Air Quality
Excellent
No health implications.
11
PM2.5
21
PM10
72
O3
0.1
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
68
Good
Thu
1 May
83
Good
Fri
2 May
85
Good
Sat
3 May
83
Good
Sun
4 May
63
Good
Mon
5 May
59
Good
Tue
6 May
39
Excellent
Air quality in the last 12 months (Guzhang)
|
2025/02
|
39
|
26
|
51
|
54
|
63
|
65
|
68
|
90
|
57
|
52
|
60
|
76
|
64
|
50
|
46
|
52
|
37
|
37
|
37
|
62
|
106
|
41
|
65
|
93
|
65
|
42
|
43
|
52
|
|||
|
2025/01
|
101
|
125
|
128
|
161
|
119
|
86
|
65
|
56
|
58
|
74
|
85
|
78
|
101
|
98
|
85
|
72
|
93
|
105
|
96
|
86
|
105
|
148
|
167
|
124
|
18
|
29
|
49
|
89
|
197
|
113
|
63
|
|
2024/12
|
49
|
60
|
82
|
74
|
31
|
37
|
49
|
40
|
51
|
43
|
50
|
66
|
81
|
64
|
60
|
58
|
70
|
76
|
76
|
93
|
104
|
75
|
61
|
78
|
86
|
96
|
93
|
107
|
132
|
152
|
98
|
|
2024/11
|
50
|
67
|
63
|
55
|
69
|
56
|
51
|
58
|
59
|
45
|
44
|
59
|
67
|
71
|
80
|
52
|
10
|
11
|
12
|
22
|
28
|
38
|
57
|
52
|
17
|
27
|
29
|
33
|
39
|
45
|
|
|
2024/10
|
16
|
37
|
48
|
45
|
49
|
54
|
43
|
37
|
41
|
46
|
65
|
77
|
55
|
44
|
40
|
38
|
27
|
20
|
18
|
17
|
14
|
19
|
21
|
29
|
34
|
40
|
45
|
46
|
44
|
48
|
48
|
|
2024/09
|
34
|
31
|
45
|
53
|
51
|
42
|
44
|
37
|
29
|
39
|
37
|
36
|
26
|
33
|
39
|
38
|
30
|
31
|
35
|
34
|
33
|
24
|
33
|
39
|
43
|
58
|
58
|
63
|
61
|
46
|
|
|
2024/08
|
11
|
15
|
16
|
22
|
18
|
21
|
24
|
31
|
27
|
30
|
32
|
54
|
42
|
34
|
40
|
34
|
25
|
30
|
24
|
28
|
32
|
30
|
24
|
20
|
21
|
23
|
24
|
22
|
26
|
31
|
31
|
|
2024/07
|
12
|
19
|
19
|
15
|
18
|
15
|
18
|
18
|
20
|
26
|
22
|
24
|
24
|
23
|
20
|
20
|
19
|
18
|
12
|
16
|
20
|
23
|
18
|
18
|
20
|
30
|
24
|
21
|
10
|
17
|
15
|
|
2024/06
|
30
|
31
|
32
|
18
|
14
|
21
|
35
|
25
|
17
|
18
|
17
|
20
|
21
|
20
|
30
|
33
|
21
|
20
|
24
|
16
|
28
|
22
|
19
|
17
|
21
|
17
|
15
|
17
|
11
|
16
|
|
|
2024/05
|
21
|
31
|
16
|
12
|
20
|
31
|
42
|
52
|
55
|
54
|
33
|
44
|
38
|
44
|
50
|
68
|
53
|
40
|
12
|
14
|
33
|
42
|
41
|
39
|
38
|
34
|
24
|
35
|
23
|
12
|
29
|
|
2024/04
|
33
|
25
|
24
|
45
|
42
|
36
|
31
|
31
|
33
|
37
|
40
|
35
|
24
|
28
|
43
|
30
|
16
|
36
|
21
|
31
|
50
|
46
|
37
|
39
|
30
|
28
|
35
|
33
|
29
|
14
|
|
|
2024/03
|
86
|
78
|
65
|
58
|
37
|
68
|
91
|
71
|
69
|
61
|
54
|
53
|
74
|
54
|
53
|
38
|
38
|
29
|
54
|
73
|
63
|
69
|
54
|
32
|
15
|
23
|
38
|
26
|
35
|
40
|
23
|
|
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