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
23 Jan
Fri
24 Jan
Sat
25 Jan
Sun
26 Jan
Mon
27 Jan
Tue
28 Jan
Wed
29 Jan
Real-time AQI (Monitoring Station in Zhangjiakou)
人民公园
5942 *
PM2.5
46
PM10
42
O3
0.6
CO
3
SO2
11
NO2
五金库
5230
PM2.5
54 *
PM10
44
O3
0.6
CO
3
SO2
16
NO2
世纪豪园
5236
PM2.5
53
PM10
42
O3
0.8
CO
8
SO2
14
NO2
北泵房
4429
PM2.5
44
PM10
43
O3
0.7
CO
5
SO2
14
NO2
烟厂
4632
PM2.5
44
PM10
46
O3
0.7
CO
6
SO2
17
NO2
青少年活动中心
177
PM2.5
12
PM10
52
O3
0.1
CO
5
SO2
10
NO2
Air quality in the last 12 months (Zhangjiakou)
|
2024/12
|
36
|
17
|
20
|
18
|
18
|
18
|
14
|
19
|
25
|
28
|
34
|
33
|
32
|
28
|
29
|
29
|
22
|
16
|
34
|
32
|
14
|
22
|
28
|
45
|
55
|
23
|
21
|
44
|
75
|
66
|
37
|
|
2024/11
|
54
|
52
|
34
|
19
|
21
|
29
|
55
|
102
|
159
|
79
|
53
|
49
|
82
|
61
|
44
|
54
|
32
|
33
|
66
|
52
|
24
|
27
|
50
|
99
|
35
|
25
|
19
|
15
|
20
|
45
|
|
|
2024/10
|
12
|
15
|
23
|
38
|
52
|
46
|
15
|
27
|
37
|
28
|
38
|
48
|
81
|
60
|
44
|
49
|
64
|
26
|
17
|
24
|
38
|
18
|
37
|
43
|
65
|
93
|
20
|
30
|
27
|
41
|
64
|
|
2024/09
|
19
|
16
|
21
|
32
|
14
|
20
|
19
|
23
|
31
|
16
|
22
|
19
|
23
|
12
|
20
|
20
|
19
|
37
|
53
|
20
|
11
|
15
|
28
|
36
|
16
|
29
|
56
|
56
|
36
|
13
|
|
|
2024/08
|
21
|
28
|
31
|
30
|
28
|
25
|
35
|
34
|
29
|
46
|
13
|
13
|
16
|
26
|
32
|
37
|
32
|
28
|
27
|
18
|
17
|
18
|
28
|
30
|
26
|
17
|
23
|
27
|
32
|
33
|
44
|
|
2024/07
|
25
|
34
|
28
|
32
|
34
|
26
|
29
|
35
|
56
|
54
|
53
|
46
|
30
|
47
|
52
|
28
|
21
|
25
|
31
|
26
|
46
|
47
|
44
|
37
|
23
|
23
|
37
|
28
|
22
|
24
|
20
|
|
2024/06
|
22
|
25
|
34
|
43
|
48
|
40
|
18
|
31
|
22
|
25
|
30
|
32
|
32
|
22
|
23
|
25
|
33
|
43
|
44
|
53
|
43
|
337
|
129
|
19
|
21
|
47
|
61
|
52
|
51
|
32
|
|
|
2024/05
|
31
|
38
|
47
|
61
|
51
|
41
|
39
|
35
|
58
|
148
|
76
|
31
|
33
|
49
|
24
|
52
|
49
|
67
|
68
|
46
|
53
|
64
|
77
|
48
|
31
|
36
|
25
|
32
|
50
|
38
|
21
|
|
2024/04
|
68
|
74
|
39
|
55
|
56
|
32
|
35
|
59
|
58
|
51
|
46
|
78
|
75
|
75
|
199
|
40
|
39
|
50
|
81
|
28
|
41
|
75
|
27
|
43
|
108
|
88
|
168
|
45
|
24
|
26
|
|
|
2024/03
|
27
|
79
|
38
|
63
|
57
|
16
|
31
|
26
|
40
|
57
|
38
|
26
|
34
|
42
|
76
|
110
|
34
|
200
|
66
|
29
|
65
|
47
|
56
|
53
|
42
|
77
|
186
|
201
|
97
|
34
|
30
|
|
2024/02
|
35
|
54
|
34
|
45
|
78
|
28
|
28
|
33
|
53
|
80
|
46
|
59
|
66
|
40
|
31
|
66
|
81
|
59
|
28
|
29
|
27
|
25
|
28
|
43
|
43
|
52
|
95
|
44
|
28
|
||
|
2024/01
|
49
|
44
|
32
|
47
|
41
|
21
|
31
|
54
|
26
|
42
|
54
|
45
|
68
|
24
|
34
|
46
|
76
|
86
|
94
|
36
|
22
|
22
|
23
|
23
|
26
|
40
|
31
|
42
|
56
|
103
|
28
|
|
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