Air Quality
Excellent
No health implications.
11
PM2.5
25
PM10
15
O3
0.7
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
60
Good
Mon
5 May
67
Good
Tue
6 May
69
Good
Wed
7 May
69
Good
Thu
8 May
68
Good
Fri
9 May
72
Good
Sat
10 May
47
Excellent
Air quality in the last 12 months (Zhenkang)
|
2025/02
|
79
|
79
|
66
|
64
|
71
|
79
|
67
|
56
|
59
|
57
|
49
|
56
|
56
|
72
|
73
|
78
|
59
|
59
|
69
|
73
|
70
|
73
|
67
|
64
|
57
|
52
|
50
|
56
|
|||
|
2025/01
|
53
|
47
|
45
|
48
|
56
|
53
|
49
|
48
|
44
|
48
|
53
|
50
|
51
|
50
|
53
|
51
|
53
|
50
|
49
|
46
|
47
|
52
|
55
|
48
|
50
|
65
|
47
|
53
|
109
|
63
|
60
|
|
2024/12
|
38
|
35
|
36
|
34
|
35
|
38
|
42
|
46
|
44
|
40
|
54
|
55
|
42
|
42
|
35
|
35
|
39
|
38
|
37
|
36
|
45
|
62
|
39
|
39
|
44
|
48
|
52
|
53
|
45
|
45
|
46
|
|
2024/11
|
40
|
44
|
38
|
35
|
33
|
28
|
24
|
21
|
25
|
29
|
27
|
27
|
27
|
26
|
27
|
31
|
35
|
34
|
34
|
34
|
30
|
30
|
36
|
38
|
35
|
32
|
35
|
34
|
37
|
32
|
|
|
2024/10
|
18
|
15
|
24
|
18
|
18
|
21
|
24
|
22
|
25
|
25
|
26
|
29
|
35
|
38
|
44
|
35
|
27
|
36
|
43
|
41
|
27
|
30
|
30
|
33
|
29
|
29
|
37
|
39
|
32
|
31
|
37
|
|
2024/09
|
21
|
27
|
22
|
25
|
22
|
24
|
33
|
31
|
27
|
26
|
17
|
21
|
24
|
21
|
31
|
30
|
31
|
31
|
32
|
41
|
41
|
32
|
29
|
29
|
34
|
27
|
22
|
21
|
23
|
18
|
|
|
2024/08
|
16
|
12
|
15
|
20
|
16
|
15
|
16
|
20
|
17
|
19
|
18
|
22
|
32
|
34
|
33
|
24
|
27
|
20
|
18
|
17
|
19
|
17
|
22
|
18
|
18
|
20
|
23
|
20
|
24
|
24
|
18
|
|
2024/07
|
16
|
15
|
15
|
12
|
19
|
19
|
17
|
20
|
17
|
18
|
11
|
15
|
24
|
21
|
21
|
24
|
25
|
19
|
17
|
15
|
13
|
13
|
15
|
18
|
19
|
17
|
16
|
17
|
16
|
14
|
20
|
|
2024/06
|
50
|
38
|
37
|
42
|
42
|
33
|
31
|
30
|
37
|
46
|
45
|
30
|
14
|
16
|
22
|
39
|
36
|
32
|
39
|
40
|
30
|
27
|
24
|
23
|
17
|
23
|
16
|
17
|
19
|
20
|
|
|
2024/05
|
81
|
61
|
48
|
63
|
73
|
40
|
55
|
60
|
57
|
43
|
33
|
46
|
46
|
49
|
51
|
52
|
45
|
48
|
56
|
57
|
37
|
41
|
37
|
33
|
27
|
22
|
19
|
23
|
39
|
43
|
49
|
|
2024/04
|
67
|
73
|
80
|
74
|
71
|
86
|
78
|
85
|
77
|
78
|
85
|
89
|
87
|
72
|
81
|
110
|
124
|
67
|
70
|
61
|
51
|
65
|
67
|
73
|
68
|
69
|
75
|
70
|
74
|
91
|
|
|
2024/03
|
49
|
51
|
56
|
57
|
50
|
53
|
52
|
56
|
55
|
68
|
75
|
82
|
82
|
77
|
78
|
88
|
90
|
71
|
66
|
91
|
84
|
36
|
40
|
55
|
49
|
59
|
65
|
64
|
71
|
86
|
79
|
|
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