Air Quality
Excellent
No health implications.
12
PM2.5
30
PM10
65
O3
0.4
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Dec
53
Good
Wed
17 Dec
54
Good
Thu
18 Dec
57
Good
Fri
19 Dec
51
Good
Sat
20 Dec
51
Good
Sun
21 Dec
55
Good
Mon
22 Dec
23
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