Air Quality
Excellent
No health implications.
8
PM2.5
10
PM10
43
O3
0.8
CO
5
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
51
Good
Mon
25 May
61
Good
Tue
26 May
85
Good
Wed
27 May
44
Excellent
Thu
28 May
53
Good
Fri
29 May
48
Excellent
Sat
30 May
40
Excellent
Air quality in the last 12 months (Zhengxiang)
|
2026/04
|
49
|
44
|
24
|
49
|
64
|
40
|
45
|
56
|
51
|
43
|
25
|
33
|
41
|
23
|
29
|
25
|
39
|
41
|
55
|
42
|
16
|
19
|
28
|
44
|
53
|
60
|
62
|
47
|
27
|
34
|
|
|
2026/03
|
14
|
25
|
48
|
73
|
57
|
61
|
73
|
33
|
34
|
62
|
48
|
57
|
62
|
60
|
116
|
32
|
41
|
23
|
31
|
27
|
45
|
38
|
30
|
28
|
85
|
40
|
40
|
41
|
47
|
25
|
28
|
|
2026/02
|
53
|
64
|
71
|
99
|
113
|
87
|
77
|
64
|
62
|
66
|
75
|
90
|
80
|
72
|
85
|
26
|
92
|
77
|
55
|
50
|
79
|
80
|
62
|
38
|
54
|
35
|
22
|
26
|
|||
|
2026/01
|
39
|
61
|
73
|
77
|
65
|
88
|
82
|
67
|
75
|
112
|
118
|
114
|
131
|
106
|
109
|
138
|
115
|
120
|
43
|
26
|
58
|
61
|
68
|
54
|
71
|
68
|
136
|
90
|
64
|
33
|
46
|
|
2025/12
|
94
|
124
|
96
|
70
|
80
|
97
|
119
|
130
|
133
|
152
|
137
|
149
|
29
|
56
|
66
|
69
|
81
|
136
|
106
|
85
|
99
|
103
|
55
|
53
|
62
|
68
|
84
|
98
|
109
|
132
|
174
|
|
2025/11
|
45
|
40
|
27
|
31
|
35
|
27
|
49
|
14
|
11
|
17
|
42
|
54
|
45
|
50
|
55
|
67
|
72
|
31
|
36
|
48
|
55
|
66
|
84
|
70
|
58
|
68
|
80
|
89
|
88
|
80
|
|
|
2025/10
|
75
|
55
|
34
|
54
|
45
|
29
|
54
|
59
|
42
|
49
|
54
|
108
|
79
|
51
|
63
|
46
|
45
|
18
|
9
|
9
|
10
|
26
|
37
|
41
|
56
|
64
|
63
|
57
|
73
|
85
|
56
|
|
2025/09
|
22
|
25
|
28
|
37
|
41
|
40
|
42
|
36
|
22
|
26
|
21
|
22
|
25
|
32
|
35
|
40
|
30
|
36
|
30
|
23
|
24
|
22
|
25
|
13
|
18
|
22
|
35
|
52
|
65
|
48
|
|
|
2025/08
|
34
|
42
|
23
|
26
|
27
|
16
|
18
|
21
|
29
|
29
|
33
|
45
|
38
|
25
|
14
|
27
|
28
|
24
|
13
|
21
|
18
|
20
|
27
|
23
|
26
|
24
|
37
|
30
|
29
|
23
|
25
|
|
2025/07
|
17
|
18
|
21
|
25
|
41
|
46
|
48
|
43
|
41
|
28
|
28
|
28
|
26
|
34
|
22
|
24
|
25
|
37
|
33
|
27
|
20
|
17
|
15
|
25
|
25
|
27
|
19
|
26
|
24
|
26
|
27
|
|
2025/06
|
18
|
22
|
36
|
46
|
51
|
44
|
35
|
26
|
36
|
41
|
40
|
24
|
33
|
20
|
16
|
26
|
17
|
12
|
17
|
24
|
25
|
17
|
25
|
22
|
38
|
34
|
16
|
17
|
19
|
20
|
|
|
2025/05
|
50
|
64
|
68
|
56
|
43
|
49
|
71
|
49
|
30
|
53
|
50
|
71
|
58
|
51
|
62
|
29
|
31
|
24
|
28
|
22
|
24
|
22
|
24
|
53
|
52
|
49
|
52
|
21
|
19
|
30
|
18
|
|
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