Air Quality
Excellent
No health implications.
8
PM2.5
14
PM10
95
O3
0.4
CO
8
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jun
52
Good
Sun
29 Jun
49
Excellent
Mon
30 Jun
72
Good
Tue
1 Jul
76
Good
Wed
2 Jul
82
Good
Thu
3 Jul
84
Good
Fri
4 Jul
43
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