Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
62
O3
0.4
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
61
Good
Sun
25 May
38
Excellent
Mon
26 May
40
Excellent
Tue
27 May
38
Excellent
Wed
28 May
57
Good
Thu
29 May
55
Good
Fri
30 May
19
Excellent
Air quality in the last 12 months (Tengchong)
|
2025/04
|
113
|
94
|
80
|
97
|
91
|
83
|
70
|
92
|
88
|
80
|
69
|
55
|
37
|
38
|
47
|
40
|
30
|
37
|
39
|
39
|
41
|
43
|
55
|
62
|
67
|
72
|
73
|
63
|
48
|
48
|
|
|
2025/03
|
54
|
57
|
51
|
48
|
58
|
62
|
70
|
79
|
71
|
59
|
68
|
85
|
90
|
61
|
57
|
52
|
58
|
74
|
67
|
68
|
79
|
70
|
61
|
55
|
47
|
45
|
60
|
103
|
126
|
108
|
103
|
|
2025/02
|
73
|
70
|
59
|
61
|
65
|
70
|
61
|
49
|
53
|
52
|
44
|
47
|
48
|
61
|
54
|
65
|
54
|
54
|
57
|
61
|
58
|
58
|
54
|
55
|
54
|
48
|
43
|
52
|
|||
|
2025/01
|
44
|
43
|
42
|
42
|
46
|
45
|
42
|
39
|
36
|
41
|
42
|
48
|
45
|
46
|
46
|
46
|
46
|
43
|
44
|
40
|
42
|
44
|
51
|
43
|
45
|
67
|
47
|
59
|
113
|
68
|
61
|
|
2024/12
|
34
|
33
|
32
|
31
|
33
|
34
|
39
|
42
|
40
|
38
|
50
|
54
|
44
|
39
|
37
|
34
|
36
|
36
|
35
|
29
|
40
|
52
|
33
|
33
|
39
|
45
|
52
|
51
|
39
|
38
|
39
|
|
2024/11
|
42
|
41
|
37
|
35
|
28
|
22
|
18
|
20
|
23
|
25
|
26
|
24
|
24
|
24
|
28
|
32
|
34
|
32
|
32
|
31
|
26
|
33
|
31
|
32
|
31
|
30
|
34
|
35
|
38
|
33
|
|
|
2024/10
|
20
|
14
|
24
|
19
|
17
|
20
|
21
|
21
|
23
|
26
|
27
|
31
|
33
|
37
|
42
|
30
|
28
|
34
|
40
|
39
|
30
|
30
|
31
|
27
|
26
|
28
|
34
|
33
|
31
|
29
|
34
|
|
2024/09
|
20
|
24
|
21
|
26
|
24
|
25
|
34
|
36
|
31
|
25
|
20
|
23
|
25
|
20
|
29
|
29
|
30
|
32
|
33
|
40
|
38
|
29
|
27
|
30
|
32
|
26
|
22
|
21
|
20
|
20
|
|
|
2024/08
|
20
|
15
|
17
|
19
|
18
|
17
|
23
|
15
|
15
|
18
|
21
|
26
|
31
|
37
|
37
|
26
|
26
|
22
|
23
|
23
|
22
|
21
|
38
|
23
|
21
|
24
|
28
|
23
|
28
|
28
|
22
|
|
2024/07
|
13
|
14
|
14
|
13
|
20
|
20
|
16
|
18
|
19
|
17
|
13
|
17
|
24
|
23
|
21
|
22
|
29
|
24
|
22
|
20
|
16
|
16
|
17
|
20
|
20
|
22
|
20
|
21
|
19
|
16
|
24
|
|
2024/06
|
47
|
40
|
35
|
36
|
38
|
36
|
33
|
31
|
32
|
42
|
45
|
31
|
15
|
17
|
21
|
33
|
34
|
30
|
38
|
40
|
36
|
31
|
22
|
22
|
18
|
27
|
17
|
18
|
18
|
18
|
|
|
2024/05
|
63
|
46
|
39
|
58
|
62
|
29
|
41
|
44
|
46
|
37
|
34
|
40
|
38
|
43
|
45
|
40
|
39
|
43
|
50
|
45
|
32
|
35
|
37
|
29
|
29
|
19
|
14
|
21
|
34
|
41
|
44
|
|
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