Air Quality
Excellent
No health implications.
16
PM2.5
22
PM10
53
O3
0.5
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
71
Good
Thu
20 Mar
67
Good
Fri
21 Mar
68
Good
Sat
22 Mar
71
Good
Sun
23 Mar
55
Good
Mon
24 Mar
52
Good
Tue
25 Mar
20
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