Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
113
O3
0.7
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
87
Good
Tue
17 Feb
127
Light
Wed
18 Feb
55
Good
Thu
19 Feb
54
Good
Fri
20 Feb
57
Good
Sat
21 Feb
56
Good
Sun
22 Feb
18
Excellent
Air quality in the last 12 months (Tunxi)
|
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
|
|
2025/04
|
25
|
35
|
51
|
54
|
55
|
51
|
46
|
50
|
55
|
50
|
45
|
137
|
106
|
95
|
46
|
40
|
56
|
60
|
52
|
58
|
40
|
15
|
37
|
33
|
26
|
39
|
23
|
33
|
47
|
50
|
|
|
2025/03
|
41
|
43
|
17
|
16
|
30
|
48
|
46
|
50
|
65
|
71
|
65
|
40
|
25
|
31
|
17
|
39
|
33
|
34
|
40
|
29
|
34
|
40
|
49
|
52
|
50
|
60
|
49
|
66
|
40
|
57
|
33
|
|
2025/02
|
18
|
16
|
61
|
48
|
37
|
50
|
63
|
36
|
35
|
39
|
55
|
60
|
100
|
100
|
62
|
38
|
49
|
36
|
36
|
20
|
16
|
21
|
36
|
54
|
54
|
35
|
40
|
39
|
|||
|
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