Air Quality
Excellent
No health implications.
10
PM2.5
19
PM10
67
O3
0.6
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Sep
56
Good
Thu
3 Sep
53
Good
Fri
4 Sep
55
Good
Sat
5 Sep
71
Good
Sun
6 Sep
76
Good
Mon
7 Sep
20
Excellent
Tue
8 Sep
27
Excellent
Air quality in the last 12 months (Tongcheng)
|
2026/07
|
20
|
15
|
18
|
16
|
13
|
14
|
15
|
15
|
17
|
21
|
30
|
31
|
40
|
32
|
20
|
20
|
23
|
25
|
29
|
29
|
25
|
18
|
24
|
26
|
33
|
28
|
14
|
15
|
18
|
17
|
17
|
|
2026/06
|
53
|
48
|
38
|
29
|
47
|
44
|
47
|
29
|
31
|
41
|
45
|
36
|
22
|
28
|
37
|
41
|
42
|
32
|
16
|
21
|
16
|
19
|
19
|
18
|
24
|
33
|
44
|
42
|
43
|
30
|
|
|
2026/05
|
35
|
27
|
34
|
34
|
37
|
37
|
39
|
40
|
41
|
37
|
39
|
46
|
26
|
25
|
37
|
22
|
20
|
17
|
17
|
26
|
34
|
21
|
27
|
24
|
26
|
21
|
25
|
31
|
47
|
47
|
51
|
|
2026/04
|
46
|
34
|
36
|
38
|
62
|
57
|
75
|
58
|
37
|
38
|
42
|
38
|
44
|
30
|
32
|
44
|
42
|
50
|
52
|
53
|
22
|
19
|
32
|
37
|
40
|
45
|
55
|
30
|
27
|
30
|
|
|
2026/03
|
18
|
30
|
55
|
57
|
65
|
71
|
68
|
67
|
76
|
60
|
46
|
59
|
45
|
48
|
95
|
25
|
22
|
26
|
49
|
64
|
41
|
49
|
48
|
69
|
73
|
59
|
63
|
63
|
54
|
35
|
40
|
|
2026/02
|
55
|
62
|
73
|
79
|
86
|
103
|
56
|
63
|
57
|
62
|
70
|
75
|
65
|
49
|
60
|
34
|
80
|
69
|
81
|
47
|
37
|
52
|
68
|
40
|
35
|
22
|
34
|
37
|
|||
|
2026/01
|
34
|
54
|
66
|
57
|
87
|
80
|
65
|
69
|
65
|
61
|
74
|
73
|
73
|
65
|
122
|
110
|
167
|
170
|
32
|
43
|
63
|
76
|
77
|
76
|
80
|
141
|
111
|
78
|
68
|
35
|
43
|
|
2025/12
|
87
|
108
|
71
|
68
|
93
|
89
|
102
|
120
|
127
|
119
|
134
|
131
|
36
|
50
|
52
|
57
|
113
|
126
|
76
|
123
|
79
|
58
|
51
|
81
|
66
|
68
|
76
|
69
|
74
|
137
|
112
|
|
2025/11
|
54
|
51
|
54
|
50
|
52
|
46
|
46
|
16
|
33
|
41
|
66
|
52
|
46
|
55
|
58
|
52
|
58
|
30
|
33
|
41
|
51
|
58
|
62
|
53
|
74
|
57
|
87
|
70
|
60
|
53
|
|
|
2025/10
|
38
|
40
|
36
|
41
|
49
|
34
|
45
|
58
|
46
|
51
|
72
|
98
|
59
|
55
|
57
|
29
|
37
|
13
|
9
|
17
|
19
|
27
|
38
|
39
|
64
|
73
|
72
|
68
|
65
|
81
|
51
|
|
2025/09
|
19
|
19
|
21
|
24
|
27
|
31
|
35
|
24
|
26
|
25
|
23
|
21
|
30
|
34
|
29
|
29
|
34
|
29
|
21
|
20
|
29
|
40
|
28
|
13
|
17
|
34
|
44
|
46
|
46
|
41
|
|
|
2025/08
|
33
|
40
|
36
|
29
|
24
|
17
|
14
|
12
|
21
|
30
|
19
|
22
|
26
|
19
|
10
|
15
|
19
|
22
|
16
|
14
|
16
|
15
|
20
|
21
|
15
|
18
|
24
|
22
|
22
|
27
|
19
|
|
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