Air Quality
Excellent
No health implications.
8
PM2.5
12
PM10
31
O3
0.8
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
51
Good
Thu
13 Aug
50
Excellent
Fri
14 Aug
52
Good
Sat
15 Aug
59
Good
Sun
16 Aug
85
Good
Mon
17 Aug
83
Good
Tue
18 Aug
49
Excellent
Air quality in the last 12 months (Long'an)
|
2026/07
|
67
|
69
|
55
|
53
|
59
|
38
|
34
|
40
|
47
|
31
|
33
|
38
|
38
|
59
|
37
|
38
|
35
|
35
|
42
|
45
|
42
|
37
|
37
|
38
|
41
|
39
|
28
|
37
|
17
|
19
|
28
|
|
2026/06
|
80
|
92
|
92
|
44
|
62
|
34
|
37
|
45
|
49
|
77
|
77
|
72
|
56
|
69
|
66
|
54
|
58
|
52
|
33
|
40
|
35
|
34
|
47
|
42
|
53
|
52
|
78
|
55
|
51
|
60
|
|
|
2026/05
|
59
|
36
|
33
|
52
|
58
|
58
|
48
|
54
|
58
|
64
|
64
|
69
|
72
|
74
|
58
|
51
|
53
|
32
|
43
|
33
|
31
|
37
|
48
|
52
|
30
|
26
|
48
|
51
|
48
|
53
|
58
|
|
2026/04
|
85
|
92
|
53
|
58
|
104
|
82
|
66
|
67
|
63
|
62
|
63
|
68
|
44
|
68
|
58
|
86
|
80
|
68
|
70
|
77
|
51
|
34
|
50
|
47
|
49
|
63
|
93
|
69
|
47
|
57
|
|
|
2026/03
|
82
|
117
|
154
|
122
|
97
|
77
|
66
|
111
|
94
|
142
|
137
|
157
|
167
|
125
|
38
|
62
|
131
|
52
|
70
|
114
|
95
|
77
|
121
|
114
|
91
|
80
|
123
|
122
|
41
|
66
|
69
|
|
2026/02
|
149
|
160
|
155
|
147
|
103
|
61
|
70
|
88
|
82
|
75
|
91
|
104
|
126
|
136
|
50
|
55
|
104
|
63
|
52
|
58
|
101
|
413
|
132
|
74
|
48
|
55
|
89
|
81
|
|||
|
2026/01
|
64
|
122
|
174
|
219
|
237
|
61
|
51
|
68
|
67
|
84
|
56
|
77
|
98
|
136
|
93
|
139
|
80
|
70
|
53
|
44
|
79
|
136
|
178
|
223
|
203
|
171
|
212
|
257
|
156
|
128
|
210
|
|
2025/12
|
168
|
50
|
53
|
69
|
89
|
108
|
68
|
77
|
122
|
183
|
150
|
40
|
57
|
66
|
89
|
173
|
127
|
208
|
210
|
140
|
89
|
63
|
94
|
92
|
61
|
82
|
148
|
173
|
142
|
147
|
46
|
|
2025/11
|
76
|
53
|
86
|
116
|
106
|
224
|
94
|
74
|
64
|
93
|
110
|
122
|
80
|
80
|
101
|
91
|
45
|
41
|
50
|
66
|
68
|
73
|
66
|
103
|
66
|
152
|
228
|
162
|
157
|
150
|
|
|
2025/10
|
51
|
29
|
44
|
46
|
28
|
14
|
35
|
26
|
10
|
13
|
23
|
19
|
35
|
42
|
55
|
61
|
30
|
28
|
46
|
34
|
42
|
68
|
83
|
106
|
52
|
147
|
131
|
152
|
101
|
188
|
217
|
|
2025/09
|
47
|
38
|
28
|
28
|
48
|
63
|
62
|
63
|
32
|
34
|
35
|
35
|
51
|
58
|
39
|
38
|
22
|
33
|
25
|
36
|
54
|
22
|
35
|
36
|
51
|
58
|
31
|
45
|
51
|
57
|
|
|
2025/08
|
45
|
44
|
44
|
55
|
47
|
49
|
55
|
53
|
24
|
31
|
42
|
28
|
36
|
42
|
36
|
22
|
30
|
41
|
46
|
45
|
36
|
41
|
42
|
25
|
38
|
48
|
53
|
32
|
35
|
35
|
30
|
|
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