Guizhou - China   2025-05-22   Thursday   27.75N, 106.93E

Huichuan

Guizhou - China
2025-05-22

Air Quality

Excellent

No health implications.

7

PM2.5

22

PM10

59

O3

0.2

CO

1

SO2

15

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

22 May

51 Good

Fri

23 May

51 Good

Sat

24 May

49 Excellent

Sun

25 May

71 Good

Mon

26 May

77 Good

Tue

27 May

50 Excellent

Wed

28 May

48 Excellent

Monthly Average AQI (Huichuan)

2020/05 - 2025/04

Air quality in the last 12 months (Huichuan)

2025/04
50
57
55
60
62
69
62
75
75
65
63
118
214
92
75
68
51
57
35
23
35
31
32
24
36
33
22
30
33
17
2025/03
51
92
60
37
34
39
44
42
45
46
39
65
58
44
38
40
36
33
39
47
60
65
69
60
68
59
65
65
33
35
46
2025/02
41
29
40
44
50
37
36
54
48
60
59
78
53
31
40
46
47
47
37
32
36
32
42
42
35
54
49
60
2025/01
82
81
86
79
95
85
59
54
39
47
53
47
50
73
62
73
61
59
55
85
85
86
92
56
32
35
44
56
163
62
47
2024/12
70
82
50
40
28
37
36
43
30
24
34
42
54
56
51
58
60
64
70
87
102
65
63
71
78
61
83
74
75
47
67
2024/11
49
34
51
47
47
55
55
52
46
40
46
48
59
45
61
46
28
24
23
25
22
29
28
20
27
26
31
35
34
51
2024/10
25
25
32
35
35
38
40
30
31
47
54
51
31
23
25
22
20
28
22
20
18
21
26
27
38
36
50
41
40
41
54
2024/09
26
25
22
22
22
33
30
21
21
24
30
32
29
30
21
36
24
24
26
33
28
22
35
35
38
51
39
35
25
26
2024/08
14
13
13
14
16
18
17
18
19
16
42
54
33
27
25
23
24
24
23
22
22
21
18
16
21
21
24
23
24
22
25
2024/07
18
20
14
17
18
17
18
19
18
18
19
18
17
18
15
16
21
18
13
14
14
14
17
16
16
24
26
21
15
15
14
2024/06
26
20
19
19
26
18
17
12
12
20
17
15
21
26
29
20
15
13
14
17
20
15
17
20
18
16
14
16
12
18
2024/05
21
22
18
16
29
32
28
39
34
26
20
22
24
30
30
29
41
20
18
25
16
18
27
29
22
19
24
31
28
15
23
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