Air Quality
Excellent
No health implications.
8
PM2.5
14
PM10
57
O3
0.3
CO
1
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Oct
35
Excellent
Fri
1 Nov
43
Excellent
Sat
2 Nov
37
Excellent
Sun
3 Nov
41
Excellent
Mon
4 Nov
40
Excellent
Tue
5 Nov
44
Excellent
Wed
6 Nov
40
Excellent
Air quality in the last 12 months (Hua'an)
|
2024/09
|
30
|
29
|
35
|
26
|
21
|
13
|
14
|
20
|
15
|
30
|
37
|
40
|
25
|
26
|
18
|
21
|
16
|
16
|
24
|
19
|
19
|
10
|
8
|
12
|
16
|
20
|
22
|
16
|
18
|
12
|
|
|
2024/08
|
22
|
25
|
31
|
37
|
28
|
34
|
27
|
27
|
28
|
37
|
35
|
29
|
23
|
21
|
19
|
17
|
18
|
19
|
16
|
14
|
14
|
20
|
25
|
26
|
32
|
34
|
34
|
29
|
30
|
33
|
32
|
|
2024/07
|
17
|
17
|
18
|
19
|
18
|
16
|
15
|
15
|
14
|
20
|
21
|
18
|
19
|
22
|
20
|
20
|
18
|
19
|
19
|
18
|
21
|
27
|
32
|
23
|
13
|
7
|
9
|
15
|
19
|
21
|
12
|
|
2024/06
|
14
|
7
|
18
|
20
|
22
|
22
|
22
|
28
|
20
|
20
|
17
|
22
|
22
|
18
|
19
|
19
|
14
|
19
|
18
|
18
|
19
|
27
|
22
|
16
|
19
|
23
|
18
|
18
|
15
|
16
|
|
|
2024/05
|
25
|
17
|
30
|
36
|
22
|
31
|
46
|
43
|
44
|
47
|
42
|
30
|
18
|
26
|
36
|
51
|
51
|
51
|
43
|
18
|
11
|
9
|
21
|
20
|
25
|
17
|
14
|
20
|
25
|
36
|
28
|
|
2024/04
|
31
|
43
|
37
|
35
|
24
|
27
|
17
|
25
|
16
|
35
|
45
|
50
|
60
|
48
|
51
|
48
|
40
|
34
|
29
|
36
|
20
|
28
|
27
|
21
|
29
|
21
|
27
|
18
|
26
|
26
|
|
|
2024/03
|
11
|
21
|
38
|
49
|
49
|
31
|
25
|
47
|
58
|
53
|
32
|
32
|
61
|
61
|
40
|
58
|
53
|
36
|
38
|
50
|
55
|
60
|
55
|
38
|
34
|
35
|
45
|
40
|
39
|
50
|
30
|
|
2024/02
|
45
|
30
|
24
|
19
|
21
|
21
|
14
|
12
|
35
|
80
|
39
|
37
|
39
|
38
|
41
|
31
|
36
|
51
|
29
|
27
|
23
|
28
|
26
|
33
|
40
|
31
|
23
|
41
|
38
|
||
|
2024/01
|
70
|
69
|
32
|
37
|
54
|
60
|
61
|
79
|
64
|
40
|
55
|
68
|
55
|
49
|
57
|
67
|
47
|
50
|
52
|
33
|
25
|
19
|
16
|
32
|
45
|
57
|
67
|
61
|
53
|
41
|
46
|
|
2023/12
|
42
|
39
|
40
|
38
|
32
|
34
|
30
|
45
|
52
|
56
|
52
|
35
|
29
|
45
|
40
|
16
|
23
|
25
|
28
|
12
|
20
|
39
|
30
|
30
|
40
|
49
|
51
|
53
|
50
|
58
|
60
|
|
2023/11
|
35
|
37
|
43
|
52
|
52
|
41
|
36
|
46
|
48
|
45
|
16
|
15
|
18
|
31
|
27
|
24
|
46
|
53
|
57
|
50
|
46
|
43
|
45
|
54
|
45
|
38
|
48
|
52
|
54
|
52
|
|
|
2023/10
|
33
|
30
|
40
|
36
|
23
|
24
|
16
|
16
|
19
|
21
|
21
|
25
|
29
|
31
|
41
|
43
|
50
|
55
|
61
|
31
|
21
|
22
|
25
|
34
|
45
|
41
|
28
|
23
|
32
|
38
|
36
|
|
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