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
17 Jun
Wed
18 Jun
Thu
19 Jun
Fri
20 Jun
Sat
21 Jun
Sun
22 Jun
Mon
23 Jun
Zhangjiakou Air quality rank
Real-time AQI (Monitoring Station in Zhangjiakou)
人民公园
3310
PM2.5
33
PM10
101
O3
0.6
CO
9
SO2
15
NO2
五金库
5740 *
PM2.5
41
PM10
102
O3
0.6
CO
11
SO2
13
NO2
世纪豪园
353
PM2.5
35
PM10
97
O3
0.7
CO
10
SO2
18
NO2
北泵房
353
PM2.5
25
PM10
109
O3
0.4
CO
7
SO2
9
NO2
烟厂
479
PM2.5
47
PM10
99
O3
0.4
CO
9
SO2
15
NO2
青少年活动中心
4116
PM2.5
40
PM10
129
O3
0.5
CO
8
SO2
5
NO2
Air quality in the last 12 months (Zhangjiakou)
|
2025/05
|
21
|
21
|
21
|
24
|
76
|
23
|
49
|
76
|
25
|
36
|
28
|
42
|
42
|
29
|
39
|
92
|
30
|
24
|
24
|
55
|
44
|
45
|
53
|
40
|
38
|
31
|
27
|
38
|
52
|
63
|
28
|
|
2025/04
|
28
|
19
|
44
|
58
|
20
|
43
|
43
|
32
|
31
|
38
|
97
|
50
|
49
|
36
|
33
|
74
|
62
|
18
|
23
|
48
|
67
|
35
|
45
|
20
|
28
|
47
|
19
|
23
|
40
|
27
|
|
|
2025/03
|
69
|
51
|
33
|
38
|
42
|
23
|
39
|
63
|
71
|
96
|
134
|
54
|
63
|
65
|
33
|
19
|
24
|
22
|
22
|
26
|
31
|
51
|
152
|
71
|
53
|
128
|
32
|
24
|
20
|
23
|
24
|
|
2025/02
|
79
|
33
|
17
|
24
|
30
|
55
|
16
|
15
|
25
|
52
|
55
|
39
|
50
|
45
|
69
|
22
|
18
|
17
|
16
|
17
|
15
|
18
|
15
|
35
|
34
|
36
|
65
|
58
|
|||
|
2025/01
|
33
|
25
|
29
|
35
|
39
|
16
|
15
|
13
|
15
|
23
|
39
|
31
|
33
|
24
|
26
|
42
|
43
|
45
|
36
|
42
|
25
|
39
|
62
|
65
|
92
|
125
|
16
|
22
|
56
|
60
|
82
|
|
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
|
|
|
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