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
1 May
Fri
2 May
Sat
3 May
Sun
4 May
Mon
5 May
Tue
6 May
Wed
7 May
Real-time AQI (Monitoring Station in Tianshui)
进步巷
437
PM2.5
33
PM10
137
O3
0.2
CO
8
SO2
5
NO2
文化馆
433
PM2.5
41
PM10
137
O3
0.3
CO
8
SO2
20
NO2
Air quality in the last 12 months (Tianshui)
|
2025/02
|
87
|
78
|
43
|
58
|
56
|
53
|
75
|
71
|
58
|
47
|
65
|
91
|
68
|
53
|
56
|
60
|
52
|
46
|
79
|
73
|
75
|
64
|
53
|
62
|
67
|
49
|
44
|
50
|
|||
|
2025/01
|
93
|
76
|
79
|
84
|
72
|
73
|
60
|
63
|
59
|
67
|
70
|
74
|
77
|
70
|
53
|
74
|
81
|
75
|
76
|
83
|
72
|
82
|
142
|
151
|
70
|
75
|
82
|
106
|
162
|
114
|
116
|
|
2024/12
|
77
|
76
|
71
|
65
|
63
|
68
|
58
|
57
|
52
|
61
|
72
|
60
|
49
|
61
|
71
|
83
|
80
|
69
|
59
|
64
|
68
|
61
|
59
|
66
|
68
|
69
|
59
|
63
|
81
|
71
|
66
|
|
2024/11
|
39
|
38
|
47
|
49
|
50
|
41
|
46
|
42
|
49
|
61
|
50
|
54
|
42
|
34
|
49
|
48
|
37
|
26
|
34
|
48
|
50
|
44
|
57
|
41
|
46
|
58
|
63
|
67
|
63
|
78
|
|
|
2024/10
|
30
|
31
|
35
|
28
|
41
|
44
|
41
|
45
|
44
|
39
|
45
|
33
|
33
|
43
|
31
|
40
|
30
|
45
|
38
|
26
|
32
|
37
|
54
|
50
|
54
|
39
|
39
|
47
|
50
|
46
|
34
|
|
2024/09
|
25
|
35
|
31
|
29
|
22
|
29
|
21
|
28
|
26
|
25
|
30
|
38
|
28
|
26
|
38
|
38
|
34
|
38
|
35
|
31
|
29
|
34
|
39
|
41
|
33
|
26
|
53
|
73
|
40
|
24
|
|
|
2024/08
|
33
|
36
|
21
|
17
|
21
|
26
|
20
|
24
|
58
|
56
|
42
|
37
|
36
|
35
|
19
|
31
|
30
|
29
|
29
|
30
|
31
|
34
|
38
|
40
|
36
|
29
|
26
|
33
|
36
|
32
|
37
|
|
2024/07
|
28
|
30
|
23
|
20
|
41
|
43
|
22
|
19
|
27
|
31
|
30
|
29
|
28
|
26
|
16
|
17
|
15
|
19
|
23
|
20
|
18
|
22
|
23
|
86
|
76
|
53
|
49
|
41
|
31
|
31
|
29
|
|
2024/06
|
50
|
31
|
28
|
27
|
31
|
32
|
27
|
32
|
27
|
34
|
35
|
41
|
42
|
46
|
46
|
24
|
22
|
23
|
27
|
26
|
23
|
36
|
34
|
40
|
37
|
30
|
18
|
25
|
40
|
40
|
|
|
2024/05
|
30
|
31
|
26
|
30
|
44
|
52
|
54
|
44
|
35
|
48
|
63
|
57
|
53
|
53
|
49
|
51
|
51
|
46
|
37
|
38
|
32
|
38
|
41
|
45
|
37
|
33
|
44
|
49
|
37
|
47
|
66
|
|
2024/04
|
40
|
91
|
66
|
62
|
63
|
52
|
45
|
37
|
42
|
30
|
39
|
39
|
42
|
54
|
92
|
78
|
50
|
44
|
75
|
96
|
62
|
57
|
65
|
60
|
40
|
43
|
31
|
49
|
45
|
29
|
|
|
2024/03
|
45
|
51
|
47
|
53
|
71
|
64
|
114
|
84
|
54
|
57
|
65
|
56
|
49
|
43
|
47
|
145
|
81
|
79
|
71
|
61
|
53
|
58
|
98
|
45
|
39
|
48
|
56
|
51
|
45
|
64
|
47
|
|
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