Air Quality
Excellent
No health implications.
23
PM2.5
31
PM10
35
O3
0.7
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
51
Good
Tue
20 Oct
55
Good
Wed
21 Oct
65
Good
Thu
22 Oct
65
Good
Fri
23 Oct
73
Good
Sat
24 Oct
24
Excellent
Sun
25 Oct
18
Excellent
Air quality in the last 12 months (Tongcheng)
|
2026/08
|
25
|
26
|
31
|
56
|
39
|
33
|
26
|
27
|
26
|
17
|
16
|
17
|
19
|
17
|
19
|
29
|
32
|
48
|
42
|
31
|
25
|
22
|
23
|
20
|
23
|
27
|
39
|
25
|
29
|
27
|
35
|
|
2026/07
|
27
|
17
|
18
|
16
|
13
|
14
|
14
|
16
|
20
|
24
|
30
|
16
|
20
|
25
|
19
|
20
|
25
|
29
|
29
|
21
|
16
|
18
|
20
|
24
|
31
|
31
|
22
|
21
|
15
|
18
|
19
|
|
2026/06
|
73
|
71
|
56
|
49
|
61
|
44
|
52
|
41
|
34
|
46
|
54
|
45
|
30
|
36
|
43
|
34
|
48
|
45
|
16
|
26
|
28
|
24
|
26
|
22
|
30
|
44
|
61
|
74
|
62
|
27
|
|
|
2026/05
|
34
|
30
|
29
|
28
|
32
|
36
|
43
|
35
|
39
|
40
|
43
|
59
|
75
|
57
|
31
|
33
|
43
|
48
|
26
|
21
|
29
|
44
|
45
|
35
|
19
|
19
|
26
|
39
|
56
|
58
|
73
|
|
2026/04
|
65
|
49
|
33
|
49
|
62
|
66
|
58
|
42
|
27
|
33
|
57
|
28
|
30
|
25
|
36
|
49
|
44
|
54
|
55
|
44
|
39
|
15
|
21
|
29
|
31
|
37
|
50
|
30
|
29
|
34
|
|
|
2026/03
|
30
|
17
|
60
|
67
|
53
|
55
|
65
|
67
|
70
|
74
|
56
|
73
|
67
|
65
|
109
|
32
|
28
|
27
|
75
|
95
|
75
|
53
|
67
|
51
|
57
|
75
|
76
|
58
|
55
|
47
|
82
|
|
2026/02
|
37
|
56
|
76
|
69
|
74
|
67
|
43
|
53
|
50
|
63
|
81
|
84
|
72
|
61
|
65
|
33
|
91
|
82
|
76
|
55
|
36
|
105
|
133
|
21
|
38
|
23
|
30
|
37
|
|||
|
2026/01
|
26
|
60
|
75
|
92
|
70
|
66
|
57
|
62
|
58
|
87
|
69
|
62
|
77
|
66
|
75
|
90
|
196
|
137
|
20
|
42
|
60
|
47
|
71
|
81
|
135
|
70
|
58
|
85
|
85
|
18
|
34
|
|
2025/12
|
115
|
96
|
79
|
67
|
76
|
83
|
77
|
119
|
77
|
85
|
133
|
72
|
40
|
65
|
57
|
63
|
186
|
178
|
128
|
188
|
54
|
47
|
48
|
82
|
78
|
46
|
59
|
70
|
79
|
161
|
50
|
|
2025/11
|
61
|
63
|
60
|
65
|
81
|
64
|
15
|
27
|
61
|
68
|
45
|
41
|
55
|
90
|
104
|
89
|
48
|
30
|
37
|
55
|
73
|
70
|
95
|
96
|
95
|
78
|
188
|
120
|
80
|
70
|
|
|
2025/10
|
26
|
38
|
20
|
33
|
54
|
52
|
67
|
55
|
45
|
57
|
49
|
43
|
24
|
29
|
48
|
33
|
30
|
13
|
20
|
29
|
24
|
30
|
33
|
43
|
52
|
43
|
62
|
75
|
86
|
73
|
49
|
|
2025/09
|
20
|
24
|
26
|
35
|
37
|
37
|
44
|
43
|
23
|
23
|
22
|
24
|
19
|
24
|
22
|
34
|
30
|
24
|
30
|
18
|
34
|
37
|
47
|
10
|
13
|
25
|
33
|
33
|
32
|
26
|
|
|
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