Air Quality
Excellent
No health implications.
24
PM2.5
39
PM10
35
O3
0.6
CO
8
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Nov
55
Good
Mon
17 Nov
47
Excellent
Tue
18 Nov
39
Excellent
Wed
19 Nov
34
Excellent
Thu
20 Nov
40
Excellent
Fri
21 Nov
44
Excellent
Sat
22 Nov
27
Excellent
Air quality in the last 12 months (Hua'an)
|
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
|
|
|
2025/08
|
21
|
22
|
15
|
14
|
13
|
21
|
24
|
28
|
24
|
17
|
17
|
21
|
20
|
8
|
16
|
15
|
20
|
19
|
15
|
15
|
18
|
23
|
27
|
24
|
20
|
16
|
14
|
19
|
20
|
23
|
26
|
|
2025/07
|
29
|
20
|
23
|
24
|
16
|
18
|
21
|
30
|
30
|
12
|
11
|
21
|
26
|
18
|
28
|
31
|
31
|
20
|
11
|
12
|
9
|
10
|
15
|
18
|
15
|
17
|
17
|
15
|
19
|
18
|
19
|
|
2025/06
|
27
|
25
|
11
|
16
|
25
|
32
|
36
|
38
|
23
|
24
|
25
|
17
|
16
|
16
|
13
|
16
|
17
|
22
|
17
|
15
|
14
|
17
|
19
|
23
|
21
|
17
|
17
|
17
|
20
|
23
|
|
|
2025/05
|
52
|
44
|
43
|
46
|
27
|
29
|
29
|
44
|
25
|
28
|
22
|
29
|
39
|
36
|
31
|
23
|
21
|
23
|
21
|
25
|
25
|
32
|
26
|
14
|
29
|
37
|
35
|
25
|
8
|
16
|
35
|
|
2025/04
|
15
|
33
|
40
|
49
|
46
|
46
|
50
|
55
|
64
|
34
|
41
|
48
|
98
|
74
|
72
|
63
|
56
|
53
|
41
|
28
|
36
|
35
|
27
|
26
|
16
|
12
|
28
|
27
|
34
|
45
|
|
|
2025/03
|
42
|
29
|
25
|
23
|
12
|
10
|
18
|
30
|
39
|
41
|
44
|
43
|
25
|
28
|
25
|
9
|
42
|
36
|
38
|
43
|
45
|
47
|
53
|
63
|
71
|
66
|
47
|
43
|
10
|
7
|
8
|
|
2025/02
|
36
|
24
|
10
|
27
|
39
|
47
|
14
|
40
|
34
|
33
|
33
|
78
|
39
|
32
|
37
|
49
|
41
|
61
|
34
|
34
|
20
|
20
|
13
|
22
|
41
|
57
|
57
|
46
|
|||
|
2025/01
|
60
|
59
|
52
|
40
|
44
|
51
|
53
|
55
|
56
|
46
|
39
|
38
|
47
|
46
|
55
|
71
|
50
|
46
|
45
|
42
|
48
|
53
|
48
|
40
|
28
|
19
|
18
|
34
|
98
|
35
|
29
|
|
2024/12
|
48
|
49
|
35
|
34
|
39
|
42
|
39
|
20
|
32
|
33
|
35
|
21
|
18
|
39
|
47
|
48
|
48
|
44
|
42
|
37
|
37
|
50
|
51
|
34
|
37
|
46
|
60
|
64
|
61
|
53
|
57
|
|
2024/11
|
10
|
13
|
26
|
31
|
34
|
31
|
23
|
23
|
32
|
37
|
32
|
23
|
17
|
25
|
29
|
19
|
20
|
15
|
13
|
12
|
11
|
20
|
23
|
27
|
18
|
13
|
23
|
24
|
31
|
42
|
|
|
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