Air Quality
Excellent
No health implications.
7
PM2.5
23
PM10
73
O3
0.4
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
38
Excellent
Sat
3 May
40
Excellent
Sun
4 May
70
Good
Mon
5 May
69
Good
Tue
6 May
68
Good
Wed
7 May
29
Excellent
Thu
8 May
48
Excellent
Air quality in the last 12 months (Tengchong)
|
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
|
|
2024/04
|
45
|
55
|
64
|
58
|
52
|
64
|
61
|
64
|
63
|
58
|
63
|
66
|
67
|
58
|
61
|
87
|
98
|
57
|
58
|
47
|
40
|
54
|
60
|
57
|
52
|
57
|
60
|
62
|
52
|
59
|
|
|
2024/03
|
44
|
42
|
43
|
50
|
47
|
45
|
47
|
41
|
36
|
48
|
56
|
73
|
72
|
66
|
67
|
68
|
75
|
62
|
61
|
73
|
73
|
33
|
28
|
45
|
41
|
50
|
51
|
53
|
56
|
66
|
60
|
|
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