ID: 2002

AQSQID: 060792007

Site Name: Nipomo Mesa Cdf

Added: April 21, 2020, 6:24 p.m.

Updated: May 12, 2021, 5:44 a.m.

Location: Arroyo Grande (Willow Rd), CA

Reporting: True, Located: True

Current AQI: 16.0

Arroyo Grande (Willow Rd) CA, US: 35.04676, -120.58777

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 16.0
 
May 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 8.0 μg/m3 (34) 34.0
 
May 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 9.0 μg/m3 (38) 38.0
 
May 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
May 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 12.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
May 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
May 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
May 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
May 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
May 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
May 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
May 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 8.0 μg/m3 (34) 35.0
 
May 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
May 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
May 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
May 11, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 14.0 μg/m3 (55) 55.0
 
May 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
May 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
May 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
May 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
May 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 13.0 μg/m3 (53) 53.0
 
May 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
May 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
May 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
May 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
May 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
May 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 14.0 μg/m3 (55) 55.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 13.0 μg/m3 (53) 53.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
May 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
May 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 15.0 μg/m3 (58) 58.0
 
May 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 9.0 μg/m3 (38) 41.0
 
May 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 11.0 μg/m3 (46) 47.0
 
May 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
May 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 11.0 μg/m3 (46) 46.0
 
May 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 14.0 μg/m3 (55) 55.0
 
May 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 18.0 μg/m3 (64) 64.0
 
May 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 16.0 μg/m3 (60) 60.0
 
May 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 21.0 μg/m3 (70) 70.0
 
May 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 20.0 μg/m3 (68) 68.0
 
May 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 23.0 μg/m3 (74) 74.0
 
May 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 21.0 μg/m3 (70) 70.0
 
May 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 23.0 μg/m3 (74) 74.0
 
May 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 22.0 μg/m3 (72) 72.0
 
May 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 25.0 μg/m3 (79) 79.0
 
May 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) 30.0 μg/m3 (89) 89.0
 
May 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (65) 28.0 μg/m3 (85) 85.0
 
May 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) 19.0 μg/m3 (66) 66.0
 
May 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 9.0 μg/m3 (38) 48.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 14.0 μg/m3 (55) 55.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 13.0 μg/m3 (53) 53.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 16.0 μg/m3 (60) 60.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
May 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 15.0 μg/m3 (58) 58.0
 
May 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 15.0 μg/m3 (58) 58.0
 
May 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 10.0 μg/m3 (42) 52.0
 
May 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (54) 16.0 μg/m3 (60) 60.0
 
May 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 18.0 μg/m3 (64) 64.0
 
May 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 21.0 μg/m3 (70) 70.0
 
May 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (57) 17.0 μg/m3 (62) 62.0
 
May 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 21.0 μg/m3 (70) 70.0
 
May 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (67) 29.0 μg/m3 (87) 87.0
 
May 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 107.0 μg/m3 (77) 34.0 μg/m3 (98) 98.0
 
May 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 115.0 μg/m3 (81) 37.0 μg/m3 (105) 105.0
 
May 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 161.0 μg/m3 (104) 48.0 μg/m3 (132) 132.0
 
May 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 134.0 μg/m3 (91) 42.0 μg/m3 (118) 118.0
 
May 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (60) 22.0 μg/m3 (72) 72.0
 
May 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 22.0 μg/m3 (72) 72.0
 
May 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 143.0 μg/m3 (95) 27.0 μg/m3 (83) 95.0
 
May 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (59) 18.0 μg/m3 (64) 64.0
 
May 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 10.0 μg/m3 (42) 42.0
 
May 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
May 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
May 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
May 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 7.0 μg/m3 (30) 31.0
 
May 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
May 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
May 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 12.0 μg/m3 (50) 50.0
 
May 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
May 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (55) 13.0 μg/m3 (53) 55.0
 
May 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 14.0 μg/m3 (55) 55.0
 
May 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (61) 18.0 μg/m3 (64) 64.0
 
May 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (69) 22.0 μg/m3 (72) 72.0
 
May 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 119.0 μg/m3 (83) 30.0 μg/m3 (89) 89.0
 
May 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 153.0 μg/m3 (100) 34.0 μg/m3 (98) 100.0
 
May 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 217.0 μg/m3 (132) 58.0 μg/m3 (153) 153.0
 
May 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 230.0 μg/m3 (139) 57.0 μg/m3 (152) 152.0
 
May 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 184.0 μg/m3 (116) 55.0 μg/m3 (150) 150.0
 
May 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (51) 21.0 μg/m3 (70) 70.0
 
May 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 14.0 μg/m3 (55) 55.0
 
May 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
May 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
May 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 8.0 μg/m3 (34) 47.0
 
May 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
May 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
May 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
May 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
May 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
May 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
May 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
May 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
May 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 7.0 μg/m3 (30) 30.0
 
May 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
May 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
May 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (5) 5.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
May 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0 μg/m3 (13) 13.0
 
May 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -4.0 μg/m3 (0) 0.0 μg/m3 (0) 0.0
May 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 1.0 μg/m3 (5) 5.0
 
May 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
May 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
May 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
May 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 7.0
 
May 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
May 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 8.0 μg/m3 (34) 34.0
 
May 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
May 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
May 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
May 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
May 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 15.0 μg/m3 (58) 58.0
 
May 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 20.0 μg/m3 (68) 68.0
 
May 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 17.0 μg/m3 (62) 62.0
 
May 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
May 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 16.0 μg/m3 (60) 60.0
 
May 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
May 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 4.0 μg/m3 (17) 29.0
 
May 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
May 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
May 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
May 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
May 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
May 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 11.0 μg/m3 (46) 46.0
 
May 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 7.0 μg/m3 (30) 48.0