Air Quality
Excellent
No health implications.
17
PM2.5
26
PM10
86
O3
0.6
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
68
Good
Sat
10 May
89
Good
Sun
11 May
97
Good
Mon
12 May
114
Light
Tue
13 May
119
Light
Wed
14 May
104
Light
Thu
15 May
26
Excellent
Air quality in the last 12 months (Huqiu)
|
2025/02
|
26
|
63
|
74
|
65
|
43
|
40
|
50
|
34
|
43
|
61
|
40
|
94
|
59
|
40
|
90
|
89
|
62
|
41
|
54
|
38
|
34
|
61
|
83
|
76
|
117
|
103
|
94
|
81
|
|||
|
2025/01
|
83
|
52
|
66
|
56
|
95
|
80
|
68
|
67
|
32
|
50
|
62
|
67
|
76
|
111
|
41
|
56
|
64
|
78
|
93
|
146
|
170
|
74
|
43
|
42
|
27
|
50
|
45
|
44
|
85
|
66
|
53
|
|
2024/12
|
60
|
68
|
72
|
38
|
57
|
116
|
158
|
31
|
53
|
46
|
59
|
55
|
75
|
71
|
59
|
57
|
75
|
76
|
31
|
52
|
79
|
47
|
43
|
60
|
88
|
135
|
55
|
60
|
64
|
79
|
81
|
|
2024/11
|
10
|
48
|
62
|
65
|
35
|
30
|
24
|
28
|
33
|
36
|
39
|
41
|
45
|
38
|
64
|
42
|
21
|
26
|
29
|
35
|
55
|
75
|
19
|
28
|
33
|
31
|
60
|
65
|
45
|
49
|
|
|
2024/10
|
20
|
27
|
22
|
28
|
22
|
14
|
18
|
34
|
42
|
50
|
60
|
54
|
20
|
36
|
56
|
36
|
26
|
33
|
28
|
44
|
26
|
33
|
44
|
25
|
30
|
20
|
19
|
52
|
27
|
30
|
23
|
|
2024/09
|
32
|
35
|
26
|
28
|
26
|
36
|
54
|
41
|
18
|
35
|
9
|
26
|
14
|
21
|
20
|
14
|
16
|
21
|
21
|
11
|
22
|
27
|
27
|
43
|
52
|
24
|
27
|
34
|
34
|
35
|
|
|
2024/08
|
22
|
18
|
39
|
34
|
37
|
36
|
43
|
38
|
40
|
41
|
41
|
29
|
35
|
25
|
22
|
35
|
26
|
20
|
17
|
19
|
23
|
30
|
39
|
26
|
34
|
28
|
27
|
28
|
18
|
28
|
32
|
|
2024/07
|
22
|
23
|
17
|
25
|
21
|
30
|
21
|
28
|
32
|
20
|
25
|
23
|
16
|
18
|
48
|
32
|
30
|
24
|
27
|
28
|
32
|
31
|
26
|
19
|
23
|
18
|
16
|
20
|
17
|
23
|
23
|
|
2024/06
|
25
|
30
|
32
|
47
|
38
|
18
|
20
|
30
|
30
|
17
|
20
|
32
|
47
|
37
|
37
|
29
|
26
|
21
|
17
|
27
|
29
|
13
|
15
|
19
|
26
|
16
|
9
|
14
|
22
|
16
|
|
|
2024/05
|
30
|
32
|
35
|
37
|
28
|
28
|
54
|
36
|
26
|
41
|
53
|
62
|
69
|
54
|
45
|
33
|
50
|
41
|
32
|
31
|
28
|
41
|
37
|
30
|
26
|
34
|
22
|
24
|
27
|
37
|
43
|
|
2024/04
|
60
|
27
|
22
|
49
|
45
|
49
|
36
|
22
|
55
|
53
|
53
|
42
|
25
|
25
|
50
|
49
|
26
|
69
|
84
|
42
|
45
|
45
|
28
|
46
|
44
|
47
|
34
|
21
|
28
|
34
|
|
|
2024/03
|
42
|
58
|
71
|
43
|
28
|
57
|
61
|
103
|
81
|
53
|
58
|
84
|
45
|
58
|
59
|
41
|
63
|
69
|
67
|
104
|
72
|
61
|
72
|
71
|
37
|
29
|
44
|
36
|
33
|
54
|
69
|
|
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