Air Quality
Excellent
No health implications.
35
PM2.5
50
PM10
77
O3
0.6
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
89
Good
Sun
25 May
88
Good
Mon
26 May
77
Good
Tue
27 May
58
Good
Wed
28 May
84
Good
Thu
29 May
27
Excellent
Fri
30 May
25
Excellent
Air quality in the last 12 months (Hantai)
|
2025/04
|
60
|
77
|
76
|
65
|
87
|
59
|
57
|
63
|
71
|
67
|
81
|
500
|
271
|
83
|
62
|
65
|
72
|
95
|
109
|
58
|
56
|
74
|
85
|
56
|
54
|
47
|
39
|
47
|
53
|
41
|
|
|
2025/03
|
112
|
70
|
28
|
15
|
23
|
37
|
47
|
57
|
65
|
50
|
59
|
90
|
52
|
37
|
55
|
49
|
55
|
51
|
49
|
56
|
55
|
57
|
58
|
58
|
53
|
63
|
262
|
69
|
64
|
58
|
37
|
|
2025/02
|
78
|
51
|
44
|
68
|
85
|
60
|
56
|
75
|
80
|
84
|
86
|
59
|
67
|
61
|
58
|
69
|
70
|
61
|
59
|
92
|
128
|
97
|
53
|
71
|
67
|
50
|
53
|
82
|
|||
|
2025/01
|
162
|
137
|
117
|
183
|
218
|
250
|
238
|
141
|
101
|
96
|
87
|
83
|
107
|
109
|
79
|
76
|
123
|
146
|
120
|
123
|
137
|
198
|
253
|
137
|
35
|
67
|
82
|
119
|
221
|
226
|
146
|
|
2024/12
|
118
|
130
|
130
|
72
|
88
|
86
|
98
|
98
|
72
|
77
|
66
|
71
|
42
|
70
|
87
|
104
|
125
|
105
|
74
|
128
|
161
|
108
|
69
|
112
|
122
|
129
|
94
|
78
|
131
|
167
|
145
|
|
2024/11
|
41
|
33
|
38
|
50
|
44
|
47
|
56
|
63
|
62
|
59
|
60
|
46
|
35
|
33
|
34
|
32
|
19
|
16
|
14
|
26
|
38
|
50
|
52
|
49
|
27
|
47
|
62
|
58
|
64
|
92
|
|
|
2024/10
|
27
|
27
|
37
|
50
|
50
|
51
|
53
|
53
|
41
|
32
|
36
|
32
|
40
|
39
|
40
|
45
|
47
|
45
|
41
|
13
|
15
|
29
|
43
|
48
|
44
|
35
|
26
|
35
|
48
|
56
|
48
|
|
2024/09
|
36
|
41
|
34
|
27
|
18
|
39
|
30
|
35
|
32
|
20
|
39
|
34
|
32
|
25
|
30
|
19
|
21
|
36
|
34
|
27
|
19
|
26
|
34
|
51
|
65
|
56
|
61
|
65
|
46
|
16
|
|
|
2024/08
|
32
|
36
|
29
|
19
|
17
|
23
|
28
|
24
|
29
|
57
|
64
|
47
|
42
|
34
|
34
|
36
|
29
|
20
|
28
|
26
|
30
|
40
|
43
|
39
|
29
|
35
|
29
|
25
|
37
|
36
|
39
|
|
2024/07
|
24
|
28
|
28
|
29
|
20
|
22
|
21
|
17
|
14
|
15
|
18
|
28
|
43
|
19
|
14
|
23
|
19
|
19
|
16
|
20
|
29
|
34
|
35
|
66
|
68
|
58
|
52
|
47
|
34
|
29
|
27
|
|
2024/06
|
66
|
42
|
47
|
30
|
25
|
28
|
30
|
31
|
40
|
47
|
44
|
42
|
41
|
36
|
36
|
27
|
27
|
27
|
33
|
21
|
13
|
32
|
40
|
46
|
24
|
29
|
28
|
31
|
39
|
45
|
|
|
2024/05
|
25
|
23
|
18
|
28
|
33
|
52
|
51
|
50
|
28
|
39
|
69
|
67
|
67
|
61
|
60
|
56
|
66
|
77
|
32
|
34
|
38
|
51
|
47
|
47
|
41
|
27
|
43
|
42
|
30
|
43
|
61
|
|
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