Air Quality
Excellent
No health implications.
23
PM2.5
34
PM10
39
O3
0.7
CO
5
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
43
Excellent
Sat
17 May
53
Good
Sun
18 May
52
Good
Mon
19 May
41
Excellent
Tue
20 May
44
Excellent
Wed
21 May
23
Excellent
Thu
22 May
24
Excellent
Air quality in the last 12 months (Wannian)
|
2025/02
|
23
|
14
|
38
|
51
|
47
|
50
|
67
|
44
|
31
|
47
|
61
|
61
|
79
|
76
|
44
|
56
|
55
|
30
|
36
|
18
|
16
|
18
|
24
|
52
|
72
|
68
|
58
|
41
|
|||
|
2025/01
|
82
|
75
|
76
|
72
|
93
|
68
|
75
|
73
|
57
|
45
|
52
|
61
|
64
|
60
|
76
|
54
|
52
|
56
|
62
|
63
|
61
|
60
|
58
|
63
|
36
|
20
|
53
|
77
|
138
|
56
|
35
|
|
2024/12
|
52
|
56
|
61
|
82
|
46
|
39
|
38
|
64
|
47
|
48
|
22
|
40
|
77
|
58
|
56
|
57
|
59
|
62
|
57
|
59
|
62
|
67
|
55
|
74
|
82
|
82
|
94
|
71
|
68
|
74
|
77
|
|
2024/11
|
20
|
39
|
43
|
53
|
64
|
47
|
37
|
41
|
42
|
43
|
44
|
46
|
46
|
39
|
20
|
25
|
24
|
24
|
31
|
34
|
40
|
32
|
60
|
47
|
34
|
34
|
46
|
54
|
59
|
50
|
|
|
2024/10
|
37
|
32
|
32
|
31
|
33
|
26
|
20
|
16
|
35
|
49
|
55
|
56
|
54
|
59
|
58
|
16
|
32
|
44
|
24
|
18
|
35
|
34
|
39
|
43
|
37
|
42
|
13
|
23
|
48
|
48
|
33
|
|
2024/09
|
51
|
55
|
48
|
42
|
39
|
33
|
33
|
37
|
33
|
33
|
31
|
17
|
29
|
37
|
34
|
30
|
26
|
21
|
34
|
34
|
24
|
24
|
24
|
24
|
41
|
44
|
35
|
25
|
37
|
33
|
|
|
2024/08
|
16
|
25
|
31
|
40
|
41
|
39
|
42
|
39
|
41
|
45
|
42
|
31
|
28
|
22
|
24
|
34
|
38
|
36
|
18
|
27
|
22
|
31
|
34
|
41
|
43
|
50
|
42
|
28
|
31
|
43
|
46
|
|
2024/07
|
25
|
20
|
23
|
22
|
23
|
22
|
21
|
21
|
24
|
28
|
31
|
27
|
27
|
29
|
33
|
32
|
21
|
19
|
22
|
27
|
32
|
31
|
37
|
33
|
22
|
17
|
16
|
16
|
23
|
26
|
24
|
|
2024/06
|
11
|
13
|
23
|
33
|
26
|
19
|
26
|
32
|
35
|
23
|
15
|
22
|
29
|
23
|
18
|
22
|
15
|
14
|
29
|
33
|
33
|
30
|
31
|
19
|
11
|
13
|
22
|
29
|
22
|
25
|
|
|
2024/05
|
11
|
28
|
37
|
21
|
15
|
30
|
39
|
41
|
54
|
56
|
47
|
47
|
62
|
51
|
50
|
58
|
51
|
52
|
52
|
32
|
18
|
22
|
29
|
25
|
23
|
22
|
19
|
17
|
29
|
38
|
20
|
|
2024/04
|
30
|
21
|
21
|
20
|
24
|
32
|
30
|
30
|
30
|
47
|
48
|
33
|
32
|
27
|
45
|
37
|
19
|
19
|
25
|
17
|
22
|
25
|
35
|
49
|
40
|
35
|
33
|
26
|
28
|
15
|
|
|
2024/03
|
28
|
41
|
38
|
37
|
20
|
28
|
43
|
58
|
62
|
61
|
61
|
57
|
70
|
52
|
51
|
56
|
36
|
32
|
55
|
65
|
56
|
55
|
43
|
37
|
27
|
21
|
41
|
30
|
43
|
46
|
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