Air Quality
Excellent
No health implications.
21
PM2.5
38
PM10
24
O3
0.7
CO
8
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
111
Light
Wed
29 Jan
113
Light
Thu
30 Jan
95
Good
Fri
31 Jan
84
Good
Sat
1 Feb
71
Good
Sun
2 Feb
66
Good
Mon
3 Feb
20
Excellent
Air quality in the last 12 months (Hezuo)
|
2024/12
|
45
|
46
|
49
|
44
|
41
|
42
|
38
|
38
|
37
|
31
|
35
|
39
|
34
|
29
|
34
|
30
|
27
|
35
|
54
|
54
|
61
|
68
|
65
|
74
|
65
|
54
|
62
|
57
|
52
|
41
|
53
|
|
2024/11
|
26
|
26
|
28
|
27
|
28
|
28
|
28
|
33
|
29
|
23
|
32
|
23
|
33
|
26
|
26
|
18
|
20
|
29
|
26
|
19
|
21
|
19
|
24
|
30
|
37
|
40
|
43
|
43
|
36
|
40
|
|
|
2024/10
|
21
|
28
|
33
|
29
|
31
|
28
|
26
|
28
|
27
|
19
|
24
|
25
|
27
|
27
|
29
|
19
|
21
|
26
|
22
|
25
|
32
|
31
|
31
|
33
|
29
|
22
|
29
|
30
|
29
|
23
|
19
|
|
2024/09
|
32
|
27
|
27
|
19
|
15
|
18
|
20
|
31
|
18
|
19
|
20
|
21
|
14
|
15
|
19
|
17
|
23
|
21
|
24
|
19
|
19
|
27
|
33
|
33
|
36
|
37
|
42
|
40
|
23
|
19
|
|
|
2024/08
|
32
|
32
|
26
|
25
|
34
|
33
|
23
|
18
|
28
|
38
|
31
|
31
|
31
|
23
|
27
|
29
|
28
|
28
|
33
|
38
|
31
|
32
|
27
|
25
|
31
|
16
|
26
|
30
|
35
|
35
|
42
|
|
2024/07
|
18
|
26
|
25
|
29
|
26
|
43
|
24
|
16
|
27
|
25
|
45
|
38
|
27
|
19
|
26
|
26
|
24
|
31
|
24
|
37
|
110
|
48
|
32
|
61
|
55
|
44
|
23
|
26
|
22
|
27
|
32
|
|
2024/06
|
31
|
32
|
41
|
30
|
33
|
21
|
33
|
20
|
25
|
33
|
30
|
37
|
35
|
30
|
33
|
22
|
22
|
23
|
27
|
26
|
22
|
23
|
33
|
23
|
30
|
32
|
35
|
23
|
29
|
20
|
|
|
2024/05
|
33
|
21
|
26
|
52
|
54
|
53
|
51
|
34
|
36
|
45
|
40
|
44
|
32
|
30
|
29
|
49
|
78
|
45
|
56
|
61
|
49
|
49
|
54
|
61
|
25
|
43
|
37
|
27
|
17
|
20
|
37
|
|
2024/04
|
63
|
68
|
59
|
48
|
27
|
22
|
25
|
38
|
22
|
32
|
44
|
37
|
48
|
58
|
100
|
73
|
39
|
30
|
34
|
37
|
29
|
38
|
38
|
30
|
33
|
37
|
40
|
92
|
29
|
23
|
|
|
2024/03
|
55
|
63
|
52
|
75
|
47
|
65
|
64
|
64
|
62
|
56
|
60
|
49
|
46
|
44
|
40
|
149
|
66
|
77
|
79
|
65
|
55
|
58
|
88
|
27
|
36
|
30
|
47
|
46
|
36
|
55
|
55
|
|
2024/02
|
58
|
72
|
47
|
45
|
51
|
65
|
57
|
39
|
32
|
64
|
33
|
31
|
29
|
38
|
30
|
36
|
43
|
115
|
152
|
105
|
130
|
112
|
94
|
93
|
78
|
70
|
65
|
60
|
38
|
||
|
2024/01
|
65
|
50
|
50
|
46
|
59
|
52
|
49
|
46
|
45
|
52
|
51
|
49
|
49
|
61
|
62
|
58
|
47
|
44
|
50
|
74
|
81
|
56
|
63
|
67
|
79
|
62
|
47
|
46
|
47
|
46
|
57
|
|
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