Air Quality
Excellent
No health implications.
20
PM2.5
39
PM10
87
O3
0.7
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
64
Good
Sun
20 Apr
68
Good
Mon
21 Apr
57
Good
Tue
22 Apr
85
Good
Wed
23 Apr
86
Good
Thu
24 Apr
54
Good
Fri
25 Apr
50
Excellent
Air quality in the last 12 months (Zhenyuan)
|
2025/02
|
52
|
54
|
46
|
42
|
48
|
53
|
51
|
38
|
33
|
34
|
37
|
42
|
51
|
56
|
58
|
60
|
46
|
43
|
51
|
52
|
53
|
53
|
53
|
40
|
39
|
34
|
38
|
45
|
|||
|
2025/01
|
38
|
31
|
35
|
38
|
42
|
45
|
38
|
34
|
34
|
41
|
36
|
35
|
42
|
37
|
52
|
51
|
47
|
42
|
38
|
35
|
36
|
38
|
36
|
27
|
28
|
36
|
26
|
39
|
48
|
37
|
39
|
|
2024/12
|
21
|
22
|
22
|
23
|
24
|
27
|
28
|
26
|
22
|
31
|
38
|
33
|
31
|
26
|
24
|
23
|
23
|
25
|
29
|
33
|
27
|
27
|
27
|
33
|
30
|
34
|
41
|
45
|
31
|
31
|
34
|
|
2024/11
|
32
|
32
|
32
|
32
|
35
|
42
|
22
|
18
|
17
|
23
|
24
|
21
|
21
|
21
|
22
|
25
|
26
|
30
|
29
|
26
|
24
|
20
|
22
|
21
|
27
|
25
|
22
|
18
|
15
|
17
|
|
|
2024/10
|
14
|
17
|
17
|
15
|
19
|
22
|
26
|
25
|
23
|
19
|
21
|
24
|
23
|
27
|
28
|
24
|
19
|
29
|
35
|
26
|
16
|
21
|
19
|
22
|
24
|
26
|
37
|
45
|
42
|
33
|
29
|
|
2024/09
|
23
|
25
|
22
|
21
|
18
|
26
|
32
|
23
|
16
|
13
|
18
|
19
|
23
|
24
|
27
|
22
|
22
|
21
|
25
|
31
|
34
|
24
|
23
|
29
|
30
|
33
|
27
|
18
|
17
|
22
|
|
|
2024/08
|
27
|
24
|
20
|
17
|
18
|
18
|
17
|
17
|
15
|
19
|
20
|
35
|
42
|
39
|
34
|
27
|
29
|
29
|
26
|
25
|
25
|
23
|
14
|
15
|
20
|
22
|
22
|
23
|
19
|
22
|
24
|
|
2024/07
|
15
|
17
|
16
|
14
|
14
|
18
|
16
|
17
|
15
|
14
|
12
|
14
|
14
|
15
|
15
|
15
|
17
|
19
|
18
|
13
|
13
|
13
|
15
|
17
|
20
|
22
|
25
|
23
|
21
|
15
|
17
|
|
2024/06
|
31
|
30
|
27
|
29
|
27
|
20
|
18
|
17
|
19
|
22
|
19
|
19
|
13
|
15
|
20
|
22
|
29
|
25
|
29
|
28
|
24
|
22
|
21
|
17
|
17
|
18
|
14
|
13
|
15
|
13
|
|
|
2024/05
|
54
|
49
|
37
|
53
|
55
|
41
|
40
|
46
|
35
|
26
|
28
|
35
|
36
|
34
|
36
|
29
|
29
|
30
|
36
|
26
|
32
|
34
|
28
|
26
|
22
|
13
|
12
|
14
|
20
|
39
|
30
|
|
2024/04
|
44
|
48
|
60
|
59
|
57
|
74
|
66
|
64
|
66
|
67
|
76
|
76
|
66
|
49
|
58
|
81
|
84
|
59
|
48
|
48
|
37
|
49
|
50
|
52
|
48
|
47
|
52
|
58
|
57
|
57
|
|
|
2024/03
|
38
|
40
|
41
|
40
|
29
|
29
|
35
|
43
|
42
|
51
|
48
|
63
|
63
|
58
|
60
|
69
|
66
|
55
|
58
|
66
|
53
|
35
|
26
|
34
|
33
|
47
|
60
|
50
|
56
|
72
|
60
|
|
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