Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
22
O3
0.3
CO
5
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Aug
27
Excellent
Sat
30 Aug
25
Excellent
Sun
31 Aug
29
Excellent
Mon
1 Sep
29
Excellent
Tue
2 Sep
28
Excellent
Wed
3 Sep
27
Excellent
Thu
4 Sep
15
Excellent
Air quality in the last 12 months (Tunchang)
|
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
|
|
|
2024/08
|
20
|
19
|
17
|
20
|
21
|
22
|
21
|
20
|
20
|
23
|
23
|
22
|
20
|
19
|
21
|
20
|
15
|
18
|
21
|
18
|
20
|
19
|
19
|
20
|
17
|
20
|
18
|
21
|
24
|
20
|
14
|
|
2024/07
|
18
|
19
|
16
|
12
|
11
|
12
|
10
|
13
|
15
|
17
|
16
|
14
|
13
|
13
|
14
|
13
|
9
|
12
|
14
|
14
|
13
|
9
|
12
|
17
|
16
|
15
|
20
|
22
|
18
|
15
|
19
|
|
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