Air Quality
Excellent
No health implications.
29
PM2.5
48
PM10
36
O3
0.9
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
38
Excellent
Thu
30 Apr
53
Good
Fri
1 May
55
Good
Sat
2 May
44
Excellent
Sun
3 May
52
Good
Mon
4 May
45
Excellent
Tue
5 May
21
Excellent
Air quality in the last 12 months (Tengchong)
|
2026/03
|
78
|
74
|
63
|
71
|
84
|
100
|
91
|
95
|
74
|
61
|
64
|
75
|
70
|
40
|
36
|
37
|
39
|
34
|
41
|
43
|
50
|
41
|
27
|
34
|
42
|
42
|
56
|
77
|
39
|
42
|
52
|
|
2026/02
|
41
|
41
|
41
|
48
|
45
|
40
|
40
|
46
|
53
|
43
|
38
|
38
|
36
|
40
|
56
|
69
|
97
|
63
|
50
|
39
|
43
|
48
|
51
|
51
|
69
|
66
|
57
|
72
|
|||
|
2026/01
|
48
|
45
|
37
|
38
|
39
|
42
|
42
|
48
|
45
|
43
|
43
|
45
|
41
|
41
|
41
|
41
|
39
|
44
|
45
|
42
|
41
|
38
|
44
|
41
|
46
|
44
|
38
|
42
|
41
|
42
|
44
|
|
2025/12
|
43
|
41
|
41
|
39
|
34
|
37
|
34
|
37
|
39
|
39
|
39
|
38
|
41
|
39
|
36
|
34
|
37
|
35
|
37
|
36
|
40
|
40
|
48
|
39
|
37
|
41
|
40
|
40
|
39
|
37
|
41
|
|
2025/11
|
32
|
22
|
16
|
16
|
19
|
16
|
23
|
30
|
29
|
23
|
22
|
23
|
26
|
25
|
29
|
29
|
29
|
29
|
29
|
23
|
25
|
24
|
24
|
27
|
31
|
30
|
35
|
37
|
41
|
42
|
|
|
2025/10
|
15
|
15
|
20
|
18
|
22
|
20
|
20
|
18
|
23
|
24
|
21
|
20
|
22
|
24
|
28
|
27
|
21
|
20
|
18
|
19
|
25
|
24
|
26
|
28
|
24
|
27
|
27
|
30
|
31
|
29
|
36
|
|
2025/09
|
24
|
24
|
24
|
24
|
23
|
21
|
21
|
26
|
28
|
27
|
24
|
21
|
15
|
15
|
16
|
15
|
18
|
23
|
26
|
28
|
25
|
26
|
26
|
23
|
28
|
32
|
25
|
25
|
25
|
18
|
|
|
2025/08
|
21
|
21
|
19
|
20
|
21
|
24
|
18
|
16
|
18
|
20
|
23
|
21
|
23
|
20
|
23
|
23
|
23
|
21
|
20
|
18
|
16
|
17
|
17
|
17
|
18
|
25
|
26
|
25
|
17
|
24
|
23
|
|
2025/07
|
18
|
19
|
19
|
18
|
13
|
14
|
16
|
15
|
18
|
20
|
21
|
23
|
26
|
19
|
17
|
18
|
18
|
23
|
19
|
25
|
19
|
24
|
29
|
23
|
15
|
16
|
16
|
24
|
24
|
20
|
16
|
|
2025/06
|
18
|
13
|
31
|
52
|
46
|
38
|
33
|
29
|
35
|
20
|
32
|
38
|
41
|
33
|
23
|
23
|
14
|
14
|
16
|
22
|
23
|
17
|
15
|
16
|
17
|
18
|
19
|
18
|
16
|
21
|
|
|
2025/05
|
36
|
23
|
29
|
26
|
32
|
37
|
39
|
40
|
46
|
54
|
58
|
51
|
39
|
43
|
38
|
40
|
37
|
34
|
40
|
35
|
38
|
34
|
40
|
37
|
17
|
17
|
25
|
18
|
16
|
19
|
16
|
|
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
|
|
|
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