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
24 Jul
Fri
25 Jul
Sat
26 Jul
Sun
27 Jul
Mon
28 Jul
Tue
29 Jul
Wed
30 Jul
Real-time AQI (Monitoring Station in Zhaotong)
监测站
3524
PM2.5
28
PM10
28
O3
0.6
CO
10
SO2
14
NO2
环东路146号
139
PM2.5
10
PM10
40
O3
0.5
CO
5
SO2
14
NO2
Air quality in the last 12 months (Zhaotong)
|
2025/06
|
28
|
27
|
32
|
33
|
35
|
47
|
44
|
40
|
47
|
41
|
37
|
43
|
45
|
48
|
30
|
31
|
28
|
26
|
25
|
32
|
31
|
36
|
39
|
27
|
24
|
21
|
30
|
26
|
31
|
23
|
|
|
2025/05
|
58
|
50
|
52
|
53
|
37
|
29
|
30
|
32
|
43
|
49
|
48
|
45
|
54
|
43
|
49
|
40
|
42
|
45
|
39
|
42
|
46
|
48
|
51
|
47
|
34
|
31
|
26
|
27
|
29
|
23
|
23
|
|
2025/04
|
41
|
37
|
48
|
50
|
35
|
28
|
34
|
44
|
52
|
43
|
62
|
182
|
115
|
81
|
71
|
70
|
47
|
40
|
40
|
33
|
35
|
38
|
70
|
39
|
42
|
41
|
33
|
33
|
37
|
40
|
|
|
2025/03
|
45
|
49
|
49
|
43
|
29
|
23
|
25
|
37
|
35
|
41
|
46
|
44
|
44
|
35
|
29
|
27
|
27
|
29
|
44
|
49
|
53
|
56
|
50
|
43
|
36
|
38
|
43
|
137
|
31
|
32
|
32
|
|
2025/02
|
31
|
30
|
27
|
47
|
31
|
23
|
29
|
28
|
36
|
38
|
45
|
37
|
35
|
39
|
47
|
44
|
44
|
36
|
42
|
33
|
35
|
28
|
27
|
33
|
30
|
38
|
38
|
36
|
|||
|
2025/01
|
79
|
64
|
65
|
69
|
57
|
72
|
36
|
32
|
36
|
36
|
34
|
51
|
49
|
37
|
50
|
50
|
53
|
39
|
49
|
52
|
62
|
56
|
52
|
37
|
30
|
46
|
50
|
56
|
48
|
48
|
34
|
|
2024/12
|
57
|
57
|
47
|
41
|
38
|
41
|
39
|
30
|
36
|
30
|
37
|
34
|
31
|
34
|
39
|
48
|
41
|
49
|
46
|
42
|
40
|
39
|
48
|
38
|
38
|
39
|
44
|
45
|
56
|
43
|
50
|
|
2024/11
|
31
|
39
|
46
|
29
|
33
|
40
|
36
|
30
|
33
|
41
|
42
|
34
|
39
|
48
|
54
|
41
|
37
|
41
|
33
|
33
|
36
|
41
|
42
|
35
|
31
|
29
|
32
|
38
|
47
|
46
|
|
|
2024/10
|
24
|
31
|
28
|
30
|
31
|
25
|
32
|
41
|
36
|
26
|
29
|
30
|
30
|
34
|
35
|
35
|
33
|
42
|
37
|
42
|
28
|
28
|
30
|
45
|
37
|
29
|
32
|
35
|
42
|
43
|
32
|
|
2024/09
|
32
|
22
|
28
|
33
|
37
|
36
|
32
|
26
|
23
|
27
|
38
|
27
|
29
|
36
|
40
|
40
|
29
|
31
|
38
|
37
|
32
|
31
|
35
|
45
|
33
|
37
|
33
|
29
|
33
|
26
|
|
|
2024/08
|
37
|
36
|
39
|
29
|
23
|
28
|
23
|
21
|
26
|
32
|
60
|
47
|
48
|
48
|
39
|
40
|
38
|
35
|
46
|
40
|
39
|
37
|
33
|
37
|
38
|
31
|
44
|
38
|
42
|
35
|
44
|
|
2024/07
|
24
|
31
|
24
|
16
|
18
|
23
|
23
|
23
|
25
|
25
|
16
|
20
|
28
|
25
|
21
|
25
|
29
|
31
|
28
|
29
|
26
|
26
|
29
|
35
|
28
|
33
|
35
|
16
|
20
|
19
|
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
*: primary pollution