Air Quality
Excellent
No health implications.
10
PM2.5
24
PM10
67
O3
0.2
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
35
Excellent
Mon
14 Jul
36
Excellent
Tue
15 Jul
30
Excellent
Wed
16 Jul
28
Excellent
Thu
17 Jul
31
Excellent
Fri
18 Jul
29
Excellent
Sat
19 Jul
44
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