Air Quality
Excellent
No health implications.
11
PM2.5
24
PM10
75
O3
0.4
CO
3
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Feb
48
Excellent
Sat
1 Mar
48
Excellent
Sun
2 Mar
41
Excellent
Mon
3 Mar
40
Excellent
Tue
4 Mar
37
Excellent
Wed
5 Mar
41
Excellent
Thu
6 Mar
43
Excellent
Air quality in the last 12 months (Ding'an)
|
2025/01
|
61
|
46
|
60
|
50
|
57
|
74
|
43
|
50
|
59
|
60
|
43
|
41
|
41
|
33
|
40
|
57
|
59
|
47
|
49
|
62
|
41
|
53
|
45
|
39
|
27
|
27
|
31
|
32
|
49
|
45
|
41
|
|
2024/12
|
36
|
31
|
30
|
29
|
34
|
34
|
49
|
37
|
35
|
27
|
30
|
42
|
35
|
37
|
53
|
42
|
36
|
45
|
44
|
49
|
48
|
46
|
51
|
53
|
49
|
41
|
57
|
63
|
56
|
42
|
54
|
|
2024/11
|
50
|
43
|
32
|
32
|
42
|
47
|
51
|
47
|
53
|
46
|
44
|
44
|
53
|
55
|
41
|
42
|
24
|
28
|
26
|
8
|
15
|
26
|
32
|
27
|
26
|
27
|
33
|
36
|
38
|
45
|
|
|
2024/10
|
30
|
31
|
42
|
47
|
38
|
40
|
33
|
53
|
62
|
51
|
37
|
32
|
27
|
19
|
15
|
12
|
12
|
16
|
19
|
26
|
30
|
38
|
28
|
36
|
40
|
45
|
24
|
29
|
19
|
32
|
41
|
|
2024/09
|
13
|
18
|
18
|
27
|
29
|
21
|
18
|
28
|
21
|
11
|
12
|
20
|
25
|
22
|
27
|
27
|
22
|
21
|
16
|
11
|
15
|
11
|
17
|
17
|
23
|
30
|
26
|
22
|
20
|
20
|
|
|
2024/08
|
22
|
23
|
20
|
22
|
22
|
25
|
24
|
24
|
23
|
27
|
26
|
25
|
21
|
22
|
24
|
22
|
17
|
18
|
22
|
20
|
21
|
21
|
19
|
23
|
18
|
22
|
21
|
23
|
27
|
21
|
16
|
|
2024/07
|
19
|
21
|
16
|
13
|
12
|
12
|
11
|
13
|
15
|
17
|
18
|
15
|
13
|
14
|
13
|
13
|
10
|
12
|
15
|
15
|
13
|
10
|
13
|
18
|
16
|
16
|
24
|
24
|
18
|
16
|
21
|
|
2024/06
|
16
|
21
|
17
|
20
|
21
|
21
|
17
|
22
|
22
|
18
|
20
|
21
|
23
|
23
|
24
|
28
|
24
|
22
|
23
|
21
|
18
|
12
|
11
|
12
|
18
|
13
|
11
|
17
|
15
|
22
|
|
|
2024/05
|
29
|
22
|
20
|
22
|
29
|
31
|
26
|
22
|
28
|
32
|
28
|
27
|
24
|
25
|
27
|
29
|
33
|
15
|
15
|
18
|
18
|
14
|
14
|
22
|
20
|
20
|
24
|
23
|
25
|
23
|
17
|
|
2024/04
|
34
|
30
|
31
|
30
|
29
|
38
|
36
|
39
|
33
|
27
|
35
|
33
|
38
|
37
|
37
|
32
|
27
|
32
|
32
|
33
|
29
|
27
|
32
|
36
|
27
|
40
|
47
|
39
|
33
|
35
|
|
|
2024/03
|
11
|
13
|
21
|
24
|
39
|
47
|
33
|
25
|
34
|
36
|
21
|
20
|
24
|
40
|
48
|
36
|
27
|
28
|
24
|
36
|
45
|
43
|
32
|
30
|
38
|
34
|
37
|
35
|
32
|
26
|
33
|
|
2024/02
|
22
|
21
|
20
|
19
|
19
|
21
|
28
|
11
|
15
|
45
|
46
|
49
|
38
|
31
|
32
|
34
|
31
|
20
|
25
|
35
|
29
|
29
|
31
|
31
|
23
|
29
|
27
|
25
|
26
|
||
|
1
|
2
|
3
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4
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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