Air Quality
Excellent
No health implications.
3
PM2.5
17
PM10
110
O3
0.3
CO
7
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
110
Light
Sun
22 Jun
148
Light
Mon
23 Jun
162
Moderate
Tue
24 Jun
182
Moderate
Wed
25 Jun
175
Moderate
Thu
26 Jun
144
Light
Fri
27 Jun
37
Excellent
Air quality in the last 12 months (Baodi)
|
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
|
|
2025/04
|
55
|
19
|
62
|
73
|
23
|
72
|
56
|
39
|
59
|
86
|
93
|
107
|
76
|
51
|
53
|
96
|
66
|
55
|
41
|
62
|
91
|
37
|
64
|
39
|
54
|
91
|
37
|
61
|
62
|
71
|
|
|
2025/03
|
227
|
55
|
30
|
55
|
97
|
24
|
61
|
128
|
176
|
134
|
180
|
78
|
86
|
73
|
51
|
22
|
31
|
27
|
49
|
40
|
40
|
59
|
115
|
98
|
65
|
86
|
60
|
42
|
28
|
48
|
70
|
|
2025/02
|
78
|
72
|
18
|
20
|
26
|
51
|
24
|
18
|
20
|
97
|
148
|
69
|
118
|
98
|
131
|
39
|
19
|
54
|
41
|
44
|
25
|
33
|
23
|
56
|
69
|
79
|
166
|
217
|
|||
|
2025/01
|
108
|
33
|
43
|
101
|
92
|
19
|
22
|
12
|
21
|
23
|
38
|
36
|
61
|
30
|
28
|
55
|
81
|
136
|
61
|
106
|
136
|
69
|
103
|
176
|
164
|
91
|
20
|
92
|
255
|
86
|
88
|
|
2024/12
|
94
|
10
|
44
|
45
|
39
|
31
|
17
|
23
|
54
|
59
|
49
|
84
|
38
|
32
|
48
|
47
|
35
|
19
|
63
|
54
|
22
|
25
|
49
|
94
|
88
|
27
|
21
|
45
|
92
|
81
|
57
|
|
2024/11
|
139
|
97
|
60
|
18
|
60
|
67
|
104
|
106
|
123
|
101
|
60
|
79
|
53
|
39
|
57
|
46
|
29
|
45
|
65
|
90
|
44
|
41
|
56
|
102
|
61
|
9
|
18
|
22
|
41
|
57
|
|
|
2024/10
|
15
|
21
|
54
|
66
|
84
|
87
|
25
|
37
|
83
|
32
|
76
|
116
|
122
|
207
|
73
|
46
|
77
|
60
|
15
|
34
|
63
|
33
|
55
|
116
|
139
|
195
|
86
|
81
|
105
|
83
|
105
|
|
2024/09
|
21
|
15
|
35
|
48
|
33
|
31
|
31
|
47
|
72
|
37
|
16
|
26
|
43
|
41
|
30
|
56
|
56
|
47
|
48
|
29
|
11
|
20
|
49
|
62
|
66
|
37
|
42
|
69
|
55
|
11
|
|
|
2024/08
|
49
|
42
|
46
|
21
|
18
|
52
|
42
|
32
|
59
|
46
|
36
|
33
|
15
|
25
|
49
|
51
|
58
|
37
|
30
|
15
|
28
|
34
|
36
|
25
|
44
|
19
|
25
|
42
|
45
|
63
|
46
|
|
2024/07
|
27
|
41
|
31
|
75
|
99
|
25
|
64
|
30
|
64
|
67
|
86
|
86
|
70
|
91
|
58
|
52
|
26
|
27
|
43
|
34
|
42
|
27
|
65
|
54
|
21
|
21
|
29
|
26
|
40
|
17
|
27
|
|
2024/06
|
42
|
50
|
47
|
62
|
65
|
70
|
53
|
49
|
101
|
99
|
84
|
64
|
67
|
44
|
45
|
44
|
78
|
104
|
135
|
64
|
60
|
122
|
104
|
48
|
57
|
70
|
61
|
59
|
58
|
49
|
|
|
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