Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
Mon
12 May
Tue
13 May
Wed
14 May
Thu
15 May
Fri
16 May
Sat
17 May
Real-time AQI (Monitoring Station in Qianxinan Prefecture)
场坝街
228
PM2.5
22
PM10
68
O3
0.2
CO
12
SO2
10
NO2
坪东大道
229
PM2.5
12
PM10
70
O3
0.4
CO
12
SO2
10
NO2
Air quality in the last 12 months (Qianxinan Prefecture)
|
2025/02
|
63
|
36
|
28
|
43
|
54
|
30
|
27
|
32
|
34
|
39
|
35
|
69
|
44
|
43
|
33
|
44
|
38
|
23
|
20
|
20
|
20
|
19
|
24
|
20
|
22
|
21
|
24
|
38
|
|||
|
2025/01
|
81
|
90
|
55
|
84
|
46
|
75
|
108
|
39
|
32
|
46
|
58
|
58
|
62
|
88
|
62
|
94
|
91
|
82
|
103
|
109
|
96
|
126
|
80
|
46
|
49
|
33
|
45
|
55
|
90
|
62
|
56
|
|
2024/12
|
43
|
58
|
52
|
50
|
38
|
23
|
35
|
37
|
19
|
22
|
25
|
33
|
30
|
51
|
56
|
79
|
57
|
42
|
64
|
74
|
63
|
81
|
85
|
85
|
105
|
56
|
41
|
43
|
64
|
63
|
56
|
|
2024/11
|
49
|
31
|
39
|
52
|
35
|
59
|
61
|
67
|
51
|
42
|
42
|
35
|
32
|
35
|
38
|
48
|
48
|
47
|
47
|
20
|
27
|
27
|
34
|
36
|
42
|
23
|
29
|
36
|
42
|
44
|
|
|
2024/10
|
16
|
22
|
24
|
23
|
33
|
51
|
48
|
60
|
62
|
67
|
55
|
46
|
48
|
20
|
26
|
19
|
15
|
27
|
32
|
24
|
20
|
25
|
23
|
34
|
33
|
37
|
38
|
41
|
40
|
36
|
35
|
|
2024/09
|
23
|
23
|
17
|
23
|
24
|
31
|
26
|
16
|
15
|
17
|
21
|
22
|
23
|
26
|
34
|
26
|
22
|
23
|
30
|
35
|
32
|
24
|
29
|
46
|
46
|
42
|
36
|
41
|
30
|
16
|
|
|
2024/08
|
17
|
17
|
16
|
15
|
18
|
17
|
17
|
17
|
16
|
24
|
33
|
57
|
32
|
33
|
23
|
34
|
40
|
40
|
24
|
28
|
24
|
20
|
19
|
20
|
15
|
17
|
19
|
20
|
22
|
29
|
24
|
|
2024/07
|
14
|
13
|
13
|
13
|
12
|
12
|
12
|
14
|
14
|
14
|
12
|
13
|
13
|
12
|
13
|
13
|
13
|
13
|
13
|
13
|
13
|
13
|
14
|
13
|
14
|
19
|
21
|
22
|
16
|
15
|
16
|
|
2024/06
|
15
|
16
|
13
|
13
|
15
|
14
|
13
|
12
|
13
|
13
|
13
|
13
|
14
|
14
|
21
|
16
|
13
|
16
|
13
|
20
|
14
|
14
|
13
|
13
|
13
|
13
|
13
|
13
|
13
|
13
|
|
|
2024/05
|
33
|
18
|
22
|
29
|
28
|
21
|
20
|
15
|
14
|
13
|
16
|
13
|
16
|
16
|
13
|
16
|
16
|
14
|
13
|
15
|
16
|
17
|
18
|
19
|
16
|
12
|
17
|
11
|
14
|
12
|
13
|
|
2024/04
|
40
|
28
|
41
|
54
|
31
|
25
|
23
|
23
|
26
|
39
|
43
|
45
|
58
|
45
|
55
|
79
|
65
|
28
|
46
|
42
|
27
|
28
|
29
|
34
|
44
|
41
|
49
|
53
|
50
|
40
|
|
|
2024/03
|
31
|
35
|
35
|
29
|
30
|
45
|
59
|
75
|
48
|
23
|
22
|
32
|
51
|
34
|
30
|
49
|
73
|
75
|
31
|
38
|
47
|
37
|
24
|
28
|
32
|
49
|
56
|
41
|
31
|
52
|
50
|
|
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
*: primary pollution