Air Quality
Excellent
No health implications.
10
PM2.5
22
PM10
121
O3
0.4
CO
5
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Oct
73
Good
Sun
11 Oct
71
Good
Mon
12 Oct
70
Good
Tue
13 Oct
70
Good
Wed
14 Oct
67
Good
Thu
15 Oct
63
Good
Fri
16 Oct
46
Excellent
Air quality in the last 12 months (Hua'an)
|
2026/08
|
28
|
25
|
35
|
39
|
36
|
28
|
30
|
27
|
17
|
16
|
28
|
36
|
39
|
25
|
23
|
25
|
27
|
21
|
21
|
18
|
21
|
23
|
24
|
18
|
15
|
15
|
21
|
24
|
23
|
23
|
18
|
|
2026/07
|
19
|
20
|
21
|
16
|
19
|
18
|
14
|
21
|
25
|
34
|
34
|
29
|
21
|
15
|
17
|
18
|
18
|
20
|
22
|
23
|
33
|
40
|
39
|
47
|
28
|
12
|
13
|
13
|
24
|
30
|
34
|
|
2026/06
|
41
|
47
|
41
|
34
|
31
|
34
|
31
|
25
|
22
|
26
|
24
|
34
|
31
|
20
|
17
|
16
|
13
|
17
|
17
|
21
|
27
|
29
|
35
|
38
|
24
|
21
|
16
|
21
|
21
|
18
|
|
|
2026/05
|
29
|
35
|
32
|
22
|
27
|
32
|
37
|
36
|
24
|
30
|
33
|
47
|
37
|
18
|
16
|
20
|
26
|
29
|
31
|
29
|
23
|
24
|
28
|
31
|
28
|
29
|
33
|
35
|
38
|
35
|
41
|
|
2026/04
|
28
|
29
|
22
|
23
|
33
|
34
|
31
|
29
|
33
|
36
|
36
|
34
|
33
|
37
|
47
|
35
|
41
|
37
|
37
|
45
|
36
|
29
|
24
|
18
|
25
|
44
|
52
|
48
|
27
|
20
|
|
|
2026/03
|
15
|
27
|
21
|
22
|
23
|
25
|
35
|
40
|
39
|
29
|
43
|
45
|
40
|
43
|
42
|
37
|
38
|
37
|
38
|
41
|
41
|
42
|
46
|
44
|
43
|
40
|
45
|
30
|
36
|
48
|
30
|
|
2026/02
|
21
|
31
|
40
|
46
|
45
|
41
|
25
|
29
|
31
|
40
|
38
|
37
|
40
|
33
|
26
|
44
|
54
|
29
|
32
|
33
|
41
|
47
|
37
|
49
|
35
|
25
|
24
|
11
|
|||
|
2026/01
|
26
|
15
|
30
|
39
|
37
|
28
|
38
|
43
|
44
|
45
|
47
|
54
|
51
|
51
|
54
|
58
|
56
|
61
|
54
|
40
|
25
|
30
|
28
|
33
|
37
|
40
|
44
|
32
|
39
|
32
|
29
|
|
2025/12
|
42
|
38
|
41
|
48
|
46
|
41
|
46
|
41
|
44
|
40
|
42
|
48
|
37
|
25
|
37
|
44
|
49
|
49
|
55
|
50
|
47
|
29
|
34
|
43
|
17
|
23
|
30
|
38
|
40
|
40
|
42
|
|
2025/11
|
23
|
33
|
35
|
11
|
16
|
19
|
29
|
35
|
34
|
14
|
20
|
7
|
8
|
22
|
35
|
40
|
35
|
31
|
19
|
29
|
31
|
40
|
43
|
44
|
35
|
56
|
49
|
54
|
57
|
51
|
|
|
2025/10
|
37
|
27
|
29
|
33
|
28
|
23
|
28
|
28
|
30
|
29
|
29
|
32
|
30
|
24
|
24
|
27
|
31
|
24
|
20
|
12
|
8
|
10
|
17
|
21
|
22
|
28
|
37
|
30
|
16
|
24
|
24
|
|
2025/09
|
26
|
23
|
28
|
29
|
32
|
25
|
17
|
12
|
15
|
16
|
15
|
25
|
26
|
29
|
27
|
27
|
22
|
15
|
15
|
9
|
14
|
13
|
11
|
9
|
16
|
18
|
21
|
24
|
30
|
32
|
|
|
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