Air Quality
Excellent
No health implications.
12
PM2.5
26
PM10
82
O3
0.4
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
35
Excellent
Sat
19 Sep
35
Excellent
Sun
20 Sep
44
Excellent
Mon
21 Sep
55
Good
Tue
22 Sep
52
Good
Wed
23 Sep
73
Good
Thu
24 Sep
23
Excellent
Air quality in the last 12 months (Tunchang)
|
2026/08
|
14
|
14
|
17
|
16
|
14
|
14
|
15
|
18
|
25
|
29
|
35
|
22
|
21
|
26
|
23
|
21
|
22
|
27
|
19
|
17
|
15
|
16
|
17
|
19
|
16
|
20
|
24
|
23
|
21
|
18
|
19
|
|
2026/07
|
17
|
15
|
15
|
15
|
21
|
16
|
14
|
16
|
28
|
17
|
21
|
19
|
22
|
23
|
22
|
23
|
22
|
26
|
37
|
39
|
37
|
39
|
29
|
34
|
32
|
26
|
23
|
19
|
16
|
14
|
13
|
|
2026/06
|
23
|
26
|
26
|
27
|
24
|
22
|
21
|
23
|
22
|
26
|
31
|
23
|
20
|
21
|
27
|
27
|
25
|
23
|
24
|
23
|
21
|
23
|
22
|
27
|
27
|
29
|
25
|
21
|
21
|
19
|
|
|
2026/05
|
30
|
26
|
28
|
24
|
27
|
23
|
20
|
23
|
17
|
24
|
25
|
23
|
24
|
27
|
27
|
20
|
19
|
18
|
20
|
20
|
22
|
20
|
20
|
22
|
22
|
26
|
25
|
24
|
27
|
27
|
20
|
|
2026/04
|
44
|
39
|
34
|
41
|
51
|
49
|
49
|
47
|
34
|
36
|
45
|
44
|
40
|
37
|
39
|
36
|
31
|
27
|
33
|
31
|
29
|
33
|
47
|
33
|
26
|
29
|
20
|
25
|
29
|
26
|
|
|
2026/03
|
15
|
20
|
26
|
12
|
19
|
28
|
32
|
35
|
31
|
26
|
32
|
33
|
42
|
46
|
40
|
38
|
29
|
27
|
28
|
24
|
25
|
26
|
28
|
28
|
26
|
27
|
32
|
34
|
32
|
27
|
34
|
|
2026/02
|
28
|
31
|
30
|
35
|
31
|
23
|
21
|
35
|
38
|
32
|
28
|
23
|
30
|
29
|
28
|
29
|
33
|
37
|
36
|
36
|
38
|
29
|
26
|
28
|
34
|
31
|
35
|
19
|
|||
|
2026/01
|
32
|
43
|
35
|
39
|
44
|
55
|
47
|
40
|
45
|
42
|
48
|
45
|
53
|
48
|
36
|
37
|
37
|
42
|
31
|
37
|
48
|
51
|
44
|
39
|
21
|
26
|
31
|
38
|
31
|
30
|
29
|
|
2025/12
|
35
|
21
|
31
|
49
|
40
|
48
|
39
|
60
|
51
|
40
|
43
|
31
|
35
|
26
|
45
|
37
|
47
|
48
|
43
|
36
|
30
|
41
|
34
|
33
|
31
|
35
|
39
|
39
|
38
|
34
|
43
|
|
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
|
|
|
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