Air Quality
Excellent
No health implications.
28
PM2.5
41
PM10
139
O3
0.5
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
84
Good
Mon
5 May
74
Good
Tue
6 May
65
Good
Wed
7 May
81
Good
Thu
8 May
76
Good
Fri
9 May
78
Good
Sat
10 May
36
Excellent
Air quality in the last 12 months (Zhifu)
|
2025/02
|
43
|
63
|
28
|
21
|
23
|
41
|
33
|
24
|
27
|
55
|
37
|
33
|
54
|
73
|
95
|
73
|
24
|
31
|
34
|
42
|
40
|
24
|
32
|
38
|
66
|
88
|
101
|
116
|
|||
|
2025/01
|
58
|
35
|
33
|
65
|
143
|
38
|
31
|
26
|
20
|
23
|
40
|
60
|
85
|
63
|
25
|
47
|
45
|
78
|
107
|
44
|
80
|
29
|
33
|
37
|
68
|
67
|
46
|
25
|
53
|
39
|
32
|
|
2024/12
|
65
|
45
|
28
|
38
|
59
|
33
|
18
|
26
|
58
|
67
|
26
|
38
|
44
|
30
|
36
|
39
|
29
|
24
|
26
|
88
|
32
|
35
|
41
|
43
|
95
|
37
|
39
|
35
|
59
|
85
|
45
|
|
2024/11
|
91
|
100
|
48
|
46
|
26
|
31
|
49
|
41
|
47
|
67
|
55
|
74
|
39
|
28
|
38
|
54
|
25
|
18
|
39
|
70
|
72
|
23
|
26
|
32
|
31
|
26
|
20
|
28
|
32
|
50
|
|
|
2024/10
|
15
|
13
|
16
|
24
|
22
|
37
|
38
|
34
|
24
|
55
|
41
|
47
|
38
|
20
|
43
|
20
|
35
|
18
|
46
|
29
|
26
|
26
|
31
|
76
|
66
|
72
|
60
|
21
|
58
|
93
|
112
|
|
2024/09
|
39
|
21
|
26
|
24
|
21
|
19
|
24
|
30
|
22
|
22
|
19
|
20
|
49
|
31
|
23
|
31
|
26
|
27
|
32
|
32
|
20
|
19
|
21
|
21
|
24
|
38
|
25
|
28
|
21
|
20
|
|
|
2024/08
|
25
|
39
|
23
|
26
|
11
|
15
|
19
|
27
|
31
|
24
|
57
|
68
|
52
|
52
|
49
|
44
|
39
|
24
|
15
|
12
|
19
|
30
|
48
|
30
|
38
|
33
|
16
|
22
|
30
|
47
|
38
|
|
2024/07
|
50
|
27
|
37
|
41
|
23
|
19
|
34
|
54
|
57
|
56
|
59
|
54
|
65
|
45
|
41
|
12
|
21
|
44
|
45
|
15
|
22
|
14
|
12
|
22
|
11
|
11
|
16
|
27
|
26
|
31
|
27
|
|
2024/06
|
36
|
41
|
39
|
36
|
21
|
24
|
21
|
37
|
63
|
55
|
57
|
23
|
24
|
18
|
31
|
36
|
32
|
36
|
17
|
21
|
12
|
16
|
64
|
39
|
30
|
31
|
23
|
20
|
18
|
34
|
|
|
2024/05
|
41
|
53
|
42
|
30
|
21
|
58
|
72
|
57
|
61
|
43
|
88
|
37
|
47
|
81
|
44
|
43
|
55
|
46
|
34
|
64
|
42
|
24
|
39
|
33
|
32
|
33
|
24
|
29
|
31
|
24
|
36
|
|
2024/04
|
53
|
36
|
50
|
51
|
62
|
64
|
79
|
87
|
73
|
58
|
52
|
29
|
18
|
27
|
66
|
101
|
63
|
86
|
84
|
50
|
61
|
33
|
33
|
31
|
55
|
45
|
19
|
42
|
56
|
45
|
|
|
2024/03
|
45
|
67
|
89
|
76
|
59
|
52
|
63
|
71
|
47
|
44
|
54
|
70
|
69
|
99
|
81
|
48
|
93
|
59
|
61
|
30
|
51
|
84
|
63
|
62
|
56
|
64
|
57
|
203
|
150
|
106
|
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