Air Quality
Excellent
No health implications.
18
PM2.5
24
PM10
30
O3
0.5
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Dec
49
Excellent
Wed
25 Dec
43
Excellent
Thu
26 Dec
44
Excellent
Fri
27 Dec
46
Excellent
Sat
28 Dec
44
Excellent
Sun
29 Dec
44
Excellent
Mon
30 Dec
22
Excellent
Air quality in the last 12 months (Datian)
|
2024/11
|
13
|
14
|
24
|
27
|
33
|
33
|
25
|
26
|
29
|
36
|
31
|
22
|
15
|
19
|
25
|
16
|
19
|
12
|
11
|
14
|
14
|
21
|
25
|
25
|
17
|
13
|
29
|
25
|
33
|
40
|
|
|
2024/10
|
10
|
9
|
19
|
16
|
17
|
23
|
22
|
12
|
14
|
25
|
30
|
34
|
26
|
32
|
30
|
25
|
24
|
31
|
32
|
14
|
18
|
23
|
19
|
23
|
23
|
21
|
20
|
9
|
19
|
27
|
16
|
|
2024/09
|
35
|
30
|
31
|
23
|
19
|
16
|
16
|
17
|
15
|
26
|
34
|
38
|
23
|
23
|
20
|
26
|
16
|
17
|
20
|
18
|
19
|
9
|
7
|
15
|
21
|
20
|
22
|
16
|
21
|
15
|
|
|
2024/08
|
26
|
31
|
37
|
38
|
25
|
34
|
32
|
29
|
31
|
35
|
36
|
34
|
29
|
23
|
18
|
17
|
15
|
19
|
20
|
19
|
16
|
21
|
27
|
32
|
33
|
33
|
41
|
33
|
31
|
37
|
37
|
|
2024/07
|
19
|
20
|
22
|
22
|
24
|
20
|
21
|
19
|
21
|
24
|
24
|
20
|
20
|
27
|
28
|
29
|
21
|
22
|
22
|
21
|
25
|
29
|
26
|
18
|
15
|
8
|
10
|
20
|
20
|
27
|
20
|
|
2024/06
|
20
|
7
|
14
|
24
|
20
|
16
|
24
|
33
|
22
|
24
|
22
|
28
|
22
|
21
|
24
|
21
|
19
|
26
|
24
|
21
|
23
|
26
|
26
|
20
|
25
|
29
|
23
|
23
|
19
|
19
|
|
|
2024/05
|
22
|
14
|
27
|
34
|
29
|
30
|
43
|
40
|
42
|
46
|
49
|
34
|
16
|
27
|
33
|
42
|
48
|
47
|
40
|
19
|
10
|
9
|
23
|
30
|
30
|
21
|
19
|
21
|
22
|
32
|
30
|
|
2024/04
|
27
|
42
|
40
|
25
|
22
|
28
|
21
|
23
|
15
|
40
|
50
|
58
|
61
|
56
|
57
|
59
|
38
|
36
|
31
|
40
|
27
|
34
|
31
|
23
|
38
|
33
|
34
|
27
|
38
|
26
|
|
|
2024/03
|
16
|
20
|
38
|
50
|
65
|
23
|
22
|
46
|
55
|
53
|
34
|
38
|
60
|
60
|
33
|
50
|
57
|
32
|
31
|
49
|
52
|
66
|
60
|
46
|
34
|
28
|
39
|
37
|
38
|
48
|
31
|
|
2024/02
|
56
|
31
|
23
|
20
|
15
|
17
|
10
|
15
|
32
|
89
|
42
|
37
|
40
|
43
|
46
|
23
|
34
|
47
|
34
|
30
|
32
|
25
|
16
|
23
|
29
|
18
|
17
|
33
|
33
|
||
|
2024/01
|
81
|
70
|
29
|
39
|
52
|
61
|
62
|
66
|
53
|
39
|
49
|
61
|
50
|
51
|
57
|
54
|
44
|
56
|
54
|
30
|
18
|
14
|
23
|
36
|
44
|
50
|
56
|
56
|
45
|
36
|
45
|
|
2023/12
|
50
|
39
|
37
|
25
|
25
|
27
|
30
|
42
|
52
|
60
|
58
|
27
|
20
|
35
|
43
|
17
|
28
|
23
|
15
|
13
|
28
|
39
|
27
|
35
|
39
|
48
|
48
|
51
|
51
|
55
|
60
|
|
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