Air Quality
Excellent
No health implications.
18
PM2.5
36
PM10
104
O3
0.4
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Dec
57
Good
Tue
23 Dec
68
Good
Wed
24 Dec
66
Good
Thu
25 Dec
81
Good
Fri
26 Dec
83
Good
Sat
27 Dec
27
Excellent
Sun
28 Dec
29
Excellent
Air quality in the last 12 months (Tunchang)
|
2025/11
|
39
|
39
|
32
|
19
|
20
|
25
|
15
|
17
|
27
|
42
|
34
|
28
|
46
|
36
|
38
|
38
|
36
|
50
|
26
|
34
|
41
|
43
|
46
|
50
|
47
|
52
|
51
|
54
|
58
|
31
|
|
|
2025/10
|
15
|
13
|
12
|
16
|
20
|
13
|
20
|
17
|
20
|
23
|
21
|
15
|
9
|
11
|
15
|
21
|
23
|
30
|
34
|
29
|
19
|
18
|
21
|
24
|
37
|
41
|
33
|
31
|
30
|
18
|
37
|
|
2025/09
|
13
|
16
|
17
|
15
|
14
|
14
|
24
|
20
|
18
|
14
|
15
|
12
|
15
|
12
|
20
|
14
|
14
|
16
|
26
|
22
|
23
|
15
|
24
|
18
|
19
|
16
|
24
|
18
|
23
|
17
|
|
|
2025/08
|
29
|
31
|
32
|
27
|
27
|
36
|
31
|
24
|
22
|
21
|
18
|
20
|
18
|
18
|
14
|
10
|
12
|
8
|
13
|
20
|
20
|
14
|
20
|
22
|
17
|
13
|
14
|
14
|
15
|
21
|
18
|
|
2025/07
|
15
|
13
|
10
|
13
|
15
|
17
|
15
|
22
|
23
|
25
|
23
|
20
|
25
|
27
|
29
|
24
|
20
|
22
|
16
|
14
|
9
|
14
|
16
|
13
|
16
|
19
|
18
|
14
|
17
|
17
|
20
|
|
2025/06
|
19
|
18
|
26
|
25
|
16
|
17
|
20
|
22
|
21
|
26
|
17
|
13
|
12
|
11
|
15
|
16
|
18
|
14
|
13
|
14
|
15
|
11
|
12
|
14
|
9
|
10
|
13
|
13
|
17
|
15
|
|
|
2025/05
|
21
|
20
|
26
|
24
|
19
|
21
|
19
|
16
|
22
|
15
|
21
|
35
|
20
|
12
|
11
|
17
|
14
|
17
|
16
|
16
|
17
|
14
|
15
|
14
|
24
|
32
|
24
|
16
|
14
|
13
|
12
|
|
2025/04
|
17
|
29
|
29
|
31
|
33
|
16
|
29
|
30
|
31
|
33
|
31
|
30
|
128
|
156
|
125
|
102
|
82
|
46
|
33
|
28
|
24
|
26
|
24
|
25
|
27
|
20
|
17
|
23
|
27
|
25
|
|
|
2025/03
|
25
|
23
|
28
|
28
|
29
|
13
|
20
|
14
|
29
|
33
|
30
|
24
|
20
|
19
|
26
|
15
|
29
|
35
|
45
|
47
|
41
|
40
|
37
|
42
|
41
|
35
|
38
|
36
|
17
|
9
|
15
|
|
2025/02
|
28
|
18
|
28
|
24
|
25
|
33
|
40
|
29
|
51
|
40
|
27
|
16
|
25
|
23
|
16
|
20
|
27
|
43
|
42
|
32
|
34
|
21
|
18
|
25
|
22
|
30
|
31
|
25
|
|||
|
2025/01
|
59
|
44
|
55
|
47
|
56
|
68
|
42
|
47
|
55
|
63
|
47
|
45
|
40
|
27
|
39
|
56
|
57
|
47
|
48
|
53
|
37
|
48
|
40
|
36
|
24
|
28
|
27
|
31
|
47
|
42
|
36
|
|
2024/12
|
35
|
33
|
32
|
29
|
33
|
32
|
47
|
39
|
34
|
26
|
29
|
42
|
35
|
37
|
54
|
43
|
35
|
45
|
46
|
50
|
48
|
48
|
50
|
52
|
50
|
37
|
52
|
58
|
56
|
41
|
53
|
|
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