Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
25
O3
0.6
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Sep
49
Excellent
Fri
4 Sep
52
Good
Sat
5 Sep
56
Good
Sun
6 Sep
58
Good
Mon
7 Sep
61
Good
Tue
8 Sep
39
Excellent
Wed
9 Sep
34
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