Air Quality
Excellent
No health implications.
17
PM2.5
28
PM10
53
O3
0.6
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
49
Excellent
Wed
13 Aug
52
Good
Thu
14 Aug
54
Good
Fri
15 Aug
55
Good
Sat
16 Aug
61
Good
Sun
17 Aug
63
Good
Mon
18 Aug
47
Excellent
Air quality in the last 12 months (Tongcheng)
|
2025/06
|
12
|
12
|
34
|
47
|
43
|
38
|
30
|
14
|
27
|
27
|
36
|
35
|
43
|
28
|
17
|
38
|
34
|
17
|
13
|
16
|
13
|
14
|
26
|
34
|
37
|
32
|
19
|
13
|
17
|
25
|
|
|
2025/05
|
53
|
54
|
59
|
49
|
48
|
145
|
123
|
56
|
31
|
36
|
44
|
49
|
47
|
54
|
58
|
33
|
58
|
101
|
64
|
38
|
23
|
33
|
44
|
67
|
60
|
65
|
73
|
61
|
42
|
42
|
35
|
|
2025/04
|
54
|
66
|
62
|
65
|
78
|
68
|
64
|
61
|
63
|
63
|
51
|
195
|
104
|
93
|
50
|
52
|
64
|
67
|
73
|
67
|
41
|
62
|
62
|
61
|
58
|
54
|
35
|
60
|
57
|
52
|
|
|
2025/03
|
50
|
38
|
20
|
45
|
66
|
71
|
61
|
68
|
101
|
95
|
56
|
86
|
68
|
45
|
29
|
50
|
34
|
51
|
50
|
51
|
50
|
55
|
63
|
68
|
60
|
65
|
87
|
84
|
109
|
85
|
59
|
|
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
|
|
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