Air Quality
Excellent
No health implications.
34
PM2.5
47
PM10
97
O3
1.3
CO
4
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Mar
61
Good
Sat
28 Mar
91
Good
Sun
29 Mar
60
Good
Mon
30 Mar
52
Good
Tue
31 Mar
56
Good
Wed
1 Apr
60
Good
Thu
2 Apr
30
Excellent
Guichi Air quality rank
Air quality in the last 12 months (Guichi)
|
2026/02
|
34
|
56
|
67
|
63
|
60
|
51
|
44
|
53
|
49
|
59
|
73
|
74
|
66
|
45
|
54
|
34
|
98
|
63
|
65
|
46
|
37
|
85
|
134
|
32
|
33
|
19
|
27
|
25
|
|||
|
2026/01
|
32
|
69
|
83
|
93
|
96
|
78
|
57
|
53
|
48
|
83
|
76
|
58
|
68
|
55
|
74
|
80
|
169
|
121
|
24
|
43
|
67
|
55
|
70
|
66
|
139
|
73
|
46
|
105
|
80
|
29
|
38
|
|
2025/12
|
111
|
87
|
90
|
71
|
89
|
74
|
69
|
122
|
75
|
86
|
105
|
65
|
38
|
64
|
55
|
59
|
164
|
178
|
120
|
166
|
44
|
47
|
39
|
64
|
94
|
44
|
57
|
61
|
68
|
145
|
47
|
|
2025/11
|
40
|
58
|
47
|
61
|
60
|
34
|
13
|
20
|
26
|
50
|
35
|
42
|
52
|
64
|
76
|
76
|
42
|
38
|
34
|
42
|
60
|
71
|
66
|
64
|
110
|
77
|
179
|
114
|
71
|
58
|
|
|
2025/10
|
28
|
42
|
26
|
41
|
53
|
45
|
71
|
52
|
42
|
56
|
55
|
45
|
28
|
35
|
41
|
32
|
32
|
13
|
21
|
27
|
29
|
33
|
40
|
41
|
52
|
47
|
47
|
65
|
76
|
55
|
34
|
|
2025/09
|
18
|
23
|
26
|
35
|
33
|
33
|
48
|
40
|
14
|
16
|
18
|
19
|
27
|
23
|
25
|
33
|
35
|
31
|
37
|
27
|
19
|
33
|
52
|
12
|
25
|
35
|
39
|
42
|
42
|
28
|
|
|
2025/08
|
17
|
19
|
22
|
26
|
22
|
16
|
14
|
20
|
24
|
31
|
15
|
28
|
30
|
20
|
19
|
23
|
27
|
28
|
27
|
22
|
21
|
13
|
21
|
19
|
22
|
17
|
31
|
29
|
31
|
28
|
16
|
|
2025/07
|
20
|
22
|
26
|
30
|
36
|
40
|
35
|
18
|
20
|
27
|
27
|
19
|
27
|
36
|
29
|
26
|
21
|
37
|
31
|
14
|
15
|
11
|
21
|
23
|
23
|
24
|
20
|
27
|
18
|
23
|
14
|
|
2025/06
|
11
|
10
|
29
|
40
|
36
|
30
|
24
|
14
|
28
|
22
|
18
|
26
|
36
|
21
|
14
|
33
|
31
|
14
|
10
|
13
|
11
|
13
|
18
|
28
|
28
|
22
|
17
|
14
|
21
|
20
|
|
|
2025/05
|
46
|
52
|
58
|
46
|
37
|
149
|
143
|
51
|
19
|
37
|
45
|
42
|
37
|
46
|
51
|
20
|
30
|
97
|
50
|
26
|
19
|
22
|
39
|
64
|
52
|
52
|
60
|
53
|
37
|
40
|
25
|
|
2025/04
|
46
|
57
|
65
|
62
|
69
|
63
|
61
|
59
|
60
|
59
|
57
|
194
|
119
|
100
|
47
|
50
|
62
|
65
|
75
|
63
|
40
|
38
|
44
|
49
|
54
|
51
|
27
|
51
|
53
|
53
|
|
|
2025/03
|
35
|
28
|
21
|
53
|
74
|
79
|
71
|
66
|
93
|
46
|
45
|
50
|
32
|
37
|
23
|
49
|
28
|
48
|
47
|
44
|
41
|
46
|
57
|
53
|
56
|
64
|
68
|
73
|
75
|
80
|
52
|
|
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