Air Quality
Excellent
No health implications.
16
PM2.5
47
PM10
54
O3
0.3
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Dec
46
Excellent
Sun
21 Dec
58
Good
Mon
22 Dec
86
Good
Tue
23 Dec
54
Good
Wed
24 Dec
45
Excellent
Thu
25 Dec
47
Excellent
Fri
26 Dec
22
Excellent
Air quality in the last 12 months (Tongyu)
|
2025/11
|
55
|
29
|
58
|
50
|
85
|
50
|
114
|
192
|
27
|
39
|
59
|
56
|
36
|
58
|
106
|
56
|
35
|
35
|
42
|
31
|
35
|
45
|
72
|
90
|
37
|
57
|
33
|
50
|
66
|
55
|
|
|
2025/10
|
47
|
48
|
54
|
34
|
24
|
29
|
45
|
22
|
32
|
43
|
51
|
35
|
54
|
51
|
33
|
34
|
36
|
27
|
25
|
24
|
32
|
40
|
60
|
48
|
39
|
25
|
30
|
40
|
108
|
35
|
51
|
|
2025/09
|
29
|
28
|
43
|
45
|
43
|
23
|
25
|
24
|
23
|
23
|
37
|
42
|
41
|
38
|
20
|
28
|
21
|
23
|
26
|
35
|
30
|
34
|
40
|
21
|
23
|
29
|
32
|
42
|
38
|
41
|
|
|
2025/08
|
21
|
27
|
15
|
17
|
18
|
15
|
15
|
20
|
19
|
18
|
18
|
22
|
19
|
21
|
31
|
25
|
17
|
23
|
25
|
24
|
22
|
15
|
22
|
17
|
20
|
17
|
26
|
20
|
18
|
27
|
38
|
|
2025/07
|
33
|
26
|
34
|
20
|
23
|
15
|
20
|
29
|
33
|
37
|
37
|
24
|
18
|
21
|
23
|
15
|
15
|
17
|
24
|
16
|
15
|
20
|
27
|
26
|
18
|
22
|
21
|
18
|
16
|
15
|
16
|
|
2025/06
|
18
|
31
|
16
|
16
|
26
|
22
|
18
|
31
|
23
|
19
|
20
|
38
|
33
|
20
|
30
|
19
|
20
|
33
|
21
|
15
|
15
|
22
|
27
|
43
|
40
|
38
|
44
|
26
|
37
|
30
|
|
|
2025/05
|
35
|
25
|
24
|
22
|
30
|
32
|
45
|
50
|
41
|
34
|
40
|
72
|
65
|
81
|
62
|
45
|
30
|
37
|
31
|
41
|
45
|
38
|
27
|
43
|
35
|
43
|
57
|
67
|
60
|
68
|
43
|
|
2025/04
|
65
|
48
|
65
|
81
|
65
|
73
|
67
|
46
|
54
|
69
|
105
|
27
|
19
|
25
|
32
|
35
|
69
|
29
|
27
|
44
|
51
|
19
|
37
|
60
|
57
|
107
|
35
|
33
|
62
|
28
|
|
|
2025/03
|
43
|
37
|
47
|
57
|
73
|
59
|
67
|
80
|
135
|
155
|
122
|
124
|
61
|
41
|
42
|
58
|
87
|
52
|
64
|
61
|
66
|
96
|
161
|
70
|
105
|
110
|
34
|
32
|
30
|
30
|
47
|
|
2025/02
|
84
|
93
|
41
|
39
|
45
|
61
|
31
|
27
|
42
|
64
|
114
|
54
|
41
|
50
|
76
|
42
|
35
|
30
|
33
|
38
|
42
|
42
|
45
|
53
|
96
|
42
|
64
|
66
|
|||
|
2025/01
|
39
|
29
|
38
|
84
|
139
|
106
|
39
|
39
|
47
|
52
|
91
|
118
|
66
|
48
|
37
|
36
|
47
|
88
|
44
|
73
|
97
|
96
|
110
|
159
|
156
|
176
|
105
|
53
|
51
|
43
|
61
|
|
2024/12
|
49
|
24
|
27
|
24
|
33
|
34
|
34
|
40
|
53
|
44
|
35
|
43
|
68
|
33
|
32
|
37
|
42
|
53
|
56
|
71
|
54
|
37
|
39
|
39
|
55
|
35
|
34
|
35
|
58
|
76
|
38
|
|
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