Air Quality
Excellent
No health implications.
5
PM2.5
22
PM10
80
O3
0.4
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
59
Good
Thu
15 May
48
Excellent
Fri
16 May
48
Excellent
Sat
17 May
46
Excellent
Sun
18 May
53
Good
Mon
19 May
54
Good
Tue
20 May
44
Excellent
Air quality in the last 12 months (Baiquan)
|
2025/02
|
81
|
149
|
108
|
36
|
49
|
56
|
25
|
19
|
32
|
50
|
80
|
77
|
56
|
32
|
40
|
32
|
22
|
22
|
27
|
30
|
31
|
32
|
38
|
34
|
41
|
26
|
53
|
37
|
|||
|
2025/01
|
138
|
115
|
89
|
156
|
105
|
72
|
76
|
36
|
46
|
91
|
122
|
191
|
168
|
161
|
48
|
43
|
74
|
116
|
167
|
141
|
109
|
82
|
175
|
242
|
240
|
154
|
56
|
50
|
52
|
36
|
57
|
|
2024/12
|
55
|
24
|
29
|
26
|
36
|
24
|
36
|
45
|
116
|
113
|
32
|
61
|
96
|
60
|
41
|
37
|
46
|
55
|
81
|
148
|
62
|
37
|
42
|
50
|
52
|
31
|
39
|
47
|
59
|
81
|
110
|
|
2024/11
|
68
|
76
|
68
|
34
|
55
|
72
|
131
|
129
|
214
|
128
|
268
|
105
|
187
|
310
|
246
|
71
|
23
|
32
|
85
|
124
|
131
|
26
|
57
|
107
|
142
|
74
|
27
|
47
|
28
|
43
|
|
|
2024/10
|
18
|
21
|
22
|
33
|
41
|
23
|
56
|
58
|
46
|
30
|
23
|
25
|
44
|
49
|
11
|
19
|
36
|
32
|
18
|
36
|
37
|
47
|
38
|
74
|
67
|
94
|
74
|
56
|
73
|
102
|
96
|
|
2024/09
|
12
|
18
|
16
|
26
|
11
|
16
|
18
|
16
|
29
|
21
|
14
|
22
|
12
|
18
|
20
|
22
|
19
|
19
|
15
|
15
|
18
|
19
|
25
|
27
|
19
|
22
|
32
|
21
|
38
|
18
|
|
|
2024/08
|
16
|
15
|
16
|
17
|
17
|
19
|
21
|
14
|
24
|
24
|
13
|
11
|
14
|
16
|
19
|
27
|
32
|
25
|
18
|
20
|
21
|
17
|
25
|
24
|
25
|
14
|
17
|
20
|
23
|
14
|
13
|
|
2024/07
|
38
|
40
|
51
|
41
|
42
|
51
|
82
|
84
|
61
|
83
|
87
|
65
|
85
|
67
|
55
|
43
|
21
|
25
|
24
|
24
|
13
|
15
|
16
|
12
|
16
|
15
|
11
|
15
|
14
|
16
|
18
|
|
2024/06
|
23
|
26
|
26
|
15
|
25
|
33
|
29
|
16
|
14
|
20
|
22
|
17
|
22
|
18
|
13
|
17
|
14
|
16
|
30
|
25
|
13
|
13
|
13
|
19
|
26
|
30
|
34
|
44
|
34
|
44
|
|
|
2024/05
|
45
|
43
|
49
|
70
|
57
|
39
|
35
|
56
|
22
|
26
|
19
|
33
|
25
|
15
|
14
|
20
|
38
|
22
|
26
|
26
|
39
|
41
|
14
|
19
|
26
|
20
|
23
|
31
|
17
|
16
|
22
|
|
2024/04
|
24
|
58
|
43
|
24
|
50
|
42
|
28
|
32
|
56
|
124
|
137
|
92
|
67
|
75
|
90
|
36
|
35
|
36
|
23
|
94
|
203
|
183
|
23
|
36
|
38
|
16
|
21
|
18
|
36
|
45
|
|
|
2024/03
|
27
|
30
|
41
|
33
|
36
|
33
|
48
|
24
|
36
|
56
|
47
|
38
|
46
|
41
|
28
|
31
|
21
|
24
|
32
|
30
|
32
|
34
|
58
|
18
|
29
|
64
|
66
|
180
|
27
|
23
|
21
|
|
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