Air Quality
Excellent
No health implications.
12
PM2.5
23
PM10
5
O3
0.4
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
90
Good
Fri
2 May
92
Good
Sat
3 May
89
Good
Sun
4 May
62
Good
Mon
5 May
63
Good
Tue
6 May
68
Good
Wed
7 May
40
Excellent
Air quality in the last 12 months (Chenxi)
|
2025/02
|
33
|
20
|
47
|
58
|
66
|
64
|
62
|
84
|
53
|
50
|
52
|
60
|
65
|
50
|
40
|
52
|
34
|
35
|
35
|
47
|
92
|
32
|
54
|
87
|
55
|
37
|
34
|
41
|
|||
|
2025/01
|
100
|
106
|
125
|
174
|
140
|
93
|
73
|
54
|
51
|
67
|
77
|
78
|
89
|
93
|
84
|
68
|
82
|
108
|
104
|
87
|
105
|
139
|
167
|
140
|
16
|
25
|
52
|
88
|
214
|
117
|
54
|
|
2024/12
|
53
|
57
|
84
|
86
|
28
|
36
|
44
|
49
|
62
|
38
|
45
|
67
|
79
|
56
|
56
|
59
|
72
|
73
|
77
|
91
|
98
|
73
|
59
|
82
|
90
|
94
|
92
|
117
|
132
|
137
|
95
|
|
2024/11
|
52
|
70
|
65
|
60
|
70
|
62
|
57
|
61
|
72
|
57
|
53
|
62
|
67
|
73
|
79
|
56
|
10
|
9
|
11
|
21
|
33
|
40
|
56
|
52
|
14
|
26
|
33
|
39
|
42
|
49
|
|
|
2024/10
|
16
|
43
|
57
|
49
|
54
|
57
|
42
|
39
|
45
|
51
|
65
|
77
|
65
|
39
|
40
|
35
|
33
|
23
|
17
|
15
|
17
|
15
|
26
|
44
|
43
|
46
|
47
|
51
|
55
|
55
|
54
|
|
2024/09
|
39
|
35
|
49
|
46
|
62
|
53
|
47
|
39
|
30
|
36
|
36
|
39
|
25
|
34
|
40
|
37
|
33
|
36
|
36
|
35
|
36
|
29
|
37
|
43
|
47
|
60
|
62
|
58
|
58
|
56
|
|
|
2024/08
|
10
|
14
|
14
|
21
|
20
|
22
|
25
|
28
|
26
|
27
|
21
|
51
|
45
|
41
|
44
|
37
|
33
|
39
|
26
|
32
|
35
|
24
|
19
|
17
|
21
|
22
|
24
|
25
|
33
|
35
|
43
|
|
2024/07
|
12
|
15
|
17
|
16
|
17
|
14
|
16
|
15
|
17
|
23
|
22
|
21
|
21
|
19
|
20
|
19
|
17
|
15
|
10
|
13
|
20
|
21
|
19
|
20
|
24
|
28
|
26
|
18
|
9
|
14
|
15
|
|
2024/06
|
33
|
28
|
32
|
15
|
14
|
23
|
31
|
20
|
15
|
16
|
15
|
18
|
21
|
20
|
28
|
33
|
19
|
15
|
19
|
21
|
26
|
21
|
16
|
16
|
18
|
17
|
13
|
18
|
10
|
13
|
|
|
2024/05
|
19
|
31
|
14
|
12
|
20
|
34
|
48
|
54
|
48
|
47
|
27
|
50
|
48
|
55
|
58
|
74
|
54
|
36
|
12
|
12
|
33
|
45
|
43
|
38
|
39
|
29
|
22
|
40
|
23
|
9
|
27
|
|
2024/04
|
30
|
29
|
21
|
42
|
38
|
35
|
35
|
36
|
35
|
37
|
40
|
36
|
32
|
29
|
45
|
34
|
20
|
39
|
22
|
28
|
48
|
49
|
39
|
45
|
29
|
32
|
33
|
34
|
28
|
13
|
|
|
2024/03
|
87
|
62
|
57
|
45
|
30
|
78
|
84
|
68
|
64
|
58
|
52
|
52
|
61
|
52
|
48
|
36
|
30
|
24
|
49
|
76
|
67
|
60
|
44
|
38
|
17
|
24
|
39
|
24
|
36
|
42
|
26
|
|
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