Air Quality
Excellent
No health implications.
13
PM2.5
29
PM10
11
O3
0.5
CO
12
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
52
Good
Sun
28 Jul
41
Excellent
Mon
29 Jul
39
Excellent
Tue
30 Jul
37
Excellent
Wed
31 Jul
40
Excellent
Thu
1 Aug
39
Excellent
Fri
2 Aug
39
Excellent
Air quality in the last 12 months (Yanhe)
|
2024/06
|
25
|
25
|
20
|
20
|
19
|
16
|
19
|
19
|
14
|
14
|
17
|
18
|
21
|
22
|
28
|
26
|
17
|
13
|
15
|
14
|
19
|
22
|
20
|
22
|
21
|
17
|
14
|
13
|
16
|
18
|
|
|
2024/05
|
21
|
21
|
15
|
15
|
22
|
26
|
29
|
37
|
33
|
32
|
25
|
23
|
26
|
30
|
32
|
45
|
44
|
27
|
15
|
22
|
20
|
27
|
24
|
26
|
25
|
26
|
16
|
29
|
23
|
15
|
23
|
|
2024/04
|
30
|
30
|
24
|
29
|
27
|
21
|
21
|
22
|
25
|
33
|
34
|
30
|
25
|
31
|
40
|
31
|
19
|
22
|
18
|
26
|
42
|
38
|
26
|
28
|
22
|
23
|
21
|
19
|
21
|
17
|
|
|
2024/03
|
71
|
62
|
55
|
44
|
37
|
41
|
62
|
51
|
58
|
61
|
56
|
50
|
51
|
45
|
44
|
33
|
29
|
24
|
32
|
50
|
50
|
54
|
43
|
39
|
28
|
21
|
24
|
32
|
31
|
32
|
32
|
|
2024/02
|
35
|
19
|
24
|
28
|
33
|
35
|
50
|
60
|
87
|
154
|
72
|
56
|
59
|
68
|
68
|
31
|
40
|
50
|
58
|
38
|
20
|
26
|
29
|
27
|
32
|
47
|
58
|
60
|
69
|
||
|
2024/01
|
60
|
57
|
47
|
59
|
78
|
90
|
70
|
78
|
74
|
64
|
64
|
70
|
84
|
86
|
91
|
48
|
36
|
25
|
20
|
26
|
45
|
45
|
50
|
58
|
62
|
50
|
56
|
64
|
69
|
69
|
59
|
|
2023/12
|
41
|
35
|
39
|
40
|
51
|
54
|
53
|
58
|
88
|
70
|
40
|
25
|
23
|
36
|
33
|
27
|
32
|
32
|
44
|
48
|
65
|
75
|
69
|
68
|
70
|
81
|
89
|
85
|
119
|
99
|
85
|
|
2023/11
|
31
|
35
|
41
|
39
|
36
|
30
|
24
|
29
|
29
|
23
|
15
|
23
|
29
|
33
|
28
|
33
|
40
|
48
|
52
|
43
|
40
|
56
|
64
|
55
|
57
|
55
|
43
|
48
|
52
|
47
|
|
|
2023/10
|
19
|
17
|
15
|
18
|
18
|
18
|
18
|
21
|
27
|
31
|
32
|
41
|
35
|
28
|
32
|
33
|
40
|
43
|
47
|
24
|
28
|
36
|
41
|
47
|
32
|
26
|
20
|
24
|
28
|
27
|
26
|
|
2023/09
|
35
|
38
|
39
|
33
|
31
|
31
|
31
|
32
|
31
|
29
|
36
|
25
|
24
|
32
|
35
|
36
|
31
|
25
|
25
|
27
|
21
|
16
|
14
|
15
|
18
|
20
|
25
|
30
|
32
|
25
|
|
|
2023/08
|
22
|
16
|
19
|
21
|
22
|
21
|
22
|
21
|
21
|
24
|
29
|
31
|
25
|
22
|
27
|
24
|
22
|
28
|
31
|
36
|
30
|
31
|
31
|
29
|
27
|
28
|
18
|
21
|
23
|
28
|
33
|
|
2023/07
|
26
|
27
|
25
|
22
|
21
|
20
|
20
|
20
|
16
|
18
|
24
|
26
|
30
|
23
|
29
|
32
|
34
|
32
|
23
|
19
|
16
|
20
|
23
|
26
|
17
|
17
|
22
|
23
|
21
|
23
|
21
|
|
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