Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
69
O3
0.5
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
43
Excellent
Fri
2 May
53
Good
Sat
3 May
50
Excellent
Sun
4 May
49
Excellent
Mon
5 May
40
Excellent
Tue
6 May
37
Excellent
Wed
7 May
49
Excellent
Air quality in the last 12 months (Tunchang)
|
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
|
|
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
|
|
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