Air Quality
Excellent
No health implications.
12
PM2.5
17
PM10
42
O3
0.3
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
55
Good
Tue
12 May
55
Good
Wed
13 May
55
Good
Thu
14 May
52
Good
Fri
15 May
54
Good
Sat
16 May
16
Excellent
Sun
17 May
44
Excellent
Air quality in the last 12 months (Tunxi)
|
2026/04
|
32
|
42
|
26
|
39
|
69
|
50
|
51
|
35
|
35
|
30
|
34
|
24
|
28
|
19
|
25
|
46
|
33
|
45
|
43
|
50
|
29
|
15
|
16
|
21
|
24
|
33
|
47
|
35
|
27
|
29
|
|
|
2026/03
|
17
|
14
|
30
|
65
|
51
|
51
|
57
|
54
|
51
|
48
|
44
|
45
|
45
|
43
|
71
|
87
|
51
|
23
|
19
|
39
|
32
|
36
|
34
|
30
|
29
|
41
|
27
|
28
|
50
|
30
|
25
|
|
2026/02
|
24
|
39
|
54
|
57
|
62
|
28
|
20
|
49
|
37
|
30
|
46
|
57
|
53
|
42
|
34
|
23
|
57
|
42
|
32
|
33
|
29
|
57
|
84
|
39
|
14
|
16
|
12
|
18
|
|||
|
2026/01
|
27
|
36
|
48
|
60
|
61
|
55
|
50
|
42
|
48
|
50
|
53
|
54
|
60
|
46
|
49
|
54
|
75
|
78
|
52
|
20
|
50
|
58
|
50
|
49
|
54
|
51
|
25
|
51
|
58
|
37
|
14
|
|
2025/12
|
53
|
80
|
60
|
56
|
53
|
54
|
57
|
65
|
62
|
61
|
61
|
73
|
40
|
45
|
44
|
48
|
64
|
102
|
70
|
82
|
44
|
46
|
55
|
17
|
56
|
63
|
51
|
44
|
46
|
57
|
58
|
|
2025/11
|
38
|
46
|
57
|
49
|
25
|
24
|
23
|
20
|
13
|
42
|
39
|
29
|
42
|
40
|
53
|
64
|
41
|
33
|
38
|
42
|
44
|
48
|
51
|
62
|
75
|
67
|
90
|
82
|
60
|
50
|
|
|
2025/10
|
29
|
35
|
38
|
33
|
33
|
33
|
37
|
43
|
38
|
33
|
35
|
45
|
46
|
25
|
33
|
25
|
29
|
17
|
15
|
23
|
21
|
31
|
32
|
33
|
36
|
45
|
37
|
45
|
43
|
31
|
26
|
|
2025/09
|
18
|
20
|
23
|
30
|
35
|
26
|
28
|
31
|
16
|
22
|
23
|
25
|
24
|
24
|
27
|
35
|
31
|
24
|
26
|
18
|
19
|
26
|
28
|
19
|
20
|
26
|
32
|
39
|
38
|
31
|
|
|
2025/08
|
26
|
31
|
27
|
26
|
22
|
14
|
17
|
21
|
26
|
32
|
34
|
23
|
18
|
17
|
17
|
20
|
22
|
24
|
24
|
24
|
21
|
19
|
22
|
32
|
31
|
23
|
24
|
21
|
24
|
27
|
27
|
|
2025/07
|
19
|
20
|
21
|
25
|
27
|
21
|
21
|
17
|
14
|
21
|
19
|
13
|
13
|
22
|
25
|
25
|
27
|
28
|
17
|
10
|
10
|
10
|
10
|
13
|
18
|
15
|
13
|
16
|
17
|
16
|
14
|
|
2025/06
|
10
|
11
|
18
|
30
|
29
|
28
|
29
|
14
|
13
|
15
|
13
|
17
|
16
|
12
|
9
|
26
|
29
|
16
|
19
|
19
|
16
|
10
|
12
|
16
|
22
|
24
|
21
|
17
|
16
|
25
|
|
|
2025/05
|
41
|
45
|
51
|
51
|
19
|
84
|
128
|
43
|
14
|
35
|
33
|
34
|
36
|
37
|
53
|
30
|
18
|
39
|
26
|
20
|
18
|
22
|
11
|
55
|
52
|
44
|
48
|
40
|
18
|
24
|
31
|
|
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