Air Quality
Excellent
No health implications.
17
PM2.5
19
PM10
27
O3
0.7
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
51
Good
Tue
16 Jun
52
Good
Wed
17 Jun
52
Good
Thu
18 Jun
58
Good
Fri
19 Jun
56
Good
Sat
20 Jun
46
Excellent
Sun
21 Jun
45
Excellent
Air quality in the last 12 months (Chao'an)
|
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
|
|
|
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
|
|
|
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