Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Nov
Wed
11 Nov
Thu
12 Nov
Fri
13 Nov
Sat
14 Nov
Sun
15 Nov
Mon
16 Nov
Real-time AQI (Monitoring Station in Zhangjiakou)
人民公园
5536
PM2.5
56 *
PM10
28
O3
0.3
CO
6
SO2
51
NO2
世纪豪园
5636
PM2.5
58 *
PM10
18
O3
0.8
CO
8
SO2
57
NO2
青少年活动中心
3625
PM2.5
27
PM10
30
O3
0.3
CO
12
SO2
38
NO2
Air quality in the last 12 months (Zhangjiakou)
|
2026/09
|
23
|
27
|
28
|
29
|
32
|
37
|
28
|
21
|
22
|
22
|
24
|
29
|
25
|
23
|
33
|
41
|
42
|
56
|
52
|
28
|
27
|
32
|
39
|
36
|
32
|
22
|
23
|
22
|
32
|
18
|
|
|
2026/08
|
31
|
30
|
26
|
32
|
27
|
27
|
27
|
27
|
33
|
43
|
39
|
26
|
24
|
24
|
30
|
26
|
25
|
29
|
36
|
34
|
39
|
43
|
38
|
35
|
32
|
27
|
27
|
30
|
29
|
21
|
20
|
|
2026/07
|
33
|
34
|
51
|
34
|
28
|
25
|
26
|
27
|
34
|
28
|
36
|
39
|
45
|
28
|
35
|
27
|
37
|
31
|
32
|
38
|
34
|
32
|
33
|
32
|
36
|
39
|
37
|
37
|
30
|
29
|
30
|
|
2026/06
|
35
|
46
|
29
|
24
|
24
|
23
|
22
|
22
|
20
|
20
|
26
|
34
|
33
|
30
|
44
|
35
|
33
|
41
|
50
|
26
|
28
|
36
|
36
|
25
|
29
|
30
|
35
|
40
|
55
|
36
|
|
|
2026/05
|
43
|
36
|
26
|
31
|
50
|
47
|
29
|
33
|
54
|
36
|
32
|
61
|
71
|
72
|
65
|
49
|
30
|
32
|
39
|
41
|
44
|
37
|
48
|
58
|
53
|
40
|
39
|
30
|
28
|
36
|
39
|
|
2026/04
|
33
|
51
|
72
|
89
|
57
|
28
|
33
|
54
|
40
|
31
|
40
|
48
|
62
|
60
|
74
|
48
|
58
|
70
|
159
|
78
|
42
|
38
|
61
|
55
|
52
|
40
|
69
|
27
|
28
|
36
|
|
|
2026/03
|
86
|
85
|
59
|
47
|
43
|
26
|
39
|
52
|
28
|
36
|
27
|
57
|
81
|
26
|
36
|
52
|
73
|
28
|
29
|
37
|
85
|
46
|
59
|
87
|
61
|
42
|
28
|
42
|
39
|
27
|
41
|
|
2026/02
|
21
|
25
|
48
|
57
|
25
|
12
|
16
|
26
|
50
|
58
|
37
|
54
|
56
|
46
|
25
|
21
|
44
|
34
|
52
|
101
|
220
|
33
|
36
|
54
|
79
|
44
|
62
|
51
|
|||
|
2026/01
|
23
|
27
|
32
|
20
|
22
|
28
|
31
|
61
|
81
|
32
|
29
|
44
|
38
|
85
|
107
|
27
|
41
|
33
|
18
|
14
|
19
|
33
|
31
|
23
|
36
|
53
|
29
|
44
|
37
|
54
|
23
|
|
2025/12
|
22
|
24
|
32
|
25
|
42
|
60
|
45
|
31
|
54
|
51
|
28
|
51
|
26
|
52
|
59
|
39
|
40
|
71
|
71
|
20
|
29
|
63
|
39
|
25
|
22
|
41
|
43
|
50
|
28
|
23
|
22
|
|
2025/11
|
22
|
22
|
40
|
57
|
72
|
87
|
56
|
49
|
29
|
33
|
47
|
47
|
32
|
50
|
60
|
24
|
17
|
24
|
32
|
25
|
37
|
51
|
88
|
42
|
41
|
67
|
40
|
80
|
94
|
84
|
|
|
2025/10
|
38
|
44
|
38
|
40
|
45
|
37
|
32
|
23
|
11
|
14
|
27
|
30
|
41
|
41
|
46
|
32
|
13
|
17
|
14
|
18
|
25
|
36
|
58
|
63
|
39
|
15
|
26
|
41
|
67
|
26
|
21
|
|
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
*: primary pollution