Air Quality
Excellent
No health implications.
16
PM2.5
29
PM10
58
O3
0.3
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
89
Good
Mon
20 Oct
87
Good
Tue
21 Oct
60
Good
Wed
22 Oct
60
Good
Thu
23 Oct
58
Good
Fri
24 Oct
31
Excellent
Sat
25 Oct
25
Excellent
Air quality in the last 12 months (Tunchang)
|
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
|
|
2024/11
|
46
|
43
|
29
|
24
|
40
|
45
|
47
|
47
|
49
|
41
|
43
|
42
|
46
|
48
|
37
|
35
|
27
|
26
|
26
|
8
|
15
|
26
|
28
|
24
|
22
|
27
|
31
|
36
|
40
|
42
|
|
|
2024/10
|
28
|
31
|
41
|
46
|
39
|
40
|
26
|
53
|
62
|
51
|
35
|
30
|
27
|
17
|
14
|
10
|
11
|
15
|
18
|
24
|
28
|
35
|
30
|
34
|
38
|
41
|
22
|
28
|
14
|
26
|
37
|
|
2024/09
|
14
|
16
|
16
|
24
|
28
|
17
|
15
|
25
|
20
|
12
|
12
|
18
|
22
|
18
|
24
|
25
|
20
|
20
|
13
|
10
|
15
|
11
|
12
|
14
|
22
|
26
|
24
|
20
|
20
|
20
|
|
|
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