Air Quality
Excellent
No health implications.
17
PM2.5
27
PM10
65
O3
0.4
CO
5
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
44
Excellent
Sat
20 Apr
43
Excellent
Sun
21 Apr
45
Excellent
Mon
22 Apr
45
Excellent
Tue
23 Apr
40
Excellent
Wed
24 Apr
38
Excellent
Thu
25 Apr
41
Excellent
Air quality in the last 12 months (Tunchang)
|
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
|
|
2023/11
|
29
|
25
|
23
|
23
|
20
|
16
|
35
|
16
|
18
|
20
|
14
|
18
|
29
|
31
|
33
|
28
|
35
|
52
|
56
|
55
|
45
|
30
|
31
|
46
|
45
|
41
|
52
|
64
|
35
|
42
|
|
|
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
|
|
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