Air Quality
Excellent
No health implications.
15
PM2.5
24
PM10
43
O3
0.4
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jun
98
Good
Wed
4 Jun
98
Good
Thu
5 Jun
99
Good
Fri
6 Jun
83
Good
Sat
7 Jun
67
Good
Sun
8 Jun
24
Excellent
Mon
9 Jun
35
Excellent
Air quality in the last 12 months (Tongcheng)
|
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
|
|
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
|
|
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