
90
|
77
|
87
|
99
|
|
2024/11
|
43
|
68
|
61
|
69
|
47
|
52
|
47
|
51
|
56
|
47
|
51
|
59
|
54
|
72
|
94
|
72
|
20
|
30
|
35
|
46
|
42
|
66
|
61
|
51
|
39
|
48
|
58
|
60
|
50
|
55
|
|
|
2024/10
|
22
|
40
|
29
|
33
|
41
|
20
|
12
|
34
|
40
|
56
|
65
|
66
|
71
|
54
|
52
|
51
|
32
|
24
|
24
|
40
|
51
|
34
|
49
|
51
|
46
|
31
|
36
|
90
|
81
|
50
|
39
|
|
2024/09
|
44
|
44
|
38
|
42
|
43
|
43
|
48
|
50
|
39
|
34
|
26
|
15
|
31
|
30
|
33
|
29
|
31
|
27
|
30
|
19
|
24
|
31
|
32
|
40
|
46
|
60
|
34
|
38
|
44
|
50
|
|
|
2024/08
|
18
|
21
|
27
|
28
|
32
|
28
|
26
|
32
|
39
|
38
|
48
|
55
|
35
|
21
|
25
|
30
|
41
|
40
|
35
|
19
|
32
|
33
|
34
|
37
|
44
|
47
|
22
|
14
|
27
|
34
|
41
|
|
2024/07
|
16
|
14
|
20
|
22
|
23
|
23
|
25
|
25
|
28
|
24
|
35
|
33
|
12
|
16
|
31
|
42
|
26
|
24
|
22
|
23
|
25
|
27
|
33
|
37
|
23
|
24
|
10
|
12
|
16
|
20
|
24
|
|
2024/06
|
36
|
40
|
35
|
44
|
36
|
33
|
34
|
39
|
47
|
25
|
24
|
31
|
33
|
32
|
41
|
51
|
34
|
35
|
17
|
21
|
24
|
12
|
21
|
26
|
34
|
33
|
23
|
9
|
16
|
14
|
|
|
2024/05
|
35
|
41
|
43
|
34
|
39
|
31
|
40
|
47
|
53
|
58
|
50
|
98
|
80
|
58
|
65
|
48
|
65
|
60
|
68
|
68
|
47
|
32
|
43
|
41
|
48
|
26
|
20
|
25
|
34
|
46
|
35
|
|
2024/04
|
56
|
19
|
48
|
49
|
47
|
45
|
43
|
25
|
42
|
55
|
58
|
63
|
73
|
47
|
53
|
55
|
37
|
51
|
39
|
56
|
46
|
53
|
79
|
101
|
71
|
55
|
67
|
43
|
28
|
39
|
|
|
2024/03
|
59
|
56
|
46
|
52
|
69
|
79
|
85
|
76
|
66
|
84
|
78
|
78
|
89
|
98
|
104
|
103
|
91
|
69
|
79
|
82
|
65
|
58
|
46
|
55
|
32
|
46
|
61
|
49
|
49
|
49
|
75
|
|
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