Air Quality
Excellent
No health implications.
12
PM2.5
29
PM10
142
O3
0.5
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 May
84
Good
Thu
28 May
70
Good
Fri
29 May
78
Good
Sat
30 May
100
Good
Sun
31 May
100
Good
Mon
1 Jun
104
Light
Tue
2 Jun
20
Excellent
Air quality in the last 12 months (Baodi)
|
2026/04
|
59
|
78
|
111
|
68
|
42
|
28
|
37
|
69
|
50
|
53
|
65
|
98
|
98
|
78
|
98
|
92
|
59
|
129
|
77
|
101
|
71
|
40
|
67
|
64
|
59
|
55
|
44
|
38
|
35
|
59
|
|
|
2026/03
|
86
|
109
|
123
|
83
|
80
|
66
|
78
|
90
|
29
|
103
|
134
|
89
|
86
|
86
|
58
|
77
|
153
|
42
|
54
|
62
|
109
|
140
|
119
|
180
|
165
|
216
|
128
|
65
|
127
|
26
|
44
|
|
2026/02
|
65
|
25
|
130
|
185
|
69
|
14
|
25
|
37
|
129
|
120
|
120
|
153
|
158
|
145
|
20
|
34
|
162
|
42
|
65
|
126
|
195
|
43
|
42
|
81
|
88
|
91
|
49
|
72
|
|||
|
2026/01
|
37
|
46
|
92
|
118
|
84
|
55
|
22
|
67
|
93
|
31
|
34
|
68
|
37
|
73
|
106
|
82
|
39
|
53
|
21
|
20
|
24
|
57
|
63
|
114
|
61
|
61
|
65
|
70
|
78
|
106
|
88
|
|
2025/12
|
43
|
21
|
37
|
45
|
59
|
110
|
63
|
33
|
70
|
130
|
74
|
41
|
40
|
57
|
120
|
113
|
117
|
188
|
180
|
18
|
35
|
72
|
65
|
35
|
26
|
66
|
90
|
169
|
43
|
38
|
20
|
|
2025/11
|
58
|
15
|
50
|
98
|
189
|
129
|
54
|
70
|
40
|
72
|
123
|
66
|
24
|
96
|
115
|
45
|
26
|
28
|
57
|
34
|
61
|
96
|
130
|
79
|
37
|
77
|
31
|
85
|
120
|
109
|
|
|
2025/10
|
63
|
49
|
52
|
62
|
59
|
19
|
52
|
26
|
11
|
14
|
23
|
40
|
60
|
51
|
74
|
61
|
32
|
17
|
22
|
24
|
43
|
61
|
71
|
85
|
145
|
56
|
42
|
137
|
153
|
114
|
67
|
|
2025/09
|
27
|
53
|
55
|
54
|
47
|
29
|
43
|
34
|
49
|
39
|
56
|
61
|
48
|
33
|
34
|
34
|
24
|
36
|
39
|
49
|
60
|
38
|
50
|
65
|
65
|
62
|
77
|
46
|
56
|
59
|
|
|
2025/08
|
60
|
40
|
23
|
33
|
21
|
49
|
39
|
32
|
22
|
33
|
40
|
43
|
20
|
36
|
40
|
27
|
35
|
32
|
21
|
29
|
19
|
25
|
26
|
17
|
26
|
44
|
26
|
12
|
45
|
33
|
29
|
|
2025/07
|
30
|
32
|
23
|
36
|
32
|
15
|
36
|
34
|
44
|
45
|
50
|
45
|
26
|
31
|
38
|
26
|
18
|
39
|
35
|
31
|
33
|
39
|
26
|
26
|
39
|
38
|
38
|
27
|
12
|
23
|
51
|
|
2025/06
|
65
|
35
|
19
|
39
|
65
|
62
|
41
|
42
|
54
|
39
|
56
|
63
|
62
|
68
|
19
|
18
|
62
|
78
|
45
|
29
|
41
|
69
|
77
|
97
|
56
|
62
|
49
|
50
|
73
|
38
|
|
|
2025/05
|
42
|
57
|
32
|
60
|
58
|
26
|
64
|
81
|
28
|
39
|
73
|
93
|
75
|
29
|
40
|
71
|
39
|
56
|
81
|
110
|
63
|
69
|
55
|
41
|
60
|
67
|
66
|
67
|
65
|
78
|
68
|
|
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