Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
72
*
PM10
121
O3
0.5
CO
5
SO2
4
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Apr
139
Lightly
Thu
25 Apr
134
Lightly
Fri
26 Apr
129
Lightly
Sat
27 Apr
135
Lightly
Sun
28 Apr
186
Moderately
Mon
29 Apr
256
Heavily
Tue
30 Apr
259
Heavily
Air quality in the last 12 months (Kalpin)
|
2024/02
|
92
|
60
|
53
|
61
|
57
|
57
|
55
|
64
|
60
|
113
|
59
|
61
|
71
|
319
|
445
|
445
|
367
|
500
|
500
|
500
|
500
|
470
|
436
|
399
|
366
|
360
|
326
|
288
|
260
|
||
|
2024/01
|
141
|
119
|
132
|
112
|
131
|
125
|
119
|
131
|
126
|
109
|
108
|
101
|
101
|
120
|
121
|
124
|
100
|
96
|
95
|
101
|
106
|
134
|
148
|
133
|
126
|
110
|
129
|
123
|
121
|
128
|
115
|
|
2023/12
|
98
|
110
|
105
|
99
|
95
|
93
|
122
|
92
|
103
|
95
|
110
|
126
|
193
|
491
|
496
|
500
|
500
|
500
|
500
|
487
|
500
|
496
|
485
|
405
|
338
|
236
|
190
|
165
|
151
|
165
|
146
|
|
2023/11
|
149
|
84
|
88
|
73
|
341
|
405
|
380
|
252
|
148
|
129
|
100
|
222
|
132
|
118
|
126
|
127
|
121
|
122
|
126
|
111
|
96
|
105
|
101
|
96
|
96
|
101
|
105
|
117
|
105
|
95
|
|
|
2023/10
|
75
|
80
|
109
|
83
|
73
|
64
|
66
|
64
|
65
|
66
|
69
|
76
|
76
|
79
|
65
|
64
|
96
|
164
|
155
|
109
|
93
|
89
|
87
|
76
|
72
|
77
|
72
|
71
|
76
|
75
|
77
|
|
2023/09
|
65
|
76
|
88
|
111
|
85
|
71
|
74
|
81
|
64
|
76
|
107
|
112
|
107
|
80
|
95
|
188
|
266
|
237
|
119
|
97
|
90
|
82
|
42
|
49
|
56
|
52
|
67
|
71
|
75
|
83
|
|
|
2023/08
|
52
|
59
|
89
|
85
|
83
|
92
|
64
|
48
|
53
|
59
|
71
|
120
|
80
|
90
|
166
|
317
|
208
|
134
|
93
|
116
|
92
|
96
|
93
|
116
|
70
|
57
|
66
|
63
|
81
|
51
|
58
|
|
2023/07
|
77
|
91
|
80
|
72
|
72
|
64
|
93
|
72
|
49
|
50
|
64
|
88
|
67
|
64
|
64
|
69
|
83
|
65
|
94
|
173
|
114
|
88
|
82
|
95
|
80
|
105
|
78
|
62
|
67
|
79
|
65
|
|
2023/06
|
92
|
105
|
96
|
83
|
77
|
92
|
80
|
70
|
68
|
79
|
78
|
74
|
68
|
131
|
75
|
58
|
103
|
92
|
81
|
58
|
62
|
59
|
57
|
152
|
164
|
106
|
121
|
98
|
131
|
54
|
|
|
2023/05
|
65
|
86
|
196
|
490
|
198
|
85
|
175
|
131
|
103
|
81
|
86
|
80
|
72
|
67
|
56
|
58
|
92
|
137
|
190
|
95
|
131
|
94
|
121
|
114
|
134
|
64
|
60
|
114
|
56
|
103
|
90
|
|
2023/04
|
154
|
385
|
362
|
500
|
500
|
500
|
480
|
500
|
409
|
276
|
350
|
164
|
183
|
169
|
153
|
126
|
245
|
245
|
299
|
487
|
500
|
406
|
93
|
128
|
112
|
137
|
194
|
124
|
130
|
85
|
|
|
2023/03
|
145
|
103
|
85
|
92
|
85
|
86
|
76
|
75
|
71
|
213
|
500
|
473
|
350
|
119
|
134
|
183
|
165
|
128
|
209
|
324
|
492
|
498
|
414
|
203
|
189
|
174
|
141
|
139
|
131
|
111
|
101
|
|
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