Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
80
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jun
79
Good
Tue
10 Jun
79
Good
Wed
11 Jun
91
Good
Thu
12 Jun
105
Light
Fri
13 Jun
113
Light
Sat
14 Jun
112
Light
Sun
15 Jun
18
Excellent
Air quality in the last 12 months (Hong'an)
|
2025/05
|
52
|
62
|
52
|
49
|
42
|
117
|
124
|
46
|
45
|
42
|
44
|
47
|
57
|
73
|
58
|
43
|
76
|
122
|
84
|
42
|
33
|
30
|
59
|
58
|
50
|
61
|
62
|
56
|
40
|
38
|
17
|
|
2025/04
|
68
|
70
|
62
|
83
|
81
|
69
|
69
|
70
|
73
|
61
|
53
|
191
|
115
|
88
|
55
|
59
|
67
|
66
|
57
|
59
|
45
|
63
|
68
|
70
|
69
|
52
|
46
|
48
|
44
|
42
|
|
|
2025/03
|
90
|
48
|
24
|
45
|
55
|
75
|
82
|
85
|
95
|
93
|
72
|
95
|
90
|
49
|
41
|
48
|
40
|
50
|
50
|
55
|
50
|
61
|
74
|
66
|
55
|
71
|
103
|
77
|
79
|
71
|
75
|
|
2025/02
|
81
|
73
|
108
|
88
|
70
|
45
|
80
|
50
|
53
|
67
|
72
|
95
|
91
|
82
|
83
|
91
|
79
|
75
|
89
|
86
|
71
|
79
|
112
|
104
|
98
|
100
|
73
|
88
|
|||
|
2025/01
|
122
|
171
|
175
|
210
|
80
|
81
|
61
|
65
|
53
|
54
|
76
|
87
|
98
|
114
|
66
|
67
|
80
|
93
|
145
|
133
|
128
|
167
|
188
|
84
|
31
|
55
|
60
|
92
|
216
|
85
|
130
|
|
2024/12
|
75
|
93
|
110
|
82
|
59
|
56
|
76
|
63
|
61
|
82
|
89
|
102
|
88
|
61
|
60
|
78
|
101
|
82
|
67
|
100
|
91
|
58
|
70
|
94
|
117
|
138
|
158
|
54
|
70
|
100
|
120
|
|
2024/11
|
101
|
104
|
107
|
97
|
60
|
66
|
57
|
61
|
69
|
69
|
67
|
67
|
65
|
86
|
121
|
83
|
28
|
30
|
32
|
41
|
49
|
69
|
80
|
67
|
40
|
45
|
55
|
56
|
55
|
68
|
|
|
2024/10
|
32
|
58
|
46
|
44
|
58
|
46
|
24
|
40
|
61
|
97
|
96
|
78
|
69
|
67
|
90
|
78
|
35
|
20
|
30
|
41
|
38
|
36
|
49
|
55
|
50
|
54
|
100
|
142
|
102
|
76
|
47
|
|
2024/09
|
43
|
51
|
32
|
41
|
49
|
46
|
47
|
50
|
49
|
44
|
46
|
27
|
28
|
39
|
46
|
34
|
43
|
33
|
27
|
35
|
40
|
36
|
41
|
43
|
58
|
57
|
62
|
43
|
48
|
50
|
|
|
2024/08
|
16
|
18
|
25
|
21
|
23
|
27
|
27
|
34
|
32
|
35
|
76
|
65
|
35
|
33
|
27
|
24
|
32
|
43
|
30
|
22
|
28
|
38
|
34
|
34
|
36
|
41
|
20
|
24
|
35
|
32
|
41
|
|
2024/07
|
30
|
26
|
30
|
19
|
22
|
21
|
23
|
23
|
23
|
25
|
30
|
29
|
19
|
18
|
33
|
42
|
27
|
20
|
20
|
21
|
21
|
25
|
27
|
35
|
29
|
24
|
16
|
12
|
14
|
20
|
18
|
|
2024/06
|
48
|
46
|
35
|
38
|
35
|
45
|
39
|
45
|
35
|
29
|
25
|
34
|
41
|
41
|
43
|
49
|
43
|
37
|
19
|
23
|
22
|
19
|
27
|
51
|
43
|
40
|
27
|
13
|
15
|
25
|
|
|
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