Air Quality
Excellent
No health implications.
19
PM2.5
41
PM10
87
O3
0.6
CO
8
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Oct
51
Good
Sun
25 Oct
53
Good
Mon
26 Oct
61
Good
Tue
27 Oct
54
Good
Wed
28 Oct
54
Good
Thu
29 Oct
50
Excellent
Fri
30 Oct
21
Excellent
Air quality in the last 12 months (Chao'an)
|
2026/08
|
14
|
13
|
29
|
46
|
40
|
42
|
40
|
41
|
31
|
25
|
43
|
43
|
33
|
23
|
18
|
30
|
38
|
22
|
22
|
17
|
21
|
21
|
26
|
24
|
20
|
24
|
23
|
27
|
35
|
30
|
20
|
|
2026/07
|
18
|
20
|
18
|
16
|
17
|
15
|
17
|
19
|
25
|
33
|
40
|
38
|
18
|
17
|
20
|
18
|
19
|
25
|
29
|
25
|
38
|
42
|
42
|
43
|
36
|
22
|
17
|
17
|
19
|
31
|
26
|
|
2026/06
|
50
|
43
|
32
|
31
|
32
|
37
|
24
|
21
|
24
|
28
|
35
|
40
|
29
|
15
|
18
|
15
|
16
|
15
|
21
|
21
|
25
|
28
|
27
|
33
|
34
|
26
|
22
|
24
|
18
|
17
|
|
|
2026/05
|
36
|
43
|
41
|
25
|
30
|
39
|
39
|
45
|
38
|
40
|
54
|
67
|
42
|
19
|
23
|
29
|
32
|
32
|
33
|
27
|
21
|
31
|
30
|
31
|
26
|
25
|
28
|
35
|
36
|
49
|
55
|
|
2026/04
|
33
|
32
|
45
|
48
|
28
|
37
|
36
|
37
|
44
|
34
|
32
|
29
|
27
|
25
|
32
|
35
|
35
|
49
|
41
|
41
|
31
|
32
|
26
|
19
|
27
|
44
|
50
|
37
|
31
|
22
|
|
|
2026/03
|
23
|
51
|
28
|
34
|
35
|
27
|
45
|
35
|
36
|
37
|
42
|
53
|
45
|
43
|
38
|
40
|
36
|
46
|
50
|
35
|
38
|
42
|
43
|
40
|
55
|
37
|
39
|
33
|
40
|
47
|
44
|
|
2026/02
|
29
|
33
|
45
|
51
|
57
|
51
|
35
|
39
|
38
|
36
|
49
|
43
|
48
|
45
|
39
|
38
|
36
|
38
|
38
|
55
|
59
|
66
|
60
|
77
|
44
|
24
|
48
|
12
|
|||
|
2026/01
|
39
|
24
|
33
|
51
|
51
|
30
|
45
|
49
|
51
|
57
|
59
|
60
|
68
|
57
|
59
|
64
|
67
|
59
|
62
|
35
|
39
|
41
|
45
|
45
|
38
|
58
|
57
|
30
|
39
|
45
|
33
|
|
2025/12
|
35
|
44
|
43
|
49
|
42
|
41
|
51
|
55
|
49
|
43
|
49
|
47
|
44
|
36
|
45
|
53
|
61
|
53
|
58
|
50
|
78
|
40
|
40
|
44
|
31
|
27
|
35
|
44
|
46
|
52
|
40
|
|
2025/11
|
29
|
39
|
44
|
23
|
21
|
34
|
31
|
35
|
45
|
27
|
27
|
20
|
19
|
27
|
43
|
44
|
44
|
37
|
24
|
39
|
41
|
50
|
57
|
60
|
42
|
62
|
55
|
64
|
73
|
59
|
|
|
2025/10
|
23
|
23
|
28
|
30
|
19
|
20
|
35
|
33
|
33
|
27
|
28
|
25
|
19
|
23
|
25
|
34
|
36
|
38
|
32
|
23
|
15
|
19
|
25
|
34
|
34
|
47
|
44
|
41
|
29
|
38
|
39
|
|
2025/09
|
27
|
35
|
35
|
28
|
22
|
27
|
15
|
15
|
17
|
22
|
24
|
24
|
23
|
22
|
20
|
26
|
22
|
22
|
12
|
14
|
18
|
24
|
22
|
22
|
23
|
28
|
26
|
24
|
32
|
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