Air Quality
Excellent
No health implications.
13
PM2.5
28
PM10
125
O3
0.6
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
67
Good
Wed
27 May
85
Good
Thu
28 May
54
Good
Fri
29 May
73
Good
Sat
30 May
100
Good
Sun
31 May
124
Light
Mon
1 Jun
28
Excellent
Air quality in the last 12 months (Changping)
|
2026/04
|
39
|
73
|
92
|
50
|
39
|
26
|
32
|
70
|
62
|
46
|
46
|
68
|
71
|
77
|
94
|
115
|
43
|
101
|
77
|
82
|
55
|
66
|
66
|
61
|
66
|
46
|
34
|
27
|
27
|
41
|
|
|
2026/03
|
99
|
111
|
84
|
51
|
72
|
24
|
72
|
75
|
23
|
92
|
39
|
110
|
94
|
40
|
73
|
63
|
142
|
26
|
45
|
47
|
65
|
61
|
115
|
125
|
163
|
131
|
36
|
75
|
66
|
27
|
48
|
|
2026/02
|
28
|
23
|
45
|
65
|
37
|
15
|
13
|
27
|
61
|
68
|
33
|
59
|
66
|
58
|
24
|
19
|
47
|
24
|
46
|
63
|
160
|
35
|
29
|
58
|
109
|
77
|
36
|
74
|
|||
|
2026/01
|
24
|
30
|
51
|
50
|
23
|
40
|
28
|
48
|
68
|
29
|
27
|
37
|
29
|
56
|
88
|
45
|
29
|
35
|
21
|
20
|
17
|
37
|
39
|
33
|
43
|
48
|
35
|
61
|
74
|
109
|
56
|
|
2025/12
|
20
|
19
|
26
|
23
|
37
|
72
|
39
|
27
|
50
|
73
|
28
|
42
|
25
|
49
|
61
|
50
|
63
|
170
|
122
|
17
|
29
|
60
|
44
|
20
|
18
|
35
|
56
|
72
|
20
|
21
|
21
|
|
2025/11
|
13
|
13
|
48
|
66
|
151
|
170
|
69
|
50
|
24
|
29
|
56
|
98
|
17
|
47
|
60
|
25
|
19
|
23
|
36
|
27
|
41
|
55
|
83
|
47
|
27
|
59
|
25
|
52
|
78
|
78
|
|
|
2025/10
|
33
|
40
|
30
|
26
|
40
|
18
|
29
|
15
|
10
|
12
|
17
|
28
|
41
|
50
|
54
|
70
|
21
|
9
|
13
|
11
|
19
|
41
|
56
|
86
|
105
|
12
|
25
|
83
|
181
|
125
|
45
|
|
2025/09
|
16
|
39
|
45
|
48
|
46
|
19
|
20
|
23
|
45
|
33
|
58
|
58
|
55
|
16
|
15
|
16
|
10
|
13
|
25
|
28
|
34
|
38
|
32
|
33
|
31
|
42
|
48
|
30
|
25
|
24
|
|
|
2025/08
|
42
|
55
|
23
|
38
|
18
|
29
|
20
|
28
|
11
|
19
|
36
|
35
|
18
|
23
|
46
|
17
|
32
|
36
|
17
|
15
|
30
|
20
|
21
|
16
|
17
|
20
|
16
|
14
|
32
|
30
|
24
|
|
2025/07
|
33
|
31
|
19
|
31
|
16
|
9
|
31
|
32
|
40
|
21
|
49
|
44
|
15
|
31
|
40
|
35
|
8
|
26
|
56
|
14
|
21
|
40
|
38
|
28
|
26
|
42
|
40
|
19
|
9
|
10
|
26
|
|
2025/06
|
65
|
14
|
11
|
15
|
39
|
23
|
20
|
49
|
40
|
25
|
44
|
68
|
60
|
48
|
11
|
12
|
29
|
58
|
30
|
20
|
14
|
21
|
43
|
49
|
63
|
54
|
69
|
49
|
46
|
45
|
|
|
2025/05
|
27
|
28
|
16
|
32
|
48
|
25
|
68
|
107
|
23
|
37
|
49
|
64
|
72
|
22
|
47
|
65
|
38
|
28
|
42
|
83
|
79
|
66
|
42
|
33
|
43
|
50
|
31
|
50
|
70
|
68
|
74
|
|
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