Air Quality
Excellent
No health implications.
16
PM2.5
27
PM10
38
O3
0.5
CO
6
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
73
Good
Thu
1 May
89
Good
Fri
2 May
100
Good
Sat
3 May
102
Light
Sun
4 May
90
Good
Mon
5 May
38
Excellent
Tue
6 May
16
Excellent
Air quality in the last 12 months (Qianwei)
|
2025/02
|
46
|
38
|
46
|
54
|
33
|
31
|
28
|
30
|
42
|
53
|
69
|
52
|
60
|
58
|
63
|
74
|
89
|
92
|
73
|
48
|
42
|
27
|
36
|
31
|
32
|
40
|
74
|
91
|
|||
|
2025/01
|
120
|
147
|
137
|
166
|
131
|
128
|
86
|
51
|
50
|
83
|
38
|
71
|
90
|
88
|
89
|
89
|
102
|
67
|
75
|
91
|
143
|
195
|
186
|
98
|
27
|
47
|
65
|
69
|
150
|
113
|
75
|
|
2024/12
|
90
|
130
|
122
|
115
|
60
|
58
|
46
|
30
|
33
|
48
|
58
|
61
|
53
|
49
|
48
|
70
|
113
|
157
|
139
|
111
|
119
|
86
|
62
|
60
|
57
|
63
|
101
|
78
|
98
|
64
|
74
|
|
2024/11
|
29
|
40
|
57
|
34
|
39
|
58
|
52
|
53
|
54
|
40
|
35
|
43
|
40
|
43
|
62
|
32
|
20
|
18
|
26
|
29
|
52
|
60
|
63
|
45
|
14
|
22
|
37
|
46
|
61
|
66
|
|
|
2024/10
|
18
|
31
|
18
|
26
|
36
|
34
|
40
|
46
|
51
|
35
|
27
|
23
|
27
|
33
|
53
|
83
|
21
|
34
|
24
|
21
|
18
|
21
|
42
|
53
|
36
|
23
|
23
|
42
|
66
|
54
|
53
|
|
2024/09
|
23
|
34
|
33
|
37
|
24
|
29
|
41
|
44
|
39
|
24
|
21
|
38
|
40
|
29
|
42
|
24
|
32
|
38
|
50
|
50
|
25
|
42
|
52
|
62
|
61
|
56
|
69
|
75
|
56
|
7
|
|
|
2024/08
|
35
|
44
|
39
|
17
|
23
|
36
|
41
|
34
|
40
|
24
|
47
|
48
|
51
|
57
|
59
|
36
|
43
|
35
|
45
|
51
|
55
|
68
|
68
|
62
|
60
|
48
|
50
|
55
|
61
|
52
|
44
|
|
2024/07
|
16
|
25
|
30
|
37
|
32
|
31
|
43
|
21
|
10
|
9
|
21
|
22
|
29
|
14
|
25
|
27
|
26
|
15
|
23
|
22
|
22
|
21
|
36
|
21
|
25
|
45
|
40
|
21
|
24
|
25
|
35
|
|
2024/06
|
55
|
35
|
42
|
27
|
28
|
44
|
23
|
26
|
33
|
35
|
29
|
27
|
39
|
43
|
46
|
57
|
27
|
38
|
27
|
27
|
20
|
19
|
27
|
29
|
33
|
23
|
15
|
23
|
19
|
23
|
|
|
2024/05
|
42
|
36
|
33
|
23
|
38
|
67
|
79
|
59
|
35
|
46
|
34
|
34
|
36
|
52
|
54
|
49
|
65
|
31
|
40
|
34
|
30
|
44
|
47
|
49
|
53
|
25
|
39
|
33
|
18
|
21
|
32
|
|
2024/04
|
60
|
53
|
61
|
55
|
57
|
31
|
34
|
39
|
52
|
43
|
39
|
51
|
54
|
60
|
66
|
39
|
32
|
33
|
34
|
50
|
58
|
74
|
34
|
35
|
48
|
83
|
87
|
95
|
39
|
17
|
|
|
2024/03
|
66
|
63
|
85
|
107
|
82
|
66
|
61
|
67
|
99
|
112
|
52
|
75
|
60
|
57
|
77
|
71
|
88
|
44
|
60
|
66
|
65
|
79
|
82
|
63
|
27
|
53
|
53
|
38
|
52
|
60
|
54
|
|
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