Air Quality
Excellent
No health implications.
14
PM2.5
22
PM10
77
O3
0.3
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
47
Excellent
Wed
16 Jul
49
Excellent
Thu
17 Jul
49
Excellent
Fri
18 Jul
53
Good
Sat
19 Jul
54
Good
Sun
20 Jul
43
Excellent
Mon
21 Jul
44
Excellent
Air quality in the last 12 months (Chenxi)
|
2025/06
|
12
|
25
|
34
|
35
|
38
|
39
|
24
|
20
|
28
|
34
|
32
|
27
|
24
|
22
|
20
|
33
|
19
|
14
|
10
|
11
|
10
|
12
|
13
|
15
|
22
|
20
|
20
|
16
|
19
|
18
|
|
|
2025/05
|
42
|
62
|
61
|
48
|
38
|
57
|
65
|
34
|
22
|
29
|
32
|
50
|
51
|
62
|
47
|
28
|
42
|
41
|
46
|
34
|
26
|
24
|
38
|
55
|
52
|
34
|
29
|
13
|
27
|
26
|
24
|
|
2025/04
|
49
|
56
|
61
|
74
|
77
|
71
|
68
|
82
|
71
|
59
|
60
|
66
|
152
|
114
|
91
|
79
|
69
|
64
|
26
|
42
|
45
|
37
|
53
|
37
|
48
|
41
|
27
|
40
|
53
|
26
|
|
|
2025/03
|
46
|
41
|
11
|
21
|
27
|
32
|
32
|
32
|
39
|
44
|
42
|
48
|
54
|
33
|
20
|
45
|
47
|
32
|
36
|
40
|
46
|
59
|
61
|
58
|
64
|
76
|
96
|
81
|
55
|
29
|
47
|
|
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
|
|
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