Air Quality
Excellent
No health implications.
21
PM2.5
45
PM10
73
O3
0.7
CO
8
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
77
Good
Mon
5 May
88
Good
Tue
6 May
92
Good
Wed
7 May
101
Light
Thu
8 May
63
Good
Fri
9 May
83
Good
Sat
10 May
31
Excellent
Air quality in the last 12 months (Hannan)
|
2025/02
|
72
|
59
|
86
|
82
|
58
|
42
|
75
|
41
|
50
|
61
|
78
|
92
|
122
|
87
|
84
|
74
|
59
|
62
|
59
|
88
|
86
|
76
|
120
|
125
|
116
|
90
|
53
|
55
|
|||
|
2025/01
|
115
|
162
|
195
|
208
|
83
|
81
|
65
|
70
|
51
|
48
|
88
|
85
|
99
|
103
|
62
|
66
|
90
|
91
|
117
|
140
|
130
|
122
|
227
|
114
|
29
|
38
|
53
|
60
|
148
|
79
|
114
|
|
2024/12
|
56
|
73
|
115
|
83
|
50
|
55
|
52
|
72
|
59
|
81
|
92
|
101
|
84
|
56
|
59
|
62
|
83
|
85
|
75
|
99
|
106
|
64
|
78
|
95
|
125
|
149
|
156
|
49
|
52
|
105
|
138
|
|
2024/11
|
65
|
86
|
83
|
80
|
58
|
55
|
49
|
48
|
51
|
51
|
61
|
55
|
58
|
68
|
83
|
64
|
19
|
19
|
25
|
29
|
45
|
57
|
72
|
61
|
32
|
34
|
47
|
54
|
55
|
51
|
|
|
2024/10
|
19
|
47
|
36
|
32
|
39
|
65
|
26
|
28
|
49
|
75
|
83
|
69
|
77
|
68
|
66
|
48
|
26
|
21
|
19
|
33
|
31
|
23
|
39
|
51
|
50
|
42
|
58
|
81
|
70
|
62
|
46
|
|
2024/09
|
43
|
50
|
40
|
44
|
50
|
49
|
42
|
42
|
48
|
41
|
40
|
28
|
29
|
34
|
39
|
26
|
43
|
37
|
26
|
33
|
31
|
22
|
30
|
38
|
55
|
60
|
57
|
32
|
35
|
44
|
|
|
2024/08
|
16
|
20
|
25
|
24
|
25
|
28
|
31
|
35
|
30
|
33
|
79
|
74
|
40
|
34
|
28
|
29
|
37
|
38
|
32
|
28
|
30
|
36
|
34
|
29
|
29
|
35
|
25
|
18
|
38
|
36
|
43
|
|
2024/07
|
23
|
22
|
25
|
17
|
19
|
19
|
21
|
24
|
25
|
27
|
39
|
41
|
23
|
33
|
33
|
33
|
25
|
20
|
17
|
19
|
22
|
24
|
28
|
41
|
37
|
27
|
18
|
10
|
10
|
18
|
18
|
|
2024/06
|
26
|
37
|
33
|
23
|
28
|
34
|
32
|
34
|
25
|
20
|
18
|
31
|
35
|
31
|
34
|
39
|
40
|
31
|
12
|
23
|
20
|
14
|
19
|
23
|
17
|
26
|
19
|
10
|
9
|
13
|
|
|
2024/05
|
38
|
30
|
30
|
26
|
31
|
29
|
46
|
49
|
50
|
51
|
56
|
109
|
80
|
66
|
68
|
56
|
61
|
58
|
67
|
43
|
44
|
25
|
24
|
38
|
35
|
36
|
27
|
24
|
29
|
68
|
43
|
|
2024/04
|
35
|
21
|
51
|
58
|
50
|
39
|
49
|
48
|
37
|
36
|
47
|
37
|
41
|
37
|
40
|
44
|
42
|
38
|
26
|
45
|
59
|
43
|
41
|
98
|
87
|
70
|
48
|
29
|
29
|
27
|
|
|
2024/03
|
50
|
48
|
43
|
37
|
75
|
61
|
72
|
74
|
68
|
80
|
80
|
67
|
57
|
47
|
67
|
81
|
63
|
57
|
59
|
75
|
63
|
58
|
50
|
39
|
23
|
36
|
44
|
46
|
37
|
47
|
39
|
|
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