Air Quality
Excellent
No health implications.
6
PM2.5
8
PM10
38
O3
0.7
CO
3
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Mar
62
Good
Tue
17 Mar
50
Excellent
Wed
18 Mar
50
Excellent
Thu
19 Mar
81
Good
Fri
20 Mar
69
Good
Sat
21 Mar
72
Good
Sun
22 Mar
17
Excellent
Air quality in the last 12 months (Tongcheng)
|
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
|
|
|
2025/08
|
22
|
22
|
25
|
29
|
31
|
17
|
18
|
22
|
28
|
26
|
13
|
22
|
31
|
27
|
18
|
21
|
24
|
28
|
27
|
22
|
22
|
19
|
20
|
26
|
27
|
18
|
30
|
30
|
34
|
22
|
16
|
|
2025/07
|
23
|
27
|
31
|
36
|
42
|
41
|
43
|
24
|
19
|
29
|
38
|
22
|
27
|
37
|
35
|
36
|
22
|
34
|
34
|
16
|
17
|
10
|
19
|
20
|
24
|
25
|
23
|
21
|
22
|
22
|
20
|
|
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
|
|
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