Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
123
*
PM10
81
O3
0.5
CO
3
SO2
6
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Apr
45
Excellent
Fri
18 Apr
44
Excellent
Sat
19 Apr
48
Excellent
Sun
20 Apr
52
Good
Mon
21 Apr
54
Good
Tue
22 Apr
34
Excellent
Wed
23 Apr
42
Excellent
Air quality in the last 12 months (Zhangbei)
|
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
|
|
|
2024/08
|
26
|
36
|
41
|
46
|
30
|
21
|
33
|
30
|
32
|
54
|
15
|
17
|
17
|
24
|
29
|
35
|
32
|
26
|
26
|
16
|
15
|
17
|
21
|
23
|
19
|
16
|
23
|
27
|
28
|
25
|
34
|
|
2024/07
|
18
|
29
|
25
|
25
|
24
|
21
|
24
|
27
|
52
|
49
|
46
|
36
|
24
|
38
|
41
|
27
|
18
|
21
|
26
|
25
|
45
|
52
|
39
|
34
|
32
|
21
|
28
|
22
|
17
|
40
|
30
|
|
2024/06
|
18
|
16
|
24
|
36
|
37
|
34
|
15
|
28
|
17
|
25
|
23
|
28
|
25
|
17
|
19
|
21
|
22
|
38
|
41
|
46
|
53
|
374
|
123
|
15
|
18
|
41
|
55
|
46
|
43
|
27
|
|
|
2024/05
|
26
|
31
|
41
|
61
|
42
|
35
|
31
|
30
|
50
|
135
|
65
|
26
|
28
|
46
|
27
|
48
|
44
|
58
|
58
|
38
|
47
|
60
|
69
|
43
|
30
|
30
|
19
|
21
|
48
|
31
|
21
|
|
2024/04
|
53
|
58
|
28
|
43
|
46
|
22
|
28
|
43
|
55
|
46
|
45
|
70
|
67
|
100
|
183
|
34
|
30
|
41
|
69
|
21
|
38
|
64
|
20
|
42
|
109
|
71
|
142
|
39
|
20
|
18
|
|
|
2024/03
|
25
|
70
|
28
|
57
|
50
|
14
|
24
|
19
|
35
|
46
|
29
|
19
|
26
|
36
|
62
|
106
|
30
|
164
|
59
|
22
|
58
|
38
|
42
|
45
|
34
|
71
|
185
|
198
|
80
|
26
|
18
|
|
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