Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
14
O3
0.6
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
59
Good
Wed
20 May
68
Good
Thu
21 May
55
Good
Fri
22 May
57
Good
Sat
23 May
51
Good
Sun
24 May
51
Good
Mon
25 May
30
Excellent
Air quality in the last 12 months (Baohe)
|
2026/04
|
78
|
60
|
48
|
51
|
63
|
67
|
57
|
45
|
31
|
42
|
66
|
34
|
32
|
34
|
56
|
66
|
66
|
60
|
60
|
46
|
51
|
17
|
27
|
44
|
51
|
46
|
52
|
31
|
31
|
39
|
|
|
2026/03
|
33
|
19
|
69
|
58
|
57
|
59
|
51
|
58
|
69
|
81
|
58
|
82
|
85
|
64
|
79
|
45
|
58
|
43
|
89
|
113
|
90
|
64
|
72
|
62
|
72
|
69
|
72
|
61
|
63
|
49
|
91
|
|
2026/02
|
44
|
60
|
87
|
77
|
79
|
67
|
44
|
50
|
40
|
54
|
83
|
87
|
72
|
71
|
70
|
28
|
90
|
61
|
66
|
57
|
35
|
126
|
126
|
15
|
43
|
28
|
21
|
40
|
|||
|
2026/01
|
28
|
72
|
84
|
88
|
82
|
72
|
41
|
65
|
65
|
97
|
61
|
63
|
79
|
76
|
83
|
89
|
169
|
101
|
16
|
43
|
52
|
46
|
73
|
91
|
123
|
29
|
47
|
96
|
78
|
23
|
35
|
|
2025/12
|
111
|
81
|
70
|
59
|
67
|
85
|
88
|
99
|
68
|
79
|
133
|
47
|
47
|
68
|
58
|
62
|
175
|
150
|
140
|
168
|
47
|
44
|
44
|
85
|
76
|
46
|
58
|
73
|
82
|
138
|
37
|
|
2025/11
|
92
|
67
|
50
|
62
|
65
|
56
|
19
|
23
|
89
|
77
|
44
|
43
|
67
|
132
|
125
|
99
|
39
|
37
|
40
|
51
|
76
|
89
|
99
|
104
|
93
|
83
|
220
|
131
|
81
|
79
|
|
|
2025/10
|
34
|
31
|
16
|
33
|
53
|
56
|
52
|
45
|
43
|
59
|
56
|
58
|
21
|
34
|
41
|
34
|
28
|
15
|
24
|
30
|
22
|
29
|
32
|
39
|
44
|
40
|
70
|
81
|
62
|
55
|
71
|
|
2025/09
|
22
|
28
|
29
|
36
|
42
|
38
|
47
|
42
|
24
|
28
|
35
|
24
|
20
|
24
|
25
|
37
|
26
|
21
|
30
|
20
|
42
|
38
|
49
|
11
|
12
|
19
|
31
|
29
|
34
|
23
|
|
|
2025/08
|
8
|
17
|
25
|
29
|
34
|
22
|
19
|
22
|
27
|
10
|
9
|
19
|
26
|
27
|
22
|
28
|
34
|
32
|
28
|
22
|
22
|
24
|
19
|
25
|
24
|
15
|
27
|
36
|
32
|
18
|
11
|
|
2025/07
|
20
|
20
|
29
|
30
|
33
|
37
|
45
|
23
|
19
|
32
|
37
|
24
|
26
|
37
|
32
|
34
|
19
|
29
|
31
|
22
|
20
|
16
|
23
|
24
|
28
|
22
|
22
|
16
|
26
|
17
|
15
|
|
2025/06
|
19
|
15
|
42
|
55
|
47
|
34
|
23
|
22
|
29
|
37
|
51
|
47
|
49
|
31
|
25
|
41
|
38
|
14
|
9
|
12
|
10
|
19
|
33
|
39
|
32
|
31
|
14
|
13
|
11
|
19
|
|
|
2025/05
|
51
|
60
|
58
|
49
|
46
|
101
|
100
|
53
|
31
|
33
|
39
|
47
|
44
|
46
|
60
|
38
|
84
|
86
|
76
|
46
|
23
|
45
|
62
|
71
|
61
|
63
|
65
|
60
|
53
|
47
|
52
|
|
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