Air Quality
Excellent
No health implications.
21
PM2.5
33
PM10
85
O3
0.7
CO
5
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Mar
57
Good
Wed
25 Mar
57
Good
Thu
26 Mar
62
Good
Fri
27 Mar
65
Good
Sat
28 Mar
53
Good
Sun
29 Mar
52
Good
Mon
30 Mar
42
Excellent
Air quality in the last 12 months (Chao'an)
|
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
|
|
|
2025/08
|
24
|
21
|
17
|
11
|
13
|
26
|
38
|
39
|
21
|
16
|
13
|
22
|
32
|
12
|
22
|
26
|
20
|
14
|
13
|
28
|
29
|
35
|
28
|
20
|
27
|
22
|
22
|
23
|
24
|
17
|
30
|
|
2025/07
|
15
|
19
|
22
|
27
|
13
|
19
|
39
|
38
|
29
|
13
|
10
|
32
|
34
|
34
|
30
|
36
|
37
|
26
|
22
|
21
|
19
|
13
|
24
|
32
|
25
|
29
|
36
|
29
|
23
|
33
|
25
|
|
2025/06
|
37
|
27
|
20
|
19
|
33
|
31
|
34
|
24
|
22
|
17
|
21
|
23
|
16
|
27
|
26
|
15
|
17
|
24
|
14
|
13
|
14
|
17
|
21
|
18
|
19
|
15
|
13
|
13
|
11
|
13
|
|
|
2025/05
|
54
|
57
|
49
|
36
|
39
|
33
|
33
|
50
|
40
|
28
|
27
|
41
|
40
|
41
|
29
|
20
|
21
|
24
|
27
|
24
|
21
|
27
|
22
|
23
|
21
|
33
|
36
|
30
|
13
|
23
|
34
|
|
2025/04
|
23
|
40
|
51
|
55
|
38
|
50
|
66
|
68
|
63
|
41
|
49
|
47
|
121
|
101
|
101
|
79
|
62
|
57
|
36
|
40
|
36
|
32
|
33
|
33
|
15
|
20
|
36
|
49
|
40
|
45
|
|
|
2025/03
|
103
|
42
|
34
|
32
|
15
|
17
|
22
|
30
|
38
|
44
|
59
|
84
|
65
|
25
|
46
|
14
|
41
|
56
|
47
|
51
|
56
|
54
|
65
|
74
|
69
|
49
|
27
|
52
|
30
|
12
|
12
|
|
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