Air Quality
Excellent
No health implications.
5
PM2.5
8
PM10
82
O3
0.5
CO
2
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Mar
58
Good
Mon
16 Mar
54
Good
Tue
17 Mar
55
Good
Wed
18 Mar
54
Good
Thu
19 Mar
54
Good
Fri
20 Mar
54
Good
Sat
21 Mar
23
Excellent
Guandu Air quality rank
Air quality in the last 12 months (Guandu)
|
2026/02
|
36
|
41
|
35
|
41
|
38
|
40
|
53
|
52
|
37
|
32
|
31
|
27
|
28
|
36
|
41
|
59
|
108
|
51
|
40
|
31
|
22
|
26
|
35
|
42
|
44
|
37
|
33
|
43
|
|||
|
2026/01
|
44
|
28
|
23
|
19
|
30
|
41
|
36
|
33
|
29
|
27
|
49
|
30
|
56
|
38
|
52
|
31
|
44
|
42
|
35
|
32
|
26
|
31
|
33
|
33
|
32
|
36
|
33
|
39
|
32
|
33
|
46
|
|
2025/12
|
48
|
40
|
58
|
30
|
30
|
39
|
45
|
52
|
28
|
40
|
46
|
35
|
63
|
56
|
28
|
33
|
51
|
36
|
28
|
36
|
39
|
23
|
30
|
24
|
43
|
39
|
41
|
39
|
28
|
27
|
27
|
|
2025/11
|
31
|
14
|
10
|
24
|
18
|
11
|
19
|
30
|
10
|
11
|
18
|
24
|
25
|
30
|
33
|
36
|
36
|
26
|
19
|
33
|
41
|
30
|
28
|
47
|
38
|
62
|
44
|
57
|
57
|
50
|
|
|
2025/10
|
7
|
10
|
12
|
13
|
16
|
25
|
7
|
7
|
9
|
13
|
17
|
19
|
31
|
32
|
26
|
19
|
13
|
18
|
24
|
28
|
17
|
22
|
20
|
33
|
32
|
25
|
27
|
28
|
23
|
31
|
39
|
|
2025/09
|
21
|
24
|
19
|
15
|
15
|
19
|
23
|
26
|
22
|
21
|
11
|
11
|
11
|
10
|
19
|
12
|
15
|
19
|
19
|
27
|
19
|
23
|
16
|
13
|
28
|
12
|
12
|
14
|
11
|
8
|
|
|
2025/08
|
27
|
30
|
21
|
18
|
26
|
26
|
15
|
10
|
14
|
14
|
13
|
16
|
20
|
40
|
28
|
11
|
13
|
20
|
26
|
24
|
10
|
7
|
8
|
11
|
12
|
11
|
12
|
13
|
13
|
15
|
21
|
|
2025/07
|
13
|
9
|
12
|
13
|
12
|
15
|
17
|
11
|
15
|
19
|
17
|
26
|
29
|
25
|
30
|
34
|
28
|
25
|
13
|
22
|
18
|
12
|
11
|
12
|
13
|
15
|
14
|
23
|
42
|
28
|
20
|
|
2025/06
|
9
|
16
|
16
|
21
|
22
|
32
|
32
|
39
|
35
|
32
|
31
|
42
|
49
|
45
|
17
|
22
|
15
|
8
|
11
|
14
|
23
|
11
|
17
|
11
|
11
|
18
|
15
|
15
|
11
|
15
|
|
|
2025/05
|
35
|
25
|
20
|
17
|
24
|
26
|
28
|
32
|
46
|
38
|
21
|
29
|
28
|
30
|
27
|
22
|
32
|
29
|
31
|
25
|
33
|
33
|
54
|
29
|
18
|
16
|
12
|
12
|
15
|
13
|
9
|
|
2025/04
|
36
|
54
|
82
|
78
|
89
|
73
|
75
|
65
|
62
|
68
|
54
|
55
|
72
|
61
|
55
|
24
|
21
|
25
|
29
|
34
|
30
|
28
|
36
|
51
|
44
|
59
|
64
|
61
|
32
|
30
|
|
|
2025/03
|
41
|
44
|
45
|
43
|
51
|
51
|
37
|
54
|
48
|
47
|
52
|
64
|
66
|
69
|
60
|
41
|
27
|
20
|
37
|
49
|
65
|
61
|
54
|
46
|
40
|
40
|
43
|
89
|
113
|
79
|
66
|
|
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