Air Quality
Excellent
No health implications.
23
PM2.5
31
PM10
78
O3
0.4
CO
10
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jan
48
Excellent
Fri
23 Jan
46
Excellent
Sat
24 Jan
48
Excellent
Sun
25 Jan
45
Excellent
Mon
26 Jan
48
Excellent
Tue
27 Jan
51
Good
Wed
28 Jan
20
Excellent
Air quality in the last 12 months (Tongren)
|
2025/11
|
48
|
52
|
45
|
36
|
41
|
38
|
52
|
86
|
77
|
53
|
41
|
50
|
31
|
44
|
36
|
40
|
60
|
45
|
37
|
36
|
34
|
45
|
40
|
85
|
53
|
66
|
38
|
28
|
31
|
32
|
|
|
2025/10
|
16
|
25
|
29
|
51
|
31
|
29
|
18
|
24
|
26
|
26
|
26
|
27
|
26
|
29
|
32
|
32
|
34
|
37
|
43
|
45
|
39
|
30
|
29
|
35
|
37
|
39
|
31
|
32
|
33
|
42
|
56
|
|
2025/09
|
28
|
22
|
34
|
30
|
39
|
51
|
59
|
47
|
41
|
35
|
26
|
27
|
35
|
48
|
34
|
82
|
35
|
17
|
23
|
37
|
31
|
23
|
29
|
35
|
37
|
29
|
30
|
24
|
26
|
32
|
|
|
2025/08
|
40
|
37
|
33
|
15
|
22
|
24
|
22
|
20
|
23
|
27
|
26
|
27
|
31
|
29
|
23
|
29
|
33
|
29
|
25
|
28
|
13
|
19
|
19
|
27
|
28
|
22
|
13
|
16
|
17
|
25
|
30
|
|
2025/07
|
30
|
23
|
26
|
21
|
22
|
20
|
29
|
34
|
32
|
28
|
28
|
27
|
30
|
31
|
41
|
34
|
30
|
28
|
46
|
19
|
20
|
26
|
28
|
28
|
23
|
21
|
28
|
30
|
26
|
25
|
47
|
|
2025/06
|
21
|
22
|
25
|
22
|
26
|
37
|
36
|
37
|
19
|
35
|
26
|
29
|
34
|
34
|
35
|
34
|
41
|
39
|
38
|
33
|
24
|
18
|
19
|
21
|
24
|
29
|
26
|
27
|
23
|
22
|
|
|
2025/05
|
26
|
45
|
165
|
87
|
49
|
60
|
94
|
91
|
46
|
32
|
23
|
37
|
52
|
28
|
18
|
26
|
28
|
37
|
29
|
29
|
34
|
58
|
56
|
45
|
33
|
31
|
34
|
29
|
42
|
71
|
57
|
|
2025/04
|
96
|
89
|
68
|
111
|
92
|
65
|
74
|
109
|
68
|
61
|
84
|
28
|
29
|
40
|
58
|
60
|
62
|
94
|
67
|
82
|
109
|
76
|
61
|
45
|
33
|
34
|
31
|
39
|
39
|
39
|
|
|
2025/03
|
60
|
53
|
52
|
47
|
52
|
71
|
82
|
54
|
41
|
49
|
102
|
127
|
71
|
42
|
55
|
46
|
48
|
53
|
59
|
56
|
50
|
62
|
54
|
33
|
33
|
210
|
165
|
61
|
79
|
87
|
92
|
|
2025/02
|
52
|
53
|
49
|
50
|
52
|
53
|
52
|
53
|
48
|
57
|
66
|
68
|
57
|
59
|
49
|
45
|
44
|
44
|
58
|
65
|
61
|
70
|
68
|
56
|
38
|
35
|
52
|
57
|
|||
|
2025/01
|
37
|
49
|
43
|
64
|
44
|
45
|
71
|
67
|
74
|
72
|
43
|
27
|
32
|
40
|
53
|
62
|
44
|
48
|
49
|
42
|
39
|
51
|
59
|
69
|
86
|
69
|
36
|
38
|
65
|
42
|
40
|
|
2024/12
|
31
|
39
|
41
|
59
|
62
|
61
|
70
|
75
|
69
|
77
|
70
|
69
|
59
|
55
|
30
|
29
|
34
|
65
|
59
|
50
|
79
|
56
|
58
|
96
|
94
|
45
|
68
|
40
|
62
|
53
|
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