Air Quality
Excellent
No health implications.
5
PM2.5
19
PM10
38
O3
0.4
CO
7
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Oct
56
Good
Tue
28 Oct
69
Good
Wed
29 Oct
68
Good
Thu
30 Oct
71
Good
Fri
31 Oct
60
Good
Sat
1 Nov
26
Excellent
Sun
2 Nov
19
Excellent
Air quality in the last 12 months (Zhangbei)
|
2025/08
|
55
|
55
|
48
|
63
|
47
|
18
|
19
|
38
|
20
|
21
|
33
|
33
|
25
|
30
|
42
|
30
|
32
|
44
|
39
|
32
|
40
|
31
|
31
|
23
|
23
|
26
|
24
|
30
|
36
|
33
|
24
|
|
2025/07
|
25
|
24
|
35
|
31
|
19
|
15
|
22
|
25
|
34
|
39
|
40
|
38
|
15
|
23
|
37
|
12
|
15
|
21
|
41
|
18
|
16
|
21
|
31
|
23
|
28
|
32
|
30
|
27
|
26
|
18
|
30
|
|
2025/06
|
36
|
15
|
14
|
16
|
21
|
15
|
16
|
16
|
20
|
23
|
34
|
58
|
37
|
25
|
12
|
19
|
23
|
30
|
25
|
16
|
15
|
26
|
28
|
34
|
39
|
43
|
39
|
33
|
34
|
25
|
|
|
2025/05
|
18
|
18
|
15
|
20
|
73
|
20
|
40
|
66
|
28
|
36
|
21
|
31
|
33
|
24
|
30
|
74
|
25
|
18
|
16
|
45
|
31
|
35
|
40
|
35
|
35
|
23
|
19
|
28
|
42
|
55
|
24
|
|
2025/04
|
21
|
18
|
43
|
50
|
18
|
34
|
33
|
28
|
27
|
30
|
75
|
39
|
43
|
31
|
26
|
68
|
55
|
15
|
18
|
39
|
54
|
32
|
37
|
17
|
20
|
31
|
14
|
16
|
31
|
20
|
|
|
2025/03
|
58
|
25
|
23
|
38
|
41
|
21
|
32
|
55
|
60
|
83
|
119
|
48
|
49
|
52
|
32
|
21
|
22
|
19
|
17
|
21
|
29
|
41
|
126
|
66
|
42
|
113
|
29
|
22
|
21
|
17
|
17
|
|
2025/02
|
71
|
28
|
18
|
24
|
32
|
54
|
20
|
18
|
26
|
45
|
49
|
38
|
46
|
41
|
66
|
18
|
18
|
16
|
16
|
17
|
17
|
18
|
17
|
36
|
35
|
33
|
56
|
45
|
|||
|
2025/01
|
32
|
24
|
28
|
27
|
39
|
16
|
18
|
15
|
20
|
27
|
37
|
29
|
31
|
23
|
31
|
47
|
40
|
43
|
39
|
41
|
27
|
33
|
53
|
52
|
78
|
104
|
19
|
27
|
93
|
56
|
74
|
|
2024/12
|
34
|
18
|
20
|
18
|
19
|
22
|
16
|
24
|
23
|
27
|
33
|
33
|
31
|
30
|
32
|
28
|
24
|
18
|
29
|
35
|
17
|
25
|
27
|
44
|
54
|
27
|
23
|
45
|
74
|
59
|
36
|
|
2024/11
|
52
|
46
|
30
|
19
|
20
|
30
|
51
|
83
|
119
|
58
|
50
|
44
|
66
|
53
|
44
|
52
|
34
|
30
|
59
|
50
|
23
|
25
|
48
|
89
|
32
|
29
|
20
|
15
|
21
|
50
|
|
|
2024/10
|
12
|
15
|
21
|
35
|
44
|
29
|
13
|
24
|
32
|
27
|
35
|
42
|
63
|
45
|
34
|
48
|
62
|
24
|
18
|
21
|
30
|
16
|
33
|
38
|
51
|
58
|
15
|
24
|
23
|
36
|
51
|
|
2024/09
|
19
|
15
|
19
|
30
|
14
|
14
|
21
|
25
|
30
|
15
|
18
|
17
|
20
|
14
|
17
|
16
|
12
|
27
|
42
|
14
|
12
|
14
|
23
|
30
|
13
|
24
|
52
|
49
|
26
|
13
|
|
|
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