Air Quality
Excellent
No health implications.
15
PM2.5
30
PM10
91
O3
0.3
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Mar
56
Good
Mon
16 Mar
75
Good
Tue
17 Mar
80
Good
Wed
18 Mar
55
Good
Thu
19 Mar
69
Good
Fri
20 Mar
80
Good
Sat
21 Mar
46
Excellent
Air quality in the last 12 months (Baiquan)
|
2026/02
|
49
|
43
|
52
|
56
|
39
|
23
|
35
|
37
|
72
|
101
|
52
|
52
|
77
|
68
|
19
|
53
|
53
|
25
|
55
|
82
|
101
|
48
|
25
|
20
|
61
|
27
|
25
|
24
|
|||
|
2026/01
|
30
|
46
|
65
|
27
|
27
|
65
|
28
|
40
|
62
|
47
|
57
|
80
|
54
|
43
|
66
|
55
|
37
|
63
|
48
|
35
|
38
|
30
|
41
|
37
|
28
|
60
|
59
|
41
|
35
|
30
|
47
|
|
2025/12
|
32
|
28
|
40
|
37
|
51
|
59
|
84
|
43
|
43
|
30
|
24
|
33
|
61
|
74
|
51
|
31
|
57
|
88
|
69
|
35
|
45
|
57
|
60
|
51
|
36
|
35
|
65
|
79
|
31
|
34
|
30
|
|
2025/11
|
159
|
21
|
65
|
58
|
137
|
85
|
17
|
98
|
55
|
17
|
29
|
66
|
30
|
36
|
82
|
50
|
21
|
43
|
113
|
55
|
60
|
174
|
169
|
35
|
38
|
156
|
65
|
66
|
61
|
28
|
|
|
2025/10
|
34
|
35
|
52
|
26
|
17
|
25
|
38
|
20
|
36
|
37
|
48
|
19
|
34
|
29
|
40
|
37
|
76
|
18
|
18
|
20
|
29
|
28
|
32
|
39
|
85
|
41
|
30
|
35
|
137
|
73
|
63
|
|
2025/09
|
20
|
19
|
31
|
45
|
38
|
17
|
20
|
17
|
14
|
20
|
20
|
30
|
26
|
25
|
17
|
16
|
16
|
20
|
28
|
22
|
19
|
25
|
37
|
22
|
14
|
20
|
26
|
28
|
29
|
48
|
|
|
2025/08
|
21
|
23
|
13
|
16
|
20
|
15
|
14
|
19
|
14
|
11
|
13
|
18
|
18
|
16
|
21
|
11
|
16
|
21
|
21
|
16
|
23
|
13
|
22
|
17
|
26
|
17
|
21
|
24
|
23
|
18
|
31
|
|
2025/07
|
26
|
20
|
21
|
21
|
15
|
16
|
17
|
21
|
21
|
29
|
38
|
21
|
16
|
19
|
23
|
19
|
20
|
19
|
22
|
19
|
15
|
21
|
31
|
30
|
18
|
25
|
19
|
20
|
15
|
13
|
18
|
|
2025/06
|
16
|
22
|
20
|
19
|
19
|
13
|
17
|
23
|
14
|
16
|
15
|
30
|
32
|
18
|
22
|
21
|
16
|
25
|
19
|
16
|
12
|
17
|
29
|
36
|
39
|
41
|
45
|
32
|
26
|
37
|
|
|
2025/05
|
44
|
30
|
25
|
20
|
19
|
25
|
30
|
39
|
24
|
29
|
48
|
75
|
60
|
39
|
63
|
31
|
18
|
23
|
22
|
23
|
21
|
17
|
25
|
26
|
29
|
39
|
41
|
52
|
51
|
55
|
44
|
|
2025/04
|
61
|
46
|
45
|
67
|
50
|
48
|
59
|
43
|
58
|
114
|
88
|
62
|
28
|
21
|
15
|
20
|
57
|
36
|
19
|
69
|
99
|
16
|
31
|
21
|
10
|
18
|
59
|
55
|
69
|
42
|
|
|
2025/03
|
19
|
30
|
44
|
52
|
60
|
59
|
44
|
33
|
74
|
109
|
49
|
49
|
18
|
17
|
18
|
25
|
19
|
20
|
44
|
48
|
14
|
16
|
50
|
35
|
20
|
31
|
15
|
16
|
11
|
18
|
35
|
|
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