Air Quality
Excellent
No health implications.
20
PM2.5
29
PM10
36
O3
0.6
CO
10
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jan
46
Excellent
Sat
24 Jan
46
Excellent
Sun
25 Jan
47
Excellent
Mon
26 Jan
50
Excellent
Tue
27 Jan
46
Excellent
Wed
28 Jan
50
Excellent
Thu
29 Jan
29
Excellent
Air quality in the last 12 months (Hua'an)
|
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
|
|
|
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
|
|
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