Air Quality
Excellent
No health implications.
32
PM2.5
46
PM10
71
O3
0.8
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Dec
65
Good
Thu
7 Dec
63
Good
Fri
8 Dec
63
Good
Sat
9 Dec
58
Good
Sun
10 Dec
49
Excellent
Mon
11 Dec
49
Excellent
Tue
12 Dec
49
Excellent
Air quality in the last 12 months (Tunchang)
|
2023/10
|
20
|
25
|
21
|
28
|
28
|
31
|
34
|
34
|
26
|
21
|
16
|
27
|
31
|
36
|
46
|
40
|
35
|
21
|
18
|
15
|
18
|
24
|
33
|
28
|
21
|
18
|
12
|
13
|
22
|
31
|
40
|
|
2023/09
|
34
|
31
|
22
|
24
|
28
|
22
|
20
|
18
|
14
|
18
|
17
|
16
|
18
|
20
|
19
|
12
|
12
|
15
|
17
|
18
|
16
|
18
|
13
|
15
|
10
|
11
|
13
|
20
|
19
|
18
|
|
|
2023/08
|
18
|
16
|
13
|
17
|
24
|
28
|
29
|
22
|
22
|
27
|
25
|
23
|
25
|
25
|
25
|
28
|
27
|
26
|
24
|
18
|
16
|
18
|
19
|
18
|
20
|
22
|
23
|
21
|
19
|
20
|
28
|
|
2023/07
|
19
|
15
|
15
|
17
|
18
|
22
|
12
|
13
|
14
|
17
|
16
|
17
|
18
|
25
|
24
|
19
|
23
|
24
|
19
|
20
|
14
|
15
|
15
|
16
|
17
|
18
|
22
|
27
|
28
|
19
|
17
|
|
2023/06
|
30
|
26
|
26
|
24
|
18
|
18
|
18
|
22
|
24
|
23
|
21
|
27
|
26
|
24
|
27
|
23
|
23
|
20
|
20
|
20
|
22
|
21
|
21
|
21
|
23
|
18
|
14
|
17
|
18
|
19
|
|
|
2023/05
|
30
|
26
|
23
|
26
|
27
|
33
|
37
|
25
|
16
|
17
|
13
|
15
|
14
|
16
|
23
|
25
|
36
|
47
|
46
|
35
|
38
|
33
|
46
|
30
|
25
|
21
|
16
|
25
|
25
|
31
|
28
|
|
2023/04
|
31
|
30
|
28
|
30
|
35
|
35
|
35
|
20
|
32
|
32
|
37
|
32
|
36
|
37
|
32
|
44
|
37
|
36
|
41
|
51
|
54
|
43
|
33
|
21
|
30
|
27
|
25
|
22
|
26
|
25
|
|
|
2023/03
|
31
|
49
|
53
|
53
|
54
|
41
|
38
|
32
|
35
|
37
|
37
|
34
|
58
|
56
|
33
|
26
|
31
|
29
|
24
|
27
|
40
|
47
|
41
|
37
|
33
|
28
|
21
|
19
|
30
|
29
|
28
|
|
2023/02
|
25
|
25
|
38
|
27
|
26
|
21
|
19
|
18
|
21
|
21
|
19
|
20
|
24
|
27
|
27
|
36
|
30
|
31
|
36
|
59
|
51
|
43
|
31
|
43
|
72
|
42
|
42
|
31
|
|||
|
2023/01
|
37
|
36
|
46
|
32
|
41
|
42
|
53
|
27
|
24
|
15
|
23
|
22
|
21
|
23
|
32
|
21
|
19
|
24
|
35
|
41
|
41
|
49
|
37
|
40
|
56
|
31
|
31
|
54
|
56
|
52
|
40
|
|
2022/12
|
17
|
13
|
17
|
29
|
30
|
27
|
31
|
34
|
38
|
30
|
40
|
51
|
56
|
51
|
37
|
19
|
39
|
41
|
36
|
41
|
38
|
45
|
43
|
38
|
35
|
33
|
31
|
37
|
66
|
58
|
43
|
|
2022/11
|
45
|
47
|
35
|
28
|
21
|
21
|
19
|
17
|
23
|
24
|
22
|
19
|
19
|
19
|
23
|
23
|
24
|
24
|
25
|
33
|
25
|
9
|
11
|
13
|
16
|
18
|
14
|
16
|
16
|
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