Air Quality
Excellent
No health implications.
8
PM2.5
12
PM10
29
O3
0.4
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
35
Excellent
Wed
29 Jul
44
Excellent
Thu
30 Jul
48
Excellent
Fri
31 Jul
48
Excellent
Sat
1 Aug
45
Excellent
Sun
2 Aug
39
Excellent
Mon
3 Aug
40
Excellent
Air quality in the last 12 months (Hua'an)
|
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
|
|
|
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
|
|
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