ID: 995

AQSQID: 500210002

Site Name: Rutland

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

Updated: March 4, 2021, 6:32 p.m.

Location: Rutland (Pine St), VT

Reporting: True, Located: True

Current AQI: 41.0

Rutland (Pine St) VT, US: 43.608528, -72.98246

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 25, 2021, 8 a.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.6 μg/m3 (7) 36.0
 
Feb. 25, 2021, 7 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A 0.1 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Feb. 25, 2021, 6 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 47.0 ppb (44) 0.1 ppb (2) N/A 5.7 μg/m3 (24) 44.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 7.1 μg/m3 (30) 48.0
 
Feb. 25, 2021, 4 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 50.0 ppb (47) 0.1 ppb (2) N/A 5.2 μg/m3 (22) 47.0
 
Feb. 25, 2021, 3 a.m. 3.2 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 50.0 ppb (47) 0.1 ppb (2) N/A 4.2 μg/m3 (18) 47.0
 
Feb. 25, 2021, 2 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 51.0 ppb (48) 0.1 ppb (2) N/A 4.5 μg/m3 (19) 48.0
 
Feb. 25, 2021, 1 a.m. 25.7 ppb (25) 3.8 ppb (4) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Feb. 25, 2021, midnight 31.0 ppb (30) 4.2 ppb (4) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 14.0 ppb (13) 0.3 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Feb. 24, 2021, 11 p.m. 41.4 ppb (40) 8.6 ppb (9) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 13.0 ppb (13) 0.4 ppb (5) N/A 8.5 μg/m3 (36) 40.0
 
Feb. 24, 2021, 10 p.m. 15.7 ppb (15) 2.7 ppb (3) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 32.0 ppb (30) 0.3 ppb (4) N/A 5.6 μg/m3 (24) 30.0
 
Feb. 24, 2021, 9 p.m. 10.5 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 38.0 ppb (36) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 36.0
 
Feb. 24, 2021, 8 p.m. 11.8 ppb (12) 3.7 ppb (4) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 39.0 ppb (37) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 37.0
 
Feb. 24, 2021, 7 p.m. 6.1 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 42.0 ppb (39) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 39.0
 
Feb. 24, 2021, 6 p.m. 5.2 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 42.0 ppb (39) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
Feb. 24, 2021, 5 p.m. 6.9 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 41.0 ppb (38) 0.1 ppb (2) N/A 3.7 μg/m3 (16) 38.0
 
Feb. 24, 2021, 4 p.m. 4.6 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 42.0 ppb (39) 0.1 ppb (2) N/A 3.3 μg/m3 (14) 39.0
 
Feb. 24, 2021, 3 p.m. 3.6 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.2 ppb (3) N/A 3.0 μg/m3 (13) 39.0
 
Feb. 24, 2021, 2 p.m. 5.1 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.3 ppb (4) N/A 3.1 μg/m3 (13) 37.0
 
Feb. 24, 2021, 1 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) N/A 2.3 μg/m3 (10) 36.0
 
Feb. 24, 2021, noon 25.4 ppb (24) 5.9 ppb (6) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) N/A 4.1 μg/m3 (18) 24.0
 
Feb. 24, 2021, 11 a.m. 12.3 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) N/A 3.1 μg/m3 (13) 25.0
 
Feb. 24, 2021, 10 a.m. 8.6 ppb (9) 1.4 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 33.0 ppb (31) 0.1 ppb (2) N/A 2.8 μg/m3 (12) 31.0
 
Feb. 24, 2021, 9 a.m. 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) 0.1 ppb (2) N/A 2.7 μg/m3 (12) 35.0
 
Feb. 24, 2021, 8 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) N/A 3.2 μg/m3 (14) 36.0
 
Feb. 24, 2021, 7 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A 0.1 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
Feb. 24, 2021, 6 a.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) 0.1 ppb (2) N/A 4.1 μg/m3 (18) 37.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
Feb. 24, 2021, 4 a.m. 3.7 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) 0.1 ppb (2) N/A 5.3 μg/m3 (23) 37.0
 
Feb. 24, 2021, 3 a.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 40.0 ppb (38) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 38.0
 
Feb. 24, 2021, 2 a.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 41.0 ppb (38) 0.1 ppb (2) N/A 6.8 μg/m3 (29) 38.0
 
Feb. 24, 2021, 1 a.m. 19.1 ppb (19) 2.0 ppb (2) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 25.0 ppb (24) 0.2 ppb (3) N/A 14.9 μg/m3 (57) 57.0
 
Feb. 24, 2021, midnight 26.5 ppb (25) 3.9 ppb (4) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 19.0 ppb (18) 0.3 ppb (4) N/A 20.1 μg/m3 (68) 68.0
 
Feb. 23, 2021, 11 p.m. 28.9 ppb (28) 3.2 ppb (4) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 17.0 ppb (16) 0.3 ppb (4) N/A 21.4 μg/m3 (71) 71.0
 
Feb. 23, 2021, 10 p.m. 12.7 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 37.0 ppb (35) 0.2 ppb (3) N/A 12.5 μg/m3 (52) 52.0
 
Feb. 23, 2021, 9 p.m. 16.0 ppb (16) 2.0 ppb (2) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 37.0 ppb (35) 0.2 ppb (3) N/A 12.5 μg/m3 (52) 52.0
 
Feb. 23, 2021, 8 p.m. 15.7 ppb (15) 2.5 ppb (3) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 40.0 ppb (38) 0.2 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Feb. 23, 2021, 7 p.m. 11.9 ppb (12) 4.0 ppb (4) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 45.0 ppb (42) 0.2 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
Feb. 23, 2021, 6 p.m. 5.7 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 47.0 ppb (44) 0.1 ppb (2) N/A 10.6 μg/m3 (45) 45.0
 
Feb. 23, 2021, 5 p.m. 6.3 ppb (6) 1.5 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A 0.2 ppb (3) N/A 10.6 μg/m3 (45) 45.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.2 μg/m3 (43) 43.0
 
Feb. 23, 2021, 2 p.m. 8.4 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 45.0 ppb (42) 0.4 ppb (5) N/A 10.8 μg/m3 (46) 46.0
 
Feb. 23, 2021, 1 p.m. 7.8 ppb (8) 1.5 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 45.0 ppb (42) 0.2 ppb (3) N/A 11.4 μg/m3 (48) 48.0
 
Feb. 23, 2021, noon 10.9 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 42.0 ppb (39) 0.2 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
Feb. 23, 2021, 11 a.m. 9.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 41.0 ppb (38) 0.2 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
Feb. 23, 2021, 10 a.m. 17.5 ppb (17) 5.3 ppb (5) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 36.0 ppb (34) 0.2 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
Feb. 23, 2021, 9 a.m. 23.5 ppb (23) 4.7 ppb (5) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 25.0 ppb (24) 0.2 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
Feb. 23, 2021, 8 a.m. 23.9 ppb (23) 3.2 ppb (4) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) N/A 10.9 μg/m3 (46) 46.0
 
Feb. 23, 2021, 7 a.m. 32.5 ppb (31) 5.0 ppb (5) N/A 28.0 ppb (27) N/A 1.0 ppb (2) N/A 0.3 ppb (4) N/A 13.2 μg/m3 (54) 54.0
 
Feb. 23, 2021, 6 a.m. 22.4 ppb (22) 2.4 ppb (3) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) N/A 13.3 μg/m3 (54) 54.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 14.8 μg/m3 (57) 57.0
 
Feb. 23, 2021, 4 a.m. 24.5 ppb (24) 2.8 ppb (3) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 11.0 ppb (11) 0.3 ppb (4) N/A 17.4 μg/m3 (63) 63.0
 
Feb. 23, 2021, 3 a.m. 23.9 ppb (23) 3.0 ppb (3) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 12.0 ppb (12) 0.3 ppb (4) N/A 20.7 μg/m3 (70) 70.0
 
Feb. 23, 2021, 2 a.m. 29.1 ppb (28) 3.9 ppb (4) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 10.0 ppb (10) 0.4 ppb (5) N/A 24.7 μg/m3 (78) 78.0
 
Feb. 23, 2021, 1 a.m. 28.5 ppb (27) 2.5 ppb (3) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 11.0 ppb (11) 0.4 ppb (5) N/A 20.0 μg/m3 (68) 68.0
 
Feb. 23, 2021, midnight 21.0 ppb (20) 1.4 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 20.0 ppb (19) 0.3 ppb (4) N/A 14.3 μg/m3 (56) 56.0
 
Feb. 22, 2021, 11 p.m. 17.9 ppb (17) 3.7 ppb (4) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 30.0 ppb (28) 0.2 ppb (3) N/A 10.1 μg/m3 (43) 43.0
 
Feb. 22, 2021, 10 p.m. 25.3 ppb (24) 9.7 ppb (10) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 30.0 ppb (28) 0.3 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Feb. 22, 2021, 9 p.m. 15.1 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 33.0 ppb (31) 0.3 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Feb. 22, 2021, 8 p.m. 17.8 ppb (17) 4.4 ppb (5) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 33.0 ppb (31) 0.2 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
Feb. 22, 2021, 7 p.m. 13.1 ppb (13) 2.7 ppb (3) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 38.0 ppb (36) 0.2 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Feb. 22, 2021, 6 p.m. 17.0 ppb (17) 4.0 ppb (4) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 36.0 ppb (34) 0.2 ppb (3) N/A 10.4 μg/m3 (44) 44.0
 
Feb. 22, 2021, 5 p.m. 16.3 ppb (16) 4.4 ppb (5) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 39.0 ppb (37) 0.2 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
Feb. 22, 2021, 4 p.m. 15.3 ppb (15) 4.9 ppb (5) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 41.0 ppb (38) 0.2 ppb (3) N/A 10.2 μg/m3 (43) 43.0
 
Feb. 22, 2021, 3 p.m. 14.9 ppb (15) 4.3 ppb (5) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 38.0 ppb (36) 0.4 ppb (5) N/A 8.9 μg/m3 (38) 38.0
 
Feb. 22, 2021, 2 p.m. 46.6 ppb (44) 18.5 ppb (18) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 16.0 ppb (15) 0.5 ppb (6) N/A 14.3 μg/m3 (56) 56.0
 
Feb. 22, 2021, 1 p.m. 53.6 ppb (51) 22.1 ppb (21) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 9.0 ppb (9) 0.5 ppb (6) N/A 18.9 μg/m3 (66) 66.0
 
Feb. 22, 2021, noon 48.9 ppb (47) 16.8 ppb (16) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 6.0 ppb (6) 0.7 ppb (8) N/A 13.7 μg/m3 (55) 55.0
 
Feb. 22, 2021, 11 a.m. 30.3 ppb (29) 4.8 ppb (5) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 9.0 ppb (9) 0.3 ppb (4) N/A 13.2 μg/m3 (54) 54.0
 
Feb. 22, 2021, 10 a.m. 29.8 ppb (29) 5.9 ppb (6) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 15.0 ppb (14) 0.2 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Feb. 22, 2021, 9 a.m. 24.0 ppb (23) 3.3 ppb (4) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 16.0 ppb (15) 0.2 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
Feb. 22, 2021, 8 a.m. 31.3 ppb (30) 5.1 ppb (5) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 8.0 ppb (8) 0.3 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
Feb. 22, 2021, 7 a.m. 31.9 ppb (31) 5.9 ppb (6) N/A 26.0 ppb (25) N/A 0.0 ppb (0) N/A 0.3 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
Feb. 22, 2021, 6 a.m. 34.3 ppb (33) 8.6 ppb (9) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 6.0 ppb (6) 0.4 ppb (5) N/A 20.4 μg/m3 (69) 69.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 25.8 μg/m3 (80) 80.0
 
Feb. 22, 2021, 4 a.m. 37.6 ppb (36) 9.9 ppb (10) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 5.0 ppb (5) 0.5 ppb (6) N/A 28.5 μg/m3 (86) 86.0
 
Feb. 22, 2021, 3 a.m. 38.6 ppb (37) 10.7 ppb (11) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 5.0 ppb (5) 0.5 ppb (6) N/A 23.2 μg/m3 (75) 75.0
 
Feb. 22, 2021, 2 a.m. 42.7 ppb (41) 11.7 ppb (12) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 4.0 ppb (4) 0.5 ppb (6) N/A 23.3 μg/m3 (75) 75.0
 
Feb. 22, 2021, 1 a.m. 43.2 ppb (41) 11.2 ppb (11) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 5.0 ppb (5) 0.5 ppb (6) N/A 21.8 μg/m3 (72) 72.0
 
Feb. 22, 2021, midnight 34.1 ppb (33) 5.7 ppb (6) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 10.0 ppb (10) 0.4 ppb (5) N/A 9.3 μg/m3 (39) 39.0
 
Feb. 21, 2021, 11 p.m. 24.9 ppb (24) 2.9 ppb (3) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) N/A 6.5 μg/m3 (28) 28.0
 
Feb. 21, 2021, 10 p.m. 14.5 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 4.6 μg/m3 (20) 28.0
 
Feb. 21, 2021, 9 p.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 3.3 μg/m3 (14) 40.0
 
Feb. 21, 2021, 8 p.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 3.1 μg/m3 (13) 40.0
 
Feb. 21, 2021, 7 p.m. 1.8 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) 0.1 ppb (2) N/A 3.1 μg/m3 (13) 41.0
 
Feb. 21, 2021, 6 p.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 41.0
 
Feb. 21, 2021, 5 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 40.0
 
Feb. 21, 2021, 4 p.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 40.0
 
Feb. 21, 2021, 3 p.m. 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 2.8 μg/m3 (12) 40.0
 
Feb. 21, 2021, 2 p.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 2.6 μg/m3 (11) 40.0
 
Feb. 21, 2021, 1 p.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 2.3 μg/m3 (10) 39.0
 
Feb. 21, 2021, noon 3.3 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 38.0
 
Feb. 21, 2021, 11 a.m. 8.6 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A 3.4 μg/m3 (15) 32.0
 
Feb. 21, 2021, 10 a.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 37.0
 
Feb. 21, 2021, 9 a.m. 12.8 ppb (13) 1.1 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 7.3 μg/m3 (31) 31.0
 
Feb. 21, 2021, 8 a.m. 18.1 ppb (18) 1.2 ppb (2) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Feb. 21, 2021, 7 a.m. 19.8 ppb (19) 1.5 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.2 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Feb. 21, 2021, 6 a.m. 17.0 ppb (17) 1.0 ppb (1) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A 7.7 μg/m3 (33) 33.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.1 μg/m3 (18) 34.0
 
Feb. 21, 2021, 4 a.m. 7.5 ppb (8) 0.1 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 4.8 μg/m3 (20) 33.0
 
Feb. 21, 2021, 3 a.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) N/A 3.8 μg/m3 (16) 37.0
 
Feb. 21, 2021, 2 a.m. 4.8 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.1 ppb (2) N/A 3.6 μg/m3 (16) 38.0
 
Feb. 21, 2021, 1 a.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.1 ppb (2) N/A 3.8 μg/m3 (16) 38.0
 
Feb. 21, 2021, midnight 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.1 ppb (2) N/A 3.4 μg/m3 (15) 38.0
 
Feb. 20, 2021, 11 p.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.1 ppb (2) N/A 3.5 μg/m3 (15) 38.0
 
Feb. 20, 2021, 10 p.m. 4.2 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 3.3 μg/m3 (14) 39.0
 
Feb. 20, 2021, 9 p.m. 4.3 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 5.1 μg/m3 (22) 39.0
 
Feb. 20, 2021, 8 p.m. 3.5 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.1 ppb (2) N/A 5.3 μg/m3 (23) 40.0
 
Feb. 20, 2021, 7 p.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 40.0
 
Feb. 20, 2021, 6 p.m. 3.2 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 39.0
 
Feb. 20, 2021, 5 p.m. 3.7 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.2 ppb (3) N/A 6.7 μg/m3 (28) 39.0
 
Feb. 20, 2021, 4 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 39.0
 
Feb. 20, 2021, 3 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) N/A 6.6 μg/m3 (28) 38.0
 
Feb. 20, 2021, 2 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) N/A 6.2 μg/m3 (26) 38.0
 
Feb. 20, 2021, 1 p.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 38.0
 
Feb. 20, 2021, noon 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 7.6 μg/m3 (32) 36.0
 
Feb. 20, 2021, 11 a.m. 3.8 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 9.3 μg/m3 (39) 39.0
 
Feb. 20, 2021, 10 a.m. 3.8 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
Feb. 20, 2021, 9 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 6.6 μg/m3 (28) 35.0
 
Feb. 20, 2021, 8 a.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 5.1 μg/m3 (22) 34.0
 
Feb. 20, 2021, 7 a.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.1 ppb (2) N/A 6.8 μg/m3 (29) 29.0
 
Feb. 20, 2021, 6 a.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A 6.9 μg/m3 (29) 32.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.2 μg/m3 (39) 39.0
 
Feb. 20, 2021, 4 a.m. 6.6 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 8.2 μg/m3 (35) 35.0
 
Feb. 20, 2021, 3 a.m. 3.9 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
Feb. 20, 2021, 2 a.m. 5.2 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 8.5 μg/m3 (36) 36.0
 
Feb. 20, 2021, 1 a.m. 4.9 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 6.6 μg/m3 (28) 35.0
 
Feb. 20, 2021, midnight 5.5 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 7.2 μg/m3 (31) 35.0
 
Feb. 19, 2021, 11 p.m. 7.9 ppb (8) 1.5 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 5.3 μg/m3 (23) 34.0
 
Feb. 19, 2021, 10 p.m. 11.7 ppb (12) 2.4 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) N/A 3.3 μg/m3 (14) 33.0
 
Feb. 19, 2021, 9 p.m. 10.3 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) N/A 3.2 μg/m3 (14) 35.0
 
Feb. 19, 2021, 8 p.m. 11.6 ppb (11) 3.4 ppb (4) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) N/A 3.3 μg/m3 (14) 35.0
 
Feb. 19, 2021, 7 p.m. 8.6 ppb (9) 2.6 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) N/A 3.3 μg/m3 (14) 37.0
 
Feb. 19, 2021, 6 p.m. 7.3 ppb (7) 2.5 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) N/A 3.3 μg/m3 (14) 38.0
 
Feb. 19, 2021, 5 p.m. 7.2 ppb (7) 2.8 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.1 ppb (2) N/A 3.3 μg/m3 (14) 38.0
 
Feb. 19, 2021, 4 p.m. 16.1 ppb (16) 7.2 ppb (7) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) N/A 4.5 μg/m3 (19) 35.0
 
Feb. 19, 2021, 3 p.m. 10.2 ppb (10) 4.5 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) N/A 4.5 μg/m3 (19) 35.0
 
Feb. 19, 2021, 2 p.m. 10.1 ppb (10) 3.7 ppb (4) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 35.0 ppb (33) 0.4 ppb (5) N/A 5.1 μg/m3 (22) 33.0
 
Feb. 19, 2021, 1 p.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) N/A 5.1 μg/m3 (22) 31.0
 
Feb. 19, 2021, noon 20.5 ppb (20) 4.3 ppb (5) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 22.0 ppb (21) 0.4 ppb (5) N/A 9.4 μg/m3 (40) 40.0
 
Feb. 19, 2021, 11 a.m. 20.4 ppb (20) 3.1 ppb (3) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) N/A 10.2 μg/m3 (43) 43.0
 
Feb. 19, 2021, 10 a.m. 18.6 ppb (18) 1.5 ppb (2) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (15) 0.2 ppb (3) N/A 10.2 μg/m3 (43) 43.0
 
Feb. 19, 2021, 9 a.m. 15.3 ppb (15) 1.5 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
Feb. 19, 2021, 8 a.m. 12.4 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A 9.2 μg/m3 (39) 39.0
 
Feb. 19, 2021, 7 a.m. 11.2 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A 0.2 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
Feb. 19, 2021, 6 a.m. 8.1 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A 9.7 μg/m3 (41) 41.0
 
Feb. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 9.8 μg/m3 (41) 41.0
 
Feb. 19, 2021, 4 a.m. 9.8 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
Feb. 19, 2021, 3 a.m. 11.1 ppb (11) 0.5 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 19, 2021, 2 a.m. 5.8 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 7.3 μg/m3 (31) 32.0
 
Feb. 19, 2021, 1 a.m. 7.2 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 7.3 μg/m3 (31) 32.0
 
Feb. 19, 2021, midnight 9.0 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Feb. 18, 2021, 11 p.m. 9.5 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 32.0
 
Feb. 18, 2021, 10 p.m. 6.4 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) N/A 6.3 μg/m3 (27) 35.0
 
Feb. 18, 2021, 9 p.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 35.0
 
Feb. 18, 2021, 8 p.m. 8.0 ppb (8) 2.4 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) 0.2 ppb (3) N/A 4.9 μg/m3 (21) 36.0
 
Feb. 18, 2021, 7 p.m. 7.2 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 4.7 μg/m3 (20) 36.0
 
Feb. 18, 2021, 6 p.m. 5.6 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 5.4 μg/m3 (23) 36.0
 
Feb. 18, 2021, 5 p.m. 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 34.0
 
Feb. 18, 2021, 4 p.m. 9.1 ppb (9) 2.3 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 5.9 μg/m3 (25) 32.0
 
Feb. 18, 2021, 3 p.m. 11.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (29) 0.3 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
Feb. 18, 2021, 2 p.m. 18.2 ppb (18) 6.5 ppb (7) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 25.0 ppb (24) 0.5 ppb (6) N/A 10.8 μg/m3 (46) 46.0
 
Feb. 18, 2021, 1 p.m. 27.9 ppb (27) 10.2 ppb (10) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (15) 0.3 ppb (4) N/A 15.6 μg/m3 (59) 59.0
 
Feb. 18, 2021, noon 36.8 ppb (35) 12.0 ppb (12) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 6.0 ppb (6) 0.4 ppb (5) N/A 18.7 μg/m3 (65) 65.0
 
Feb. 18, 2021, 11 a.m. 39.3 ppb (38) 11.0 ppb (11) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 3.0 ppb (3) 0.3 ppb (4) N/A 19.5 μg/m3 (67) 67.0
 
Feb. 18, 2021, 10 a.m. 37.5 ppb (36) 9.2 ppb (9) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
Feb. 18, 2021, 9 a.m. 25.4 ppb (24) 4.8 ppb (5) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 17.0 μg/m3 (62) 62.0