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
25 Feb
Thu
26 Feb
Fri
27 Feb
Sat
28 Feb
Sun
1 Mar
Mon
2 Mar
Tue
3 Mar
Real-time AQI (Monitoring Station in Gannan Prefecture)
监测站
4217
PM2.5
42
PM10
22
O3
0.5
CO
8
SO2
22
NO2
甘肃民族师范学院
3211
PM2.5
32
PM10
34
O3
0.5
CO
7
SO2
22
NO2
Air quality in the last 12 months (Gannan Prefecture)
|
2026/01
|
74
|
63
|
68
|
74
|
64
|
59
|
47
|
40
|
51
|
46
|
46
|
49
|
47
|
55
|
54
|
52
|
51
|
72
|
73
|
66
|
59
|
59
|
51
|
47
|
106
|
130
|
96
|
85
|
100
|
62
|
64
|
|
2025/12
|
58
|
65
|
58
|
60
|
60
|
48
|
56
|
57
|
56
|
56
|
53
|
119
|
68
|
56
|
57
|
53
|
54
|
57
|
63
|
56
|
59
|
64
|
64
|
59
|
50
|
52
|
53
|
50
|
54
|
50
|
62
|
|
2025/11
|
49
|
35
|
40
|
39
|
37
|
23
|
45
|
64
|
51
|
32
|
40
|
36
|
27
|
46
|
46
|
51
|
61
|
48
|
44
|
56
|
51
|
55
|
49
|
88
|
64
|
68
|
53
|
64
|
60
|
60
|
|
|
2025/10
|
25
|
34
|
39
|
25
|
16
|
21
|
18
|
19
|
20
|
19
|
18
|
20
|
33
|
31
|
32
|
40
|
30
|
42
|
32
|
35
|
27
|
24
|
23
|
23
|
31
|
32
|
40
|
47
|
51
|
46
|
57
|
|
2025/09
|
36
|
28
|
26
|
27
|
31
|
55
|
56
|
45
|
37
|
33
|
39
|
42
|
55
|
47
|
25
|
31
|
21
|
20
|
27
|
27
|
25
|
28
|
34
|
40
|
39
|
23
|
18
|
17
|
21
|
23
|
|
|
2025/08
|
34
|
30
|
32
|
14
|
20
|
23
|
22
|
18
|
20
|
25
|
34
|
30
|
30
|
42
|
37
|
42
|
37
|
33
|
19
|
27
|
16
|
17
|
20
|
35
|
29
|
19
|
12
|
14
|
25
|
39
|
41
|
|
2025/07
|
43
|
34
|
30
|
25
|
29
|
23
|
33
|
39
|
40
|
41
|
36
|
30
|
39
|
43
|
35
|
48
|
50
|
26
|
59
|
22
|
24
|
30
|
36
|
24
|
23
|
30
|
45
|
39
|
27
|
32
|
38
|
|
2025/06
|
22
|
27
|
24
|
33
|
51
|
46
|
38
|
44
|
22
|
37
|
46
|
41
|
44
|
30
|
48
|
50
|
53
|
34
|
32
|
43
|
40
|
21
|
35
|
21
|
25
|
36
|
33
|
39
|
42
|
29
|
|
|
2025/05
|
46
|
84
|
148
|
73
|
47
|
55
|
80
|
77
|
50
|
41
|
40
|
50
|
53
|
32
|
24
|
51
|
42
|
53
|
53
|
45
|
47
|
61
|
59
|
46
|
35
|
47
|
35
|
43
|
42
|
73
|
57
|
|
2025/04
|
76
|
80
|
75
|
87
|
83
|
62
|
48
|
90
|
83
|
76
|
68
|
55
|
56
|
61
|
61
|
73
|
61
|
121
|
88
|
71
|
81
|
61
|
46
|
48
|
44
|
27
|
35
|
54
|
50
|
59
|
|
|
2025/03
|
55
|
49
|
50
|
44
|
42
|
50
|
83
|
59
|
52
|
53
|
86
|
102
|
44
|
37
|
44
|
37
|
39
|
49
|
59
|
57
|
47
|
50
|
60
|
49
|
45
|
135
|
163
|
60
|
69
|
83
|
81
|
|
2025/02
|
37
|
39
|
32
|
34
|
51
|
50
|
53
|
50
|
49
|
52
|
65
|
69
|
56
|
58
|
48
|
46
|
39
|
40
|
52
|
47
|
48
|
34
|
43
|
43
|
47
|
46
|
47
|
40
|
|||
|
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