Air Quality
Excellent
No health implications.
21
PM2.5
41
PM10
138
O3
0.4
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Dec
98
Good
Sun
22 Dec
96
Good
Mon
23 Dec
97
Good
Tue
24 Dec
96
Good
Wed
25 Dec
95
Good
Thu
26 Dec
99
Good
Fri
27 Dec
49
Excellent
Air quality in the last 12 months (Tunchang)
|
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
|
|
2024/06
|
17
|
22
|
16
|
21
|
22
|
21
|
19
|
21
|
21
|
17
|
20
|
20
|
22
|
23
|
24
|
26
|
22
|
22
|
21
|
20
|
17
|
10
|
10
|
12
|
18
|
12
|
11
|
16
|
14
|
19
|
|
|
2024/05
|
33
|
27
|
22
|
22
|
30
|
30
|
25
|
21
|
25
|
27
|
27
|
26
|
23
|
21
|
23
|
27
|
28
|
14
|
18
|
18
|
19
|
14
|
16
|
19
|
20
|
22
|
22
|
22
|
26
|
20
|
17
|
|
2024/04
|
34
|
32
|
34
|
35
|
34
|
34
|
35
|
40
|
31
|
24
|
31
|
32
|
37
|
38
|
37
|
32
|
26
|
31
|
33
|
35
|
32
|
31
|
33
|
35
|
28
|
41
|
47
|
40
|
35
|
36
|
|
|
2024/03
|
11
|
11
|
16
|
26
|
40
|
51
|
25
|
16
|
28
|
35
|
24
|
20
|
23
|
34
|
43
|
35
|
27
|
27
|
24
|
32
|
41
|
44
|
34
|
29
|
37
|
34
|
36
|
33
|
31
|
25
|
32
|
|
2024/02
|
23
|
24
|
21
|
20
|
20
|
22
|
31
|
12
|
14
|
44
|
42
|
46
|
36
|
31
|
31
|
34
|
31
|
24
|
29
|
32
|
29
|
30
|
33
|
28
|
24
|
25
|
23
|
23
|
31
|
||
|
2024/01
|
40
|
38
|
40
|
39
|
35
|
34
|
32
|
36
|
33
|
37
|
33
|
38
|
35
|
31
|
28
|
35
|
33
|
31
|
26
|
25
|
32
|
27
|
13
|
21
|
32
|
46
|
42
|
19
|
24
|
27
|
22
|
|
2023/12
|
39
|
38
|
41
|
44
|
55
|
38
|
28
|
35
|
31
|
25
|
22
|
24
|
27
|
22
|
22
|
21
|
13
|
20
|
22
|
22
|
31
|
35
|
46
|
44
|
44
|
44
|
44
|
41
|
28
|
31
|
47
|
|
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