Hebei - China   2025-09-18   Thursday   41.95N, 117.76E

Weichang

Hebei - China
2025-09-18

Air Quality

Excellent

No health implications.

3

PM2.5

6

PM10

79

O3

0.4

CO

12

SO2

3

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

18 Sep

52 Good

Fri

19 Sep

57 Good

Sat

20 Sep

54 Good

Sun

21 Sep

58 Good

Mon

22 Sep

59 Good

Tue

23 Sep

62 Good

Wed

24 Sep

37 Excellent

Weichang Air quality rank

Monthly Average AQI (Weichang)

2020/09 - 2025/08

Air quality in the last 12 months (Weichang)

2025/08
27
36
24
21
18
19
14
19
15
17
21
15
15
17
23
17
18
21
21
17
16
13
16
16
16
12
12
13
18
21
20
2025/07
25
24
21
20
21
17
22
25
28
37
41
35
18
21
22
15
17
18
30
18
16
22
31
22
16
25
13
16
16
18
19
2025/06
31
28
25
21
23
21
18
25
29
18
28
45
31
39
16
17
26
39
26
19
17
25
31
43
50
48
47
28
35
26
2025/05
18
23
22
22
34
23
37
66
25
43
35
34
50
30
32
47
33
14
20
42
53
79
34
31
43
40
22
29
51
53
41
2025/04
23
17
31
48
16
30
49
28
36
34
60
71
40
28
39
56
47
18
16
37
44
34
53
25
25
48
23
23
48
30
2025/03
62
38
42
49
39
22
43
75
80
94
146
41
39
51
37
26
30
20
20
22
31
32
97
42
32
104
30
31
31
27
28
2025/02
78
65
18
17
23
33
19
13
18
34
64
31
43
37
70
23
21
24
18
20
16
23
15
22
29
31
58
61
2025/01
39
21
25
34
33
18
19
18
15
21
32
26
25
24
25
43
41
38
31
42
30
35
72
86
107
73
15
22
101
28
60
2024/12
35
20
25
22
22
24
17
25
28
37
36
47
18
23
25
26
19
21
35
38
19
21
34
51
54
20
22
29
55
52
30
2024/11
70
60
34
20
25
29
57
101
96
59
43
47
53
53
46
32
23
31
48
43
20
25
43
72
47
21
27
18
19
22
2024/10
16
14
17
33
56
34
18
28
40
22
29
55
87
60
24
42
51
32
18
27
39
19
32
32
53
70
25
28
34
23
62
2024/09
17
17
21
27
19
21
18
23
23
16
24
26
21
15
18
19
20
20
35
15
16
16
19
31
28
21
36
45
46
11
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