Air Quality
Excellent
No health implications.
25
PM2.5
46
PM10
61
O3
0.4
CO
2
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
56
Good
Thu
19 Mar
47
Excellent
Fri
20 Mar
48
Excellent
Sat
21 Mar
44
Excellent
Sun
22 Mar
48
Excellent
Mon
23 Mar
53
Good
Tue
24 Mar
28
Excellent
Air quality in the last 12 months (Datian)
|
2026/02
|
16
|
27
|
37
|
43
|
41
|
40
|
15
|
23
|
26
|
36
|
35
|
33
|
37
|
34
|
31
|
43
|
36
|
22
|
29
|
29
|
42
|
44
|
35
|
49
|
31
|
19
|
17
|
10
|
|||
|
2026/01
|
25
|
16
|
24
|
34
|
32
|
27
|
40
|
39
|
41
|
40
|
42
|
50
|
46
|
45
|
48
|
54
|
54
|
56
|
50
|
32
|
15
|
30
|
37
|
41
|
31
|
38
|
45
|
29
|
34
|
27
|
27
|
|
2025/12
|
43
|
34
|
46
|
43
|
38
|
37
|
42
|
39
|
43
|
35
|
42
|
47
|
35
|
22
|
31
|
43
|
41
|
49
|
52
|
49
|
49
|
25
|
31
|
41
|
15
|
24
|
27
|
34
|
37
|
37
|
39
|
|
2025/11
|
21
|
28
|
37
|
11
|
13
|
19
|
27
|
31
|
23
|
13
|
21
|
7
|
9
|
21
|
31
|
35
|
30
|
26
|
19
|
26
|
28
|
32
|
38
|
38
|
34
|
56
|
49
|
54
|
54
|
50
|
|
|
2025/10
|
33
|
25
|
28
|
30
|
29
|
25
|
26
|
26
|
29
|
24
|
25
|
31
|
32
|
20
|
21
|
24
|
28
|
24
|
17
|
10
|
8
|
10
|
18
|
20
|
23
|
26
|
39
|
28
|
18
|
21
|
24
|
|
2025/09
|
24
|
23
|
30
|
31
|
29
|
22
|
18
|
14
|
17
|
19
|
15
|
26
|
25
|
25
|
31
|
27
|
17
|
15
|
14
|
10
|
12
|
12
|
11
|
10
|
16
|
15
|
16
|
20
|
27
|
29
|
|
|
2025/08
|
27
|
22
|
19
|
18
|
17
|
20
|
26
|
30
|
26
|
24
|
22
|
26
|
20
|
13
|
15
|
14
|
18
|
19
|
20
|
15
|
18
|
27
|
30
|
27
|
21
|
18
|
15
|
18
|
17
|
18
|
25
|
|
2025/07
|
27
|
17
|
21
|
19
|
17
|
18
|
17
|
33
|
32
|
14
|
10
|
19
|
26
|
19
|
31
|
34
|
33
|
22
|
12
|
10
|
9
|
9
|
13
|
15
|
16
|
19
|
18
|
15
|
19
|
23
|
27
|
|
2025/06
|
29
|
28
|
13
|
15
|
28
|
33
|
37
|
37
|
21
|
23
|
23
|
13
|
18
|
19
|
17
|
17
|
24
|
23
|
20
|
20
|
18
|
18
|
22
|
24
|
24
|
21
|
20
|
18
|
25
|
25
|
|
|
2025/05
|
47
|
45
|
51
|
50
|
30
|
35
|
49
|
39
|
23
|
33
|
22
|
30
|
42
|
39
|
35
|
35
|
30
|
25
|
25
|
27
|
29
|
37
|
32
|
17
|
34
|
36
|
34
|
19
|
10
|
17
|
33
|
|
2025/04
|
15
|
28
|
36
|
46
|
50
|
45
|
50
|
55
|
65
|
35
|
43
|
55
|
102
|
79
|
74
|
61
|
60
|
59
|
44
|
25
|
38
|
38
|
25
|
22
|
10
|
8
|
26
|
32
|
38
|
43
|
|
|
2025/03
|
45
|
37
|
30
|
18
|
10
|
8
|
19
|
28
|
34
|
43
|
48
|
46
|
34
|
22
|
20
|
11
|
40
|
32
|
36
|
38
|
40
|
41
|
49
|
60
|
69
|
70
|
55
|
37
|
7
|
7
|
8
|
|
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