Chesterfield, Missouri Weather Forecast | AerisWeather

Local

Chesterfield, MO, US

38.66311, -90.57707

Air Quality

Updated 17 minutes ago

51

Moderate

Primary Pollutant: PM2.5

O3	31 µg/m3 (14)
PM2.5	12 µg/m3 (51)
PM10	12 µg/m3 (11)

CO	300 µg/m3 (3)
NO2	12 µg/m3 (6)
SO2	2 µg/m3 (1)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Alton	39	O3	n/a	n/a	n/a	86 (39)	n/a	n/a
Jerseyville	39	O3	3.4 (14)	n/a	n/a	86 (39)	n/a	n/a
Granite City	23	PM2.5	5.6 (23)	n/a	n/a	n/a	n/a	n/a
Wood River	38	O3	2.3 (10)	n/a	n/a	84 (38)	n/a	n/a
East Saint Louis	33	O3	5.3 (22)	n/a	n/a	73 (33)	n/a	n/a
Foley	40	O3	n/a	n/a	n/a	88 (40)	n/a	n/a
Earth City	7	NO2	n/a	n/a	15 (7)	n/a	n/a	0.786 (0)
Brooklyn	30	PM2.5	7.2 (30)	12 (11)	50 (25)	53 (24)	344 (3)	1.048 (1)
Brooklyn	22	PM2.5	5.4 (22)	11 (10)	n/a	n/a	n/a	n/a
Pacific	32	O3	n/a	n/a	n/a	71 (32)	n/a	n/a

Source: Illinois EPA, Missouri Department of Natural Resources

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Friday, May 3																								Saturday, May 4																								Sunday, May 5																								Monday, May 6
12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am
50	40	34	31	19	26	31	37	30	26	25	28	31	36	42	49	50	52	58	48	38	41	56	67	75	69	61	53	50	48	45	36	26	26	31	37	34	30	29	29	28	34	19	22	29	27	23	23	20	18	17	17	23	24	23	22	22	24	27	29	29	35	37	38	40	39	40	33	42	42	40	37	39	41	38	33	33	33	30	33	33	38	40	43	47	53	51	49	49	47	45	43	40	37	33	32	31
PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3

N	NNE	N	NE	N	N	N	N	NNE	NNE	NNE	NNE	NNE	NE	NE	NE	NE	NE	NE	NE	NE	ENE	ENE	E	E	E	ESE	ESE	ESE	SE	SE	SE	SSE	SSE	S	S	S	SSW	SSW	SSW	SSW	SW	WSW	W	WNW	WNW	NW	NW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	N	N	N	NNE	NNE	NNE	NE	NE	ENE	ENE	ENE	ENE	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S
5 7	4 7	4 7	4 7	5 8	6 10	6 10	7 11	7 11	7 12	7 12	7 12	7 12	7 12	7 12	7 12	7 11	7 12	6 10	6 10	5 8	5 7	5 8	5 8	5 9	5 8	6 9	6 9	6 9	5 8	4 7	4 6	5 9	6 10	7 11	7 11	7 11	7 12	7 12	8 12	8 13	7 11	6 10	7 12	7 11	6 10	6 10	6 10	7 11	7 11	7 11	7 11	7 11	7 11	7 11	7 12	7 12	7 12	8 13	8 12	7 12	7 12	7 11	6 10	7 10	6 10	6 10	6 10	7 11	7 11	7 12	8 12	8 13	9 14	9 15	9 15	9 15	9 15	9 15	10 15	10 16	10 16	11 17	11 18	12 19	12 20	12 20	13 20	13 20	13 20	13 21	13 21	14 23	15 23	15 24	15 25	16 25
66 18.6	65 18.2	64 18	64 17.9	64 17.8	64 17.5	63 17.2	63 17.4	64 17.8	65 18.6	67 19.6	69 20.7	71 21.8	73 22.8	74 23.6	76 24.2	77 24.7	77 24.7	76 24.3	74 23.5	71 21.7	69 20.6	67 19.6	66 19	65 18.3	64 17.7	63 17.4	63 17.1	62 16.9	62 16.8	62 16.7	63 17	66 18.6	69 20.6	73 22.5	75 23.8	77 25	79 26.3	80 26.5	80 26.8	81 27	78 25.8	76 24.6	74 23.4	72 22.1	69 20.8	67 19.5	66 18.7	64 17.9	63 17.1	62 16.7	61 16.2	60 15.7	60 15.5	59 15.3	59 15.1	61 16.2	63 17.3	65 18.4	67 19.6	69 20.8	71 21.9	72 22.5	73 23	74 23.6	74 23.1	73 22.6	72 22.1	70 21.1	68 20	66 18.9	65 18.4	64 17.9	63 17.5	63 17.4	63 17.2	63 17.1	63 17.1	63 17.1	63 17.1	65 18.4	67 19.6	70 20.9	72 22.2	74 23.4	76 24.7	77 25.2	79 25.8	80 26.4	79 25.9	78 25.4	77 24.8	75 23.8	73 22.8	71 21.8	70 21.3	70 20.9

Source: CAMS, Vaisala Xweather

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