Air Quality
Excellent
No health implications.
9
PM2.5
12
PM10
104
O3
0.2
CO
10
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Sep
54
Good
Mon
14 Sep
57
Good
Tue
15 Sep
56
Good
Wed
16 Sep
53
Good
Thu
17 Sep
46
Excellent
Fri
18 Sep
54
Good
Sat
19 Sep
39
Excellent
Air quality in the last 12 months (Tongren)
|
2026/08
|
30
|
31
|
28
|
33
|
34
|
37
|
39
|
34
|
33
|
36
|
30
|
35
|
40
|
36
|
30
|
30
|
27
|
27
|
29
|
31
|
32
|
29
|
27
|
23
|
25
|
23
|
22
|
28
|
26
|
29
|
31
|
|
2026/07
|
40
|
40
|
48
|
60
|
53
|
45
|
36
|
38
|
37
|
31
|
246
|
30
|
30
|
34
|
34
|
41
|
30
|
39
|
43
|
40
|
40
|
41
|
45
|
44
|
39
|
41
|
42
|
36
|
31
|
57
|
33
|
|
2026/06
|
60
|
42
|
39
|
44
|
46
|
85
|
70
|
61
|
52
|
40
|
32
|
38
|
40
|
37
|
40
|
45
|
37
|
36
|
38
|
34
|
36
|
34
|
40
|
37
|
38
|
36
|
47
|
41
|
38
|
43
|
|
|
2026/05
|
37
|
38
|
39
|
37
|
38
|
39
|
51
|
32
|
36
|
34
|
37
|
37
|
42
|
62
|
60
|
33
|
35
|
34
|
40
|
44
|
43
|
103
|
55
|
42
|
41
|
50
|
48
|
45
|
36
|
41
|
65
|
|
2026/04
|
36
|
38
|
50
|
45
|
53
|
57
|
38
|
28
|
34
|
41
|
33
|
50
|
34
|
33
|
36
|
36
|
37
|
38
|
131
|
73
|
41
|
53
|
71
|
54
|
39
|
44
|
42
|
31
|
37
|
35
|
|
|
2026/03
|
68
|
53
|
45
|
71
|
72
|
55
|
50
|
50
|
31
|
28
|
33
|
65
|
124
|
73
|
122
|
61
|
48
|
49
|
51
|
58
|
56
|
80
|
68
|
44
|
42
|
36
|
58
|
57
|
46
|
58
|
34
|
|
2026/02
|
63
|
63
|
66
|
76
|
59
|
60
|
55
|
43
|
69
|
73
|
50
|
37
|
32
|
40
|
62
|
60
|
94
|
55
|
50
|
29
|
51
|
43
|
84
|
46
|
46
|
52
|
56
|
62
|
|||
|
2026/01
|
52
|
62
|
69
|
59
|
59
|
50
|
26
|
30
|
40
|
22
|
28
|
30
|
27
|
46
|
36
|
35
|
38
|
62
|
65
|
58
|
55
|
54
|
33
|
36
|
134
|
117
|
69
|
84
|
96
|
69
|
66
|
|
2025/12
|
28
|
41
|
45
|
38
|
33
|
48
|
41
|
54
|
46
|
39
|
41
|
142
|
61
|
35
|
36
|
38
|
33
|
35
|
54
|
51
|
48
|
60
|
63
|
54
|
49
|
37
|
30
|
29
|
27
|
32
|
54
|
|
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
|
|
|
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