Air Quality
Excellent
No health implications.
8
PM2.5
21
PM10
22
O3
0.3
CO
5
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Nov
51
Good
Sat
23 Nov
95
Good
Sun
24 Nov
140
Light
Mon
25 Nov
60
Good
Tue
26 Nov
34
Excellent
Wed
27 Nov
34
Excellent
Thu
28 Nov
36
Excellent
Air quality in the last 12 months (Changping)
|
2024/10
|
9
|
11
|
26
|
60
|
78
|
86
|
11
|
18
|
77
|
9
|
35
|
85
|
105
|
89
|
26
|
50
|
59
|
32
|
7
|
31
|
54
|
14
|
35
|
54
|
140
|
186
|
11
|
34
|
72
|
63
|
116
|
|
2024/09
|
17
|
11
|
30
|
59
|
7
|
13
|
18
|
20
|
40
|
9
|
17
|
18
|
31
|
20
|
20
|
29
|
22
|
37
|
53
|
30
|
8
|
8
|
27
|
57
|
28
|
26
|
45
|
40
|
63
|
6
|
|
|
2024/08
|
32
|
36
|
31
|
33
|
12
|
37
|
54
|
37
|
42
|
25
|
14
|
7
|
14
|
22
|
41
|
40
|
31
|
22
|
20
|
14
|
17
|
15
|
33
|
20
|
24
|
12
|
15
|
24
|
34
|
45
|
58
|
|
2024/07
|
23
|
37
|
37
|
54
|
75
|
32
|
32
|
35
|
64
|
70
|
77
|
41
|
49
|
68
|
65
|
42
|
19
|
24
|
30
|
33
|
52
|
25
|
60
|
48
|
27
|
26
|
34
|
27
|
42
|
12
|
24
|
|
2024/06
|
29
|
40
|
44
|
54
|
60
|
60
|
29
|
35
|
30
|
37
|
25
|
39
|
49
|
35
|
15
|
40
|
57
|
60
|
67
|
63
|
59
|
129
|
175
|
15
|
27
|
62
|
68
|
57
|
61
|
35
|
|
|
2024/05
|
36
|
58
|
59
|
67
|
94
|
62
|
52
|
60
|
70
|
107
|
114
|
31
|
41
|
50
|
26
|
52
|
65
|
72
|
74
|
23
|
49
|
68
|
83
|
43
|
20
|
17
|
32
|
44
|
62
|
29
|
14
|
|
2024/04
|
84
|
94
|
80
|
76
|
69
|
56
|
40
|
82
|
65
|
62
|
96
|
150
|
88
|
63
|
97
|
53
|
82
|
84
|
71
|
52
|
76
|
85
|
18
|
45
|
91
|
103
|
80
|
34
|
21
|
18
|
|
|
2024/03
|
32
|
73
|
57
|
55
|
74
|
33
|
34
|
20
|
50
|
97
|
60
|
25
|
48
|
60
|
106
|
116
|
40
|
114
|
79
|
49
|
83
|
55
|
77
|
86
|
61
|
111
|
144
|
201
|
101
|
39
|
85
|
|
2024/02
|
23
|
43
|
55
|
74
|
68
|
43
|
27
|
31
|
58
|
36
|
44
|
77
|
128
|
51
|
26
|
59
|
88
|
84
|
32
|
24
|
24
|
24
|
27
|
48
|
42
|
61
|
71
|
66
|
27
|
||
|
2024/01
|
54
|
72
|
30
|
49
|
43
|
18
|
25
|
55
|
38
|
31
|
59
|
73
|
72
|
22
|
36
|
65
|
106
|
95
|
72
|
55
|
18
|
18
|
21
|
27
|
24
|
38
|
30
|
47
|
90
|
116
|
50
|
|
2023/12
|
31
|
37
|
42
|
72
|
82
|
135
|
164
|
125
|
84
|
58
|
39
|
69
|
105
|
86
|
23
|
19
|
27
|
47
|
33
|
19
|
31
|
34
|
40
|
51
|
56
|
51
|
45
|
68
|
84
|
99
|
26
|
|
2023/11
|
154
|
113
|
37
|
63
|
42
|
37
|
37
|
51
|
21
|
18
|
17
|
18
|
26
|
52
|
63
|
22
|
18
|
33
|
55
|
79
|
136
|
108
|
21
|
22
|
46
|
63
|
43
|
24
|
20
|
20
|
|
|
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