Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
56
O3
0.7
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jul
64
Good
Tue
21 Jul
54
Good
Wed
22 Jul
50
Excellent
Thu
23 Jul
56
Good
Fri
24 Jul
58
Good
Sat
25 Jul
61
Good
Sun
26 Jul
48
Excellent
Air quality in the last 12 months (Tongcheng)
|
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
|
|
2025/07
|
14
|
14
|
15
|
22
|
29
|
30
|
32
|
30
|
23
|
17
|
30
|
21
|
18
|
23
|
22
|
22
|
29
|
26
|
32
|
22
|
13
|
10
|
12
|
18
|
21
|
25
|
19
|
20
|
23
|
21
|
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